Technical Information
D Series and XD Series
Fixed Displacement Gear Pumps
www.danfoss.com
Technical Information
D Series and XD Series Gear Pumps
Revision history |
Table of revisions |
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Date |
Changed |
Rev |
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April 2020 |
Corrected XD Model Code Information |
0202 |
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December 2019 |
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0201 |
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October 2019 |
First edition |
0101 |
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2 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information |
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D Series and XD Series Gear Pumps |
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Contents |
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General Information |
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Overview.............................................................................................................................................................................................. |
6 |
Features and benefits..................................................................................................................................................................... |
6 |
Quick chart overview...................................................................................................................................................................... |
6 |
Typical applications......................................................................................................................................................................... |
7 |
Design................................................................................................................................................................................................... |
7 |
System schematic............................................................................................................................................................................. |
8 |
Product features................................................................................................................................................................................ |
9 |
Technical Specifications |
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Technical specifications............................................................................................................................................................... |
10 |
Fluid specifications........................................................................................................................................................................ |
10 |
Inlet pressure................................................................................................................................................................................... |
10 |
Operating Parameters |
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Sizing equations............................................................................................................................................................................. |
11 |
Pressure............................................................................................................................................................................................. |
11 |
Temperature and viscosity......................................................................................................................................................... |
12 |
Speed.................................................................................................................................................................................................. |
12 |
Hydraulic fluid................................................................................................................................................................................. |
13 |
Filtration............................................................................................................................................................................................ |
13 |
Filters............................................................................................................................................................................................. |
13 |
Selecting a filter......................................................................................................................................................................... |
13 |
Reservoir...................................................................................................................................................................................... |
13 |
Line sizing......................................................................................................................................................................................... |
14 |
Pump life........................................................................................................................................................................................... |
14 |
Pump shaft connection................................................................................................................................................................ |
14 |
Radial and axial loading............................................................................................................................................................... |
15 |
D Series Model Code |
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Single pump order code.............................................................................................................................................................. |
16 |
DE1: D series cast iron gear pump, single section........................................................................................................ |
16 |
A Rotation - viewed from drive shaft........................................................................................................................... |
16 |
B1 Displacement.................................................................................................................................................................. |
16 |
B2 Input shaft........................................................................................................................................................................ |
17 |
C Mounting flange.............................................................................................................................................................. |
17 |
D Rear cover: Port options, integrated valves, and auxillary flange................................................................. |
18 |
E Flow control valve setting............................................................................................................................................ |
19 |
F Pressure control valve setting..................................................................................................................................... |
20 |
H Assembly Screws - depending on rear cover........................................................................................................ |
21 |
J Nameplates......................................................................................................................................................................... |
23 |
K Special feature.................................................................................................................................................................. |
23 |
Two section (tandem) pump order code.............................................................................................................................. |
23 |
A Rotation - viewed from drive shaft................................................................................................................................. |
23 |
B1 Displacement....................................................................................................................................................................... |
24 |
B2 Input shaft............................................................................................................................................................................. |
24 |
C Mounting flange................................................................................................................................................................... |
25 |
R Ports - First section............................................................................................................................................................... |
25 |
S Displacement - Second section........................................................................................................................................ |
26 |
D Rear cover: Port options, integrated valves and auxillary flange........................................................................ |
26 |
E Flow control valve................................................................................................................................................................. |
28 |
F Pressure control valve.......................................................................................................................................................... |
29 |
H Assembly screws................................................................................................................................................................... |
30 |
J Nameplate................................................................................................................................................................................ |
33 |
K Special features...................................................................................................................................................................... |
33 |
Three section (triple) pump order code................................................................................................................................. |
33 |
A Rotation - viewed from drive shaft................................................................................................................................. |
34 |
B1 Displacement - First section........................................................................................................................................... |
34 |
B2 Input shaft............................................................................................................................................................................. |
34 |
C Mounting flange................................................................................................................................................................... |
35 |
L Ports - First section................................................................................................................................................................ |
35 |
© Danfoss | April 2020 |
BC319684134607en-000202 | 3 |
Technical Information |
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D Series and XD Series Gear Pumps |
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Contents |
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M Displacement - Second section...................................................................................................................................... |
36 |
R Ports - Second section......................................................................................................................................................... |
37 |
S Displacement - Third section............................................................................................................................................ |
37 |
D Rear cover: Port options, integrated valves and auxiliary...................................................................................... |
38 |
E Flow control valve................................................................................................................................................................. |
40 |
F Pressure control valve.......................................................................................................................................................... |
40 |
H Assembly screws................................................................................................................................................................... |
41 |
J Nameplate................................................................................................................................................................................ |
41 |
K Special feature........................................................................................................................................................................ |
42 |
Four section (quad) pump order code................................................................................................................................... |
42 |
A Rotation - viewed from drive shaft................................................................................................................................. |
42 |
B1 Displacement - First section........................................................................................................................................... |
43 |
B2 Input shaft............................................................................................................................................................................. |
43 |
C Mounting flange................................................................................................................................................................... |
44 |
L Ports - First section................................................................................................................................................................ |
44 |
M Displacement - Second section...................................................................................................................................... |
45 |
N Ports - Second section........................................................................................................................................................ |
45 |
P Displacement - Third section............................................................................................................................................ |
46 |
R Ports - Third Section............................................................................................................................................................. |
47 |
S Displacement - Fourth section......................................................................................................................................... |
47 |
D Rear cover: Port options, integrated valves and auxiliary flange........................................................................ |
48 |
E Flow control valve................................................................................................................................................................. |
50 |
F Pressure control valve.......................................................................................................................................................... |
51 |
H Assembly screws................................................................................................................................................................... |
51 |
J Nameplate................................................................................................................................................................................ |
52 |
K Special feature........................................................................................................................................................................ |
52 |
D Series Options |
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Shaft options.................................................................................................................................................................................... |
53 |
Mounting flanges........................................................................................................................................................................... |
54 |
Multiple pump port options...................................................................................................................................................... |
56 |
Rear cover - port options............................................................................................................................................................. |
58 |
Integrated Priority Flow Divider.......................................................................................................................................... |
62 |
Integrated Priority Flow Divider.......................................................................................................................................... |
64 |
Integrated Steering Cover..................................................................................................................................................... |
64 |
Integrated Steering Cover..................................................................................................................................................... |
65 |
Load Sense Priority Flow Valve............................................................................................................................................ |
66 |
Pumps with Load Sense Priority Flow Valves................................................................................................................. |
67 |
D Series Dimension Drawings |
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One Section - Single...................................................................................................................................................................... |
69 |
Two section - Tandem.................................................................................................................................................................. |
70 |
Three Section - Triple.................................................................................................................................................................... |
71 |
Four Section - Quad...................................................................................................................................................................... |
72 |
D Series Performance Data |
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Flow performance.......................................................................................................................................................................... |
73 |
XD Model Code Information |
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A Rotation - viewed from drive shaft...................................................................................................................................... |
78 |
B1 Displacement - front section............................................................................................................................................... |
78 |
B2 Input shaft.................................................................................................................................................................................. |
78 |
C Mounting flange......................................................................................................................................................................... |
79 |
R Ports - first section...................................................................................................................................................................... |
79 |
S Displacement - rear section.................................................................................................................................................... |
79 |
D Rear cover..................................................................................................................................................................................... |
79 |
E Flow control valve...................................................................................................................................................................... |
80 |
F Pressure control valve............................................................................................................................................................... |
80 |
H Assembly screws........................................................................................................................................................................ |
80 |
J Name plate.................................................................................................................................................................................... |
80 |
K Special features........................................................................................................................................................................... |
80 |
4 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information |
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D Series and XD Series Gear Pumps |
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Contents |
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XD Options |
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XD Shaft options............................................................................................................................................................................. |
81 |
XD Mounting flanges.................................................................................................................................................................... |
81 |
XD Dimension Drawings Information |
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Dimensions....................................................................................................................................................................................... |
84 |
© Danfoss | April 2020 |
BC319684134607en-000202 | 5 |
Technical Information
D Series and XD Series Gear Pumps
The D Series fixed displacement gear pump has been specifically designed for demanding mobile equipment applications where maximum performance is required at peak power levels and operating temperatures.
The design integrates cast iron construction with pressure balanced thrust plates to deliver consistent efficiency across the entire operating range of pressure, speed, and temperature; all in an industryleading package size that maximizes power density.
•High strength cast iron construction allows consistently efficient performance and long life in continuous operation at 276 bar [4000 psi] and peak conditions of 303 bar [4400 psi].
•Custom engineered bearings, pressure-balanced load plates, and viton seals optimize internal lubircation allowing for long life with intermittent fluid temperatures up to 115 °C [239 °F] and fluid viscosities as low as 8 mm2/sec (cSt) [36 SUS].
•Compact three-piece design maximizes power density and creates one of the shortest multisection pumps (with up to four pumping sections) in the global marketplace.
•Bearings located in the front flange increase radial/axial load carrying capability and eliminate the need for most bolt-on outrigger bearings.
The D Series pump blends the traditional Group 2 (SAE-A) and Group 3 (SAE-B) frame sizes in a single package with displacements from 7 to 45 cm3 (0.43 to 2.75 in3).
These displacements, in addition to a wide variety of shafts, flanges, ports, and integrated valve options can be used in virtually any combination to offer greater design flexibility and meet specific application requirements.
Gear pumps quick chart overview
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XD SERIES Cast Iron Gear Pump |
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300 |
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4000 |
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250 |
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3000 |
200 |
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<![if ! IE]> <![endif]>Pressure |
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D SERIES Cast Iron Gear Pump |
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2000 |
150 |
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Group 2 Gear Pump |
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Group 3 Gear Pump |
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Group 1 Gear Pump |
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100 |
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1000 |
50 |
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0 |
0 |
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cm3/rev |
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0 |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
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0 |
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1.0 |
3.0 |
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3.0 |
4.0 |
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5.0 |
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6.0 |
in 3/rev |
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Displacement |
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P107 949E |
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6 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
General Information
The D Series gear pump is commonly applied in the following type of applications:
•Wheel loader - Aggressive duty cycles with continuous working pressures above 250 bar [3600 psi]
•Mining equipment - Increased exposure to system contamination in a corrosive environment
•Skid steer loaders - Multiple pump combinations with short length and common inlets
•Work function attachments - Rapid loading of cylinders/motors in high bulk modulus systems causing pressure rise rates greater than 3000 bar/sec
•Agricultural sprayers - Pumps with integrated valves including priority flow dividers and load sense steering
•Pavers - D pumps integrated with other Turolla components including variable displacement piston pumps, aluminum gear pumps and cartridge valves
•Fan drives - High levels of performance with elevated temperatures and minimal oil viscosities and restrictive envelope dimensions
4
5 |
6 |
8
7
3 |
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1 |
2 |
1.High-quality, heat-treated alloy steel integral gears and shaft
2.High-strength ductile iron body and covers
3.Heavy-duty low-friction sleeve bushings
4.Pressure balanced bronze-on-steel thrust plates
5.High temperature Viton seals
6.Optional: flow control with load sensing priority flow or factory preset fixed priority flow divider valve
7.SAE-A/SAE-B 2-bolts mounting flange
8.Optional: Side or rear port options
Cast iron housings, bearings
The three piece structural members of the pump are made of high-strength cast ductile iron. Cast iron provides contamination resistance, thermal stability and the strength needed for consistently high levels of performance and durability needed in demanding off highway applications.
Heavy-duty low friction PTFE-lined sleeve bushings are optimized to provide long life in low viscosity, high pressure conditions. The bearings are located in the front mounting flange, rear cover, and bearing plate (for multiple section pumps) and allow the D pump to be 20% shorter than a typical bearing block
© Danfoss | April 2020 |
BC319684134607en-000202 | 7 |
Technical Information
D Series and XD Series Gear Pumps
General Information
design pump. In addition, the proximity of the front bearing to the mounting flange increases the radial load capacity of the pump, eliminating the need for most bolt-on outrigger requirements.
Pressure balance, sealing
The pump incorporates two steel-backed bronze thrust plates seated in depressions in the mounting flange, rear cover, and bearing plate (for multiple section pumps). Underneath the front plate (known as the deflecting plate) is the load seal.
The E-shaped load seal distributes system pressure underneath the plate and enables the plate to deflect and maintain a tight sealing surface against the side face of the gears.
The tight sealing action allows the pump to maintain very high levels of volumetric efficiency, even when operating in extreme temperature, pressure and speed conditions.
One-piece gear design
All D Series pump gear shafts are of one-piece design. This enables the shaft to provide uniform high strength and accurate gear profile relative to the journals for smooth mesh operation. The integral gear shafts are made of heat treated AISI 8620 steel, manufactured to precise tolerances and surface finishes, for maximal life and minimal leakage. This integral design eliminates the potential problems of fatigue stress and gear face mismatch often associated with two-piece gear shaft designs.
Multiple pump configuration
D Series pumps can be coupled together to produce tandem, triple and even quadruple section units. The interconnecting chambers accommodate fluid flow between sections and allow the number of inlet connections to be minimized. Systems that require operation with different fluids and/or reservoirs can be accommodated with sealed auxiliary covers between sections.
Gear Pump/Gear Motor Fan Drive System with Electronic Control |
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CANBUS J1939 |
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Microcontroller |
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(PLUS+1TM) |
RESERVOIR |
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Filter |
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Temperature |
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sensors |
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T1 |
<![if ! IE]> <![endif]>drain |
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T2 |
<![if ! IE]> <![endif]>case |
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D Series |
D Series |
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gear pump |
gear motor |
T3 |
DIESEL ENGINE |
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P107 929E |
8 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
General Information
Features |
Description |
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Construction |
Heavy duty ductile iron 3-piece construction with pressure balance load plates and |
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viton seals |
Displacements |
7 to 45 cm³ [0.43 to 2.75 in3/rev] |
Continuous Pressure |
276 bar [4000 psi] up to 32 cm³ [1.94 in3/rev] |
Peak Pressure |
303 bar [4400 psi] up to 32 cm³ [1.94 in3/rev] |
Speed |
600 to 3400 min-1 (rpm) - up to 25cm³ [1.55 in3/rev] |
Mounting |
SAE A two bolt, SAE B two bolt, Perkins engine mount |
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Shaft (types) |
Straight keyed, 1:8 tapered keyed, 9T, 11T, 13T and 15T splined |
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Ports |
SAE O-ring boss, SAE split flange, beaded tube inlet (axial and radial) |
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Fluid viscosity* |
8 mm²/sec (cSt) [36 SUS] minimum, 1600 mm²/sec (cSt) [7500 SUS] maximum |
Filtration requirement |
22/18/13 ISO 4406 at motor inlet |
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Fluids |
Petroleum/mineral based |
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Operating |
-40°C [-40°F] minimum for cold start |
temperature* |
110°C [230°F] normal operating conditions 115°C [239°F] peak intermittent |
Configurations |
Single, tandem, triple, and quadruple multisection pumps available with common inlets. |
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Integrated auxiliary cover for through drive applications. |
Integrated valve |
Priority flow divider with priority relief Priority steering with steering relief |
options |
Load sense priority flow divider |
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* Temperature and viscosity requirements must be satisfied concurrently.
© Danfoss | April 2020 |
BC319684134607en-000202 | 9 |
Technical Information
D Series and XD Series Gear Pumps
Ratings |
Units |
07 |
10 |
11 |
13 |
14 |
17 |
19 |
21 |
23 |
25 |
29 |
32 |
36 |
38 |
41 |
45 |
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Displacement |
cm3/rev |
7.0 |
9.5 |
10.8 |
12.6 |
14.3 |
17.0 |
19.0 |
20.5 |
22.5 |
25.4 |
29.0 |
31.8 |
36.1 |
38.0 |
41.0 |
45.1 |
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in3/rev |
0.43 |
0.58 |
0.66 |
0.77 |
0.87 |
1.04 |
1.16 |
1.25 |
1.37 |
1.55 |
1.77 |
1.94 |
2.20 |
2.32 |
2.50 |
2.75 |
Rated pressure |
bar |
276 |
276 |
276 |
276 |
276 |
276 |
276 |
276 |
276 |
276 |
276 |
276 |
241 |
228 |
207 |
190 |
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psi |
4000 |
4000 |
4000 |
4000 |
4000 |
4000 |
4000 |
4000 |
4000 |
4000 |
4000 |
4000 |
3500 |
3300 |
3000 |
2750 |
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Peak pressure |
bar |
303 |
303 |
303 |
303 |
303 |
303 |
303 |
303 |
303 |
303 |
303 |
303 |
265 |
250 |
228 |
209 |
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psi |
4400 |
4400 |
4400 |
4400 |
4400 |
4400 |
4400 |
4400 |
4400 |
4400 |
4400 |
4400 |
3850 |
3630 |
3300 |
3025 |
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Speed min-1 |
maximum |
3400 |
3400 |
3400 |
3400 |
3400 |
3400 |
3400 |
3400 |
3400 |
3400 |
3200 |
3000 |
2750 |
2750 |
2500 |
2500 |
(rpm) |
minimum* |
1200 |
900 |
900 |
700 |
700 |
600 |
600 |
600 |
600 |
600 |
600 |
600 |
600 |
600 |
600 |
600 |
Theoretical flow at max |
l/min |
24.0 |
32.3 |
36.7 |
42.9 |
48.5 |
57.9 |
64.6 |
69.6 |
76.3 |
86.4 |
92.8 |
95.4 |
99.0 |
104.5 |
102.4 |
112.7 |
speed |
US gal/min |
6.3 |
8.5 |
9.7 |
11.3 |
12.8 |
15.3 |
17.1 |
18.4 |
20.2 |
22.8 |
24.5 |
25.2 |
26.2 |
27.6 |
27.1 |
29.8 |
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Weight |
kg |
7.2 |
7.3 |
7.4 |
7.5 |
7.6 |
7.8 |
7.9 |
7.9 |
8.1 |
8.3 |
8.4 |
8.6 |
8.8 |
9.0 |
9.1 |
9.4 |
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lb |
15.8 |
16.1 |
16.3 |
16.5 |
16.7 |
17.1 |
17.4 |
17.5 |
17.8 |
18.2 |
18.6 |
19.0 |
19.6 |
19.8 |
20.2 |
20.7 |
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Mass moment of inertia |
x10-6 kg•m² |
60 |
71 |
77 |
85 |
92 |
104 |
105 |
119 |
128 |
141 |
157 |
170 |
188 |
197 |
218 |
228 |
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x10-6 slug•ft² |
44 |
53 |
57 |
63 |
68 |
77 |
77 |
88 |
95 |
104 |
116 |
125 |
139 |
145 |
155 |
168 |
* minimum speed at maximum pressure
Parameter |
Unit |
Minimum |
Continuous |
Maximum |
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Viscosity* |
mm2/sec (cSt)[SUS] |
8 |
10 - 100 |
1600 |
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[52] |
[59-456] |
[7500] |
Temperature* |
°C [°F] |
-40 [-40] |
110 [230] |
115 [239] |
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Cleanliness |
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ISO 4406 Class 22/18/13 or better |
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Filtration efficiency, charge filtration |
b15-20 =75 (b10³10) |
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* Temperature and viscosity requirements must be satisfied concurrently
Ratings are based on operation with premium petroleum-based hydraulic fluids containing oxidation, rust, and foam inhibitors.
Maximum continuous vacuum |
bar atmospheric [inches mercury vacuum] |
0.8 |
[5.9] |
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Maximum intermittent vacuum |
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0.6 |
[11.8] |
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Maximum charged inlet pressure |
bar atmospheric [psi] |
3.0 |
[44] |
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10 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
Use these formulas to determine the nominal pump size for a specific application.
Definitions of the D Series operating parameters appear below. Consult Danfoss technical support for applications running outside of these parameters.
Peak pressure
Peak pressure is the highest intermittent pressure allowed. The relief valve overshoot (reaction time) determines peak pressure. It is assumed to occur for less than 100 ms. The illustration to the right shows peak pressure in relation to rated pressure and reaction time (100 ms maximum).
Peak pressure |
Rated pressure |
<![if ! IE]> <![endif]>Pressure |
Reaction time (100 ms max) |
Time |
Rated pressure
Rated pressure is the average, regularly occurring operating outlet pressure that should yield satisfactory product life. The maximum machine load demand determines rated pressure. For all systems, the load should move below this pressure.
© Danfoss | April 2020 |
BC319684134607en-000202 | 11 |
Technical Information
D Series and XD Series Gear Pumps
Operating Parameters
System pressure
System pressure is the differential between the inlet and outlet ports. It is a dominant operating variable affecting hydraulic unit life. High system pressure reduces expected pump life. System pressure must remain at, or below, rated pressure during normal operation to achieve expected life.
Inlet vacuum
Inlet vacuum must be controlled in order to realize expected performance and pump life. System design must meet inlet vacuum requirements during all modes of operation. Expect lower inlet vacuums during cold start situations. Low vacuum condition should improve quickly as fluid warms.
Pressure rise rate
The maximum pressure rise rate is the rate of increase in system pressure as measured at the outlet port of the pump. High pressure rise rates are commonly seen on work function applications during motor start-up, completion of cylinder stroke, and during rapid shifting of control valves. The maximum pressure rise rate of the D pump is 11,720 bar/sec [170,000 psi/sec]. During rapid rise rate situations, the system pressure must not exceed the rated pressure of the pump.
Temperature
High temperature limits apply at the inlet port of the pump. The pump should run at or below the maximum continuous temperature.
Minimum (cold start) temperature relates to the physical properties of component materials.
Cold oil, generally, doesn’t affect the durability of pump components. It may affect the ability of oil to flow and transmit power. For this reason, keep the temperature at 16°C [29 °F] above the pour point of the hydraulic fluid.
Continuous temperature is the temperature at or below the temperature which normal pump life can be expected.
Maximum temperature is the highest temperature that is tolerable by the machine for a transient/ limited time (duty cycle 1% or less). At maximum temperature, oil viscosity must not go lower than minimum recommended viscosity.
Viscosity
Continuous viscosity: Recommended viscosity range for maximum efficiency and pump life.
Minimum viscosity occurs only during brief occasions of maximum fluid temperature and severe duty cycle operation. It’s the minimum acceptable viscosity to guarantee the pump life. (Duty
cycle 1% or less)
Maximum viscosity occurs only during cold start at very low temperatures. It is the upper limit of viscosity that allows the pump to start. During this condition, limit speeds until the system warms up.
Temperature and viscosity requirements must be concurrently satisfied.
Maximum speed is the limit recommended for operation at rated pressure. It is the highest speed at which normal life can be expected.
The lower limit of operating speed is the minimum speed.
12 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
Operating Parameters
Ratings and data for gear pumps are based on operation with premium hydraulic fluids containing oxidation, rust, and foam inhibitors. These fluids must possess good thermal and hydrolytic stability to prevent wear, erosion, and corrosion of internal components.
Use only clean fluid in the pump and hydraulic circuit.
C Caution
Never mix hydraulic fluids.
Use a filter that conforms to Class 22/18/13 of ISO 4406 (or better). It may be on the pump outlet (pressure filtration), inlet (suction filtration), or reservoir return (return-line filtration).
When selecting a filter, please consider:
•contaminant ingression rate (determined by factors such as the number of actuators used in the system)
•generation of contaminants in the system
•required fluid cleanliness
•desired maintenance interval
•filtration requirements of other system components
Measure filter efficiency with a Beta ratio (βX). For:
•suction filtration, with controlled reservoir ingression, use a β35-45 = 75 filter
•return or pressure filtration, use a pressure filtration with an efficiency of β10 = 75
βx ratio is a measure of filter efficiency defined by ISO 4572. It is the ratio of the number of particles greater than a given diameter ( “X“ in microns) upstream of the filter to the number of these particles downstream of the filter.
Fluid cleanliness level and βx ratio
Fluid cleanliness level (per ISO 4406) |
Class 22/18/13 or better |
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βx ratio (suction filtration) |
β35-45 = 75 and β10 = 2 |
βx ratio (pressure or return filtration) |
β10 = 75 |
Recommended inlet screen size |
100-125 µm [0.004-0.005 in] |
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The filtration requirements for each system are unique. Evaluate filtration system capacity by monitoring and testing prototypes.
The reservoir provides clean fluid, dissipates heat, removes entrained air, and allows fluid volume changes associated with fluid expansion and cylinder differential volumes. A correctly sized reservoir accommodates maximum volume changes during all system operating modes. It promotes deaeration of the fluid as it passes through, and accommodates a fluid dwell-time between 60 and 180 seconds, allowing entrained air to escape.
Minimum reservoir capacity depends on the volume required to cool and hold the oil from all retracted cylinders, allowing for expansion due to temperature changes. A fluid volume of 1 to 3 times the pump output flow (per minute) is satisfactory. The minimum reservoir capacity is 125% of the fluid volume.
Install the suction line above the bottom of the reservoir to take advantage of gravity separation and prevent large foreign particles from entering the line. Cover the line with a 100-125 micron screen. The
© Danfoss | April 2020 |
BC319684134607en-000202 | 13 |
Technical Information
D Series and XD Series Gear Pumps
Operating Parameters
pump should be below the lowest expected fluid level. Put the return-line below the lowest expected fluid level to allow discharge into the reservoir for maximum dwell and efficient deaeration. A baffle (or baffles) between the return and suction lines promotes deaeration and reduces fluid surges.
Choose line sizes that accommodate maximum fluid velocity to reduce system noise, pressure drops, and overheating in order to maximize system life and performance. Line velocities shown in the following table provide a general rule of thumb. Final selection of line sizing and fittings must comply with all pressure ratings.
Inlet |
m/sec [ft/sec] |
2.4-4.3 [8-14] |
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Outlet |
6-9 [20-30] |
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Most systems use hydraulic oil containing 10% dissolved air by volume. Over-areation, or entrained air is the result of flow line restrictions, where the dissolved air comes out of solution, or when air is allowed to leak into the hydraulic circuit. These include inadequate pipe sizes, sharp bends, or elbow fittings, causing reduction of flow-line cross-sectional area. This problem will not occur if these circuit recommendations are followed, rated speed requirements are maintained, and reservoir size and location are adequate.
Pump life is a function of speed, system pressure, and other system parameters (such as fluid quality and cleanliness).
All Danfoss gear pumps use hydrodynamic journal bearings with an oil film between the gear/shaft and bearing surfaces. If the oil film is sufficiently sustained through proper system maintenance and operating within recommended limits, long life can be expected.
ß10 life expectancy number is generally associated with rolling element bearings. It does not exist for hydrodynamic bearings.
When submitting an application for review, provide machine duty cycle data including percentage of time at various loads and speeds. We strongly recommend a prototype testing program to verify operating parameters and their impact on life expectancy before finalizing any system design.
Shaft options for gear pumps include tapered, splined, or parallel shafts.
Plug-in drives, with a splined shaft, can impose severe radial loads when the mating spline is rigidly supported. Increasing spline clearance does not alleviate this condition.
Pump shaft connection
Pilot cavity
Mating spline
Ø 0.1 [0.004]
14 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
Operating Parameters
Lubricate all shaft couplings. Failure to do so will result in premature shaft failure.
Use plug-in drives if the concentricity between the mating spline and pilot diameter is within 0.1 mm [0.004 in]. Lubricate the drive by flooding it with oil. A 3-piece coupling minimizes radial or thrust shaft loads.
C Caution
To avoid spline shaft damages it is recommended to use carburized and hardened steel couplings with 80-82 HRA surface hardness.
Allowable radial shaft loads are a function of the load position, load orientation, and operating pressure. All external shaft loads have an effect on bearing life, and may affect pump performance.
In applications where external shaft loads cannot be avoided, minimize the impact on the pump by optimizing the orientation and magnitude of the load. Use tapered input shafts for applications with radial shaft loads. The table below shows the preferred orientation for radial loads assuming maximum pressure. For assistance concerning shaft loading, contact your Danfoss representative.
Maximum radial and axial loads
Ratings |
Units |
7 |
10 |
11 |
13 |
14 |
17 |
19 |
21 |
23 |
25 |
29 |
32 |
36 |
38 |
41 |
45 |
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Maximum |
lbf |
1430 |
1430 |
1430 |
1430 |
1430 |
1430 |
1360 |
1300 |
1210 |
1070 |
870 |
700 |
420 |
270 |
450 |
620 |
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radial |
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N |
6361 |
6361 |
6361 |
6361 |
6361 |
6361 |
5943 |
5783 |
5382 |
4760 |
3870 |
3114 |
1868 |
1201 |
2002 |
2758 |
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Push/Pull |
lbf |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
350 |
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axial load |
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N |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
1557 |
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Shaft loading |
Recommended loading position |
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12:00 |
25.4 mm |
[1 inch] |
• All values measured 25.4 mm [1 inch] from the mounting flange
CW Rotation |
CCW Rotation • For other orientations and distances, |
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higher radial loads at lower pressures |
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contact your S-D representative |
6:00
P107 928E
© Danfoss | April 2020 |
BC319684134607en-000202 | 15 |
Technical Information
D Series and XD Series Gear Pumps
Example
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B1 |
B2 |
C |
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1 |
R |
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S |
H |
A |
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0 |
9 |
A |
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5 |
X |
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7 |
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Description |
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DE1R |
A |
D Series pump, single section, right hand rotation |
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21 |
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B1 |
21 cm³ displacement |
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SH |
B2 |
13 tooth spline input shaft |
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AC |
C |
SAE A two bolt mounting flange |
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F09A |
D |
Integrated priority flow divider with cartridge style priority relief, 1 5/16-12 side inlet, |
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3/14-16 side priority, 7/8-14 side secondary |
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15X |
E |
15.1 l/min[4 US gal/min] priority flow setting |
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172 |
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F |
172 bar [2495 psi] priority relief setting |
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CZ |
H |
Assembly screws |
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AN |
J |
Standard Nameplate |
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NNN |
K |
No special features, black paint |
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A |
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B1 |
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L |
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Lefthand (counterclockwise) |
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R |
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Right hand (clockwise) |
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07 |
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7.0 cm³/rev [0.43 in3/rev] |
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109.5 cm³/rev [0.58 in3/rev]
1110.8cm³/rev [0.66 in3/rev]
1312.6cm³/rev [0.77 in3/rev]
1414.3cm³/rev [0.87 in3/rev]
17 |
17.0cm³/rev [1.04 in3/rev] |
19 |
19.0cm³/rev [1.16 in3/rev] |
21 |
20.5cm³/rev [1.25 in3/rev] |
23 |
22.5 cm³/rev [1.37 in3/rev] |
25 |
25.4 cm³/rev [1.55 in3/rev] |
16 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
Code |
Description |
|
|
29 |
29.0 cm³/rev [1.77 in3/rev] |
32 |
31.8 cm³/rev [1.94 in3/rev] |
36 |
36.1 cm³/rev [2.20 in3/rev] |
38 |
38.0 cm³/rev [2.32 in3/rev] |
41 |
41.0 cm³/rev [2.50 in3/rev] |
45 |
45.1 cm³/rev [2.75 in3/rev] |
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A |
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B1 |
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B2 |
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C |
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D |
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D |
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1 |
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Code |
Description |
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SE* |
SAE 9 tooth spline, 31.8 mm [1.25 in] length |
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SC |
SAE 11 tooth spline, 38.1 mm [1.5 in] length |
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SF |
11 tooth spline, 31.8 mm [1.25 in] length (special modified length) |
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SH |
SAE 13 tooth spline, 41 mm [1.62 in] length |
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SV |
15 tooth spline, 46 mm [1.81 in] length (use with mounting flange AR or BR) |
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PB |
22 mm [7/8 in] diameter, 41 mm [1.62 in] length, with 1/4 key |
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PD |
19 mm [3/4 in] diameter, 51 mm [2 in] length, with 3/16 key |
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PZ |
25.4 mm [1 in] diameter, 46 mm [1.81 in] length with 1/4 key |
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TA |
1:5taper, 25mm [1 in] dia, 58mm [2.30 in] length, 5/8 thread, M5 key with locknut and washer |
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TG |
1:8taper, 22mm [7/8 in] dia, 50mm [1.95 in] length, 5/8 thread with key, locknut and washer |
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TH |
1:8taper, 22mm [7/8 in] dia, 49mm [1.94 in] length, 9/16 thread with key, locknut and washer |
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TX |
1:4 taper, 22mm [7/8 in] dia, 50mm [1.98 in] length, 5/16 internal thread with key |
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WT |
Input shaft similar to TH option with 34 tooth helical gear for Perkins engine mount |
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AB |
22mm[7/8 in] diameter, 41mm [1.62] length with 1/4 key with 9T spline through drive |
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AC |
SAE 11 tooth spline, 38.1 mm [1.5 in] length with 9T spline through drive |
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AH |
SAE 13 tooth spline, 41 mm [1.62 in] length with 9T spline through drive |
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* Contact factory for units with SE (9T spline) to verify torque limits
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A |
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B1 |
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B2 |
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C |
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D |
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D |
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Code |
Description |
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AA |
SAE A 2-bolt |
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AC |
SAE A 2-bolt, use with integral PFD/Steering Cover |
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AL |
SAE A 2-bolt, two shaft seals with weep hole |
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AM |
SAE A 2-bolt, with T seal |
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AP |
SAE A 2-bolt, with T seal, use with integral PFD/Steering cover |
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AR |
SAE A 2-bolt, use with 15 T spline input drive |
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© Danfoss | April 2020 |
BC319684134607en-000202 | 17 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
Code |
Description |
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AS |
SAE A 2-bolt, use with integral PFD/Steering cover and 15 T input spline |
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AT |
SAE A 2-bolt, two shaft seals with weep hole, use with integral PFD/Steering cover |
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BB |
SAE B 2-bolt |
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BC |
SAE B 2-bolt, use with integral PFD/Steering cover |
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BM |
SAE B 2-bolt, with T seal |
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BP |
SAE B 2-bolt, with T seal, use with integral PFD/Steering cover |
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BR |
SAE B 2-bolt, use with 15 T spline input drive |
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BS |
SAE B 2-bolt, use with integral PFD/Steering cover and 15 T input spline |
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BT |
SAE B 2-bolt, two shaft seals with weep hole, use with integral PFD/Steering Cover |
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BW |
SAE B 2-bolt, two shaft seals with weep hole |
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PP |
Perkins 6 bolt flange with (2) seals (use with WT input shaft and clockwise rotation) |
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A |
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B1 |
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B2 |
C |
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D |
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E |
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F |
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H |
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J |
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K |
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D |
E |
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1 |
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● |
● |
● |
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Code |
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Inlet |
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Outlet |
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Description |
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N101 |
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1 |
1/16-12 side inlet |
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7/8-14 side outlet |
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SAE O-ring boss ports No |
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integrated valves No auxiliary |
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N103 |
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1 |
5/16-12 side inlet |
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7/8-14 side outlet |
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flange |
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N104 |
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1 |
5/16-12 side inlet |
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1 1/16-12 side outlet |
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N125 |
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1 |
5/8-12 side inlet |
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1 1/16-12 side outlet |
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N501 |
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1 |
1/16-12 rear inlet |
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7/8-14 rear outlet |
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N503 |
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1 |
5/16-12 rear inlet |
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7/8-14 rear outlet |
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N504 |
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1 |
5/16-12 rear inlet |
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1 1/16-12 rear outlet |
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N252 |
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M33x2-6H rear inlet |
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M22x1.5-6H side outlet |
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SAE Metric Ports – No Integrated |
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Valves |
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N402 |
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3/4-14 side inlet |
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1/2-14 side outlet |
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British Standard Pipe Parallel |
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(BSPP) threads - No integrated |
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N403 |
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1-11 side inlet |
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1/2-14 side outlet |
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valves |
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N404 |
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1 |
1/4-11 side inlet |
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1/2-14 side outlet |
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N407 |
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1-11 side inlet |
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3/4-14 side outlet |
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N408 |
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1 |
1/4-11 side inlet |
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3/4-14 side outlet |
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N342 |
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1 |
1/4 side split flange inlet |
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3/4side split flange outlet (SAE |
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SAEsplit flange ports No |
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code 61) |
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integrated valves Noauxiliary |
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flange |
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N704 |
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1 |
1/4 side tube inlet |
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7/8-14 side ORB outlet |
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Beaded tube inlet port, SAE O- |
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ring boss outlet port No |
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N708 |
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1 |
1/4 side tube inlet |
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1 1/16-12 side ORB outlet |
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integrated valves |
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N715 |
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1 |
1/4 REAR tube inlet |
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1 1/16-12 REAR ORB outlet |
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No auxiliary flange |
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N716 |
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1 |
1/2 side tube inlet |
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1 1/16-12 side ORB outlet |
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N720 |
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1 |
1/4 REAR tube inlet |
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7/8-14 REAR ORB outlet |
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B103* |
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1 |
5/16-12 side inlet |
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7/8-14 side outlet |
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SAE-A2-Bolt Auxiliary Flange |
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SAEO-ring boss ports |
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B104* |
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1 |
5/16-12 side inlet |
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1 1/16-12 side outlet |
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No integrated valves |
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18 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
Code |
Inlet |
Outlet |
Description |
||
|
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|
R104 |
1 |
5/16-12 side inlet |
1 1/16-12 side outlet |
Integrated Relief Valve Internally |
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Drained |
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Maximum Displacement 23cc |
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F09A** |
15/16-12 side inlet, 3/4-16 side priority, 7/8-14side secondary (SAE A |
Integrated Priority Flow Divider, |
|||
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flange) |
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cartridge style relief |
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F09B‡ |
1 |
5/8-12 rear inlet, 3/4-16 rear priority, 7/8-14 rear secondary (SAE A |
for settings up to: 221barand |
||
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flange) |
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34.3 l/min |
||
F13A** |
1 |
5/8-12 rear inlet, 3/4-16 rear priority, 7/8-14 rear secondary (SAE A |
[3200 psi and 9 US gal/min] |
||
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flange) |
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F13B‡ |
1 |
5/8-12 rear inlet, 3/4-16 rear priority, 7/8-14 rear secondary (SAE B |
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flange) |
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F21A** |
15/8-12 side inlet, 3/4-16 side priority, 7/8-14 side secondary (SAE A |
|
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flange) |
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F21B‡ |
15/8-12 side inlet, 3/4-16 side priority, 7/8-14 side secondary (SAE B |
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flange) |
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F25A** |
1 |
5/16-12 rear inlet, 3/4-16 rear priority, 7/8-14 rear secondary (SAE A |
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flange) |
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F25B‡ |
1 |
5/16-12 rear inlet, 3/4-16 rear priority, 7/8-14 rear secondary (SAE B |
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flange) |
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D23A* |
15/16-12 side inlet, 3/4-16 side priority, nosecondary port (SAE A |
Integrated Steering Cover, |
|||
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flange) |
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Priority Relief Valve |
||
D23B** |
15/16-12 side inlet, 3/4-16 side priority, nosecondary port (SAE B |
(Cartridge Style) for settings up |
|||
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flange) |
|
to: 221 bar and 34.3 l/min |
||
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[3200 psi and 9 US gal/min] |
|
D24A* |
1 |
5/16-12 rear inlet, 3/4-16 rear priority, no secondary port (SAE A |
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flange) |
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D24B** |
1 |
5/16-12 rear inlet, 3/4-16 rear priority, no secondary port (SAE B |
|
||
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flange) |
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||
L01A** |
1 |
5/16-12 side inlet, 3/4-16 side priority, 7/8-14 side secondary, |
Integrated Load Sense Divider |
||
|
7/16-20 side LS (SAE-A flange) |
|
(Dynamic), Priority Relief Valve |
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L01B‡ |
1 |
5/16-12 side inlet, 3/4-16 side priority, 7/8-14 side secondary, |
|
||
|
7/16-20 side LS (SAE-B flange) |
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||
L08A** |
1 |
5/16-12 rear inlet, 3/4-16 rear priority, 7/8-14 rear secondary, |
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|
7/16-20 rear LS (SAE-A flange) |
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L08B‡ |
1 |
5/16-12 rear inlet, 3/4-16 rear priority, |
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7/8-14 rear secondary, 7/16-20 rear LS (SAE-B flange) |
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*Integrated auxilliary flange requires use of input shaft option AH or AC
**Requires use of mounting flange option AC or AP
‡ Requires use of mounting flange option BC or BP
A variety of integrated load sense priority flow divider covers are available from Danfoss. Please contact your technical representative to determine which hardware best suits specific application needs.
|
A |
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B1 |
B2 |
C |
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D |
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E |
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F |
H |
J |
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K |
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D |
E |
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1 |
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● |
● |
● |
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© Danfoss | April 2020 |
BC319684134607en-000202 | 19 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
Code |
Description |
||
|
|
|
|
NNN |
Noflow control setting, standard for units without integrated flow control valves |
||
|
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|
|
04X |
3.8 l/min [1 US gal/min] |
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08X |
7.6 l/min [2 US gal/min] |
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11X |
11.4 l/min [3 US gal/min] |
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15X |
15.1 l/min [4 US gal/min] |
For integrated PFD |
|
19X |
18.9 l/min [5 US gal/min] |
Steering cover with cartridge style relief valve |
|
(Cover options F09A, F09B, F13A, F13B, F21A, F21B, |
|||
|
|
||
23X |
22.7 l/min [6 US gal/min] |
F25A or F25B) |
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27X |
26.5 l/min [7 US gal/min] |
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30X |
30.3 l/min [8 US gal/min] |
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34X |
34.3 l/min [9 US gal/min] |
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38A |
10 bar standby |
Forintegrated load sense divider (use with L08A or |
|
L08B rear ports) |
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||
38L |
10 bar standby |
Forintegrated load sense divider (use with L01A or |
|
L01B side ports) |
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||
|
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For integrated relief valve, internally drained |
|
R1N |
Maximum flow not to exceed 75 l/min, pressure |
(without flow control) |
|
rangefrom 7-55bar |
Use with R104 cover option |
||
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|
|
23cc and under |
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|
|
For integrated relief valve, internally drained |
|
R2N |
Maximum flow not to exceed 75 l/min, pressure |
(without flow control) |
|
rangefrom 41-248bar |
Use with R104 cover option |
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23cc and under |
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A |
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B1 |
B2 |
C |
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D |
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E |
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F |
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H |
J |
|
K |
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D |
E |
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1 |
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● |
● |
● |
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20 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
Code |
|
Description |
|
|
|
|
|
000 |
Nopressure control settings, standard for units without integrated pressure control valves |
||
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034 |
34 bar [500 psi] |
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041 |
41 bar [600 psi] |
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048 |
48 bar [700 psi] |
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055 |
55 bar [800 psi] |
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062 |
62 bar [900 psi] |
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069 |
69 bar [1000 psi] |
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076 |
76 bar [1100 psi] |
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083 |
83 bar [1200 psi] |
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090 |
90 bar [1300 psi] |
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097 |
97 bar [1400 psi] |
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103 |
103 bar [1500 psi] |
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110 |
110 bar [1600 psi] |
|
For integrated priority flow divider (PFD) cover |
|
|
|
with cartridge style relief valve |
117 |
117 bar [1700 psi] |
|
|
|
(Cover optionsF09A, F09B, F13A, F13B, F21A, F21B, |
||
|
|
|
|
124 |
124 bar [1800 psi] |
|
F25A, F25B) |
|
|
|
For integrated steering cover with cartridge style |
131 |
131 bar [1900 psi] |
|
|
|
relief valve (Cover options D23A, D23B, D24A, |
||
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|
|
|
138 |
138 bar [2000 psi] |
|
D24B) |
|
|
|
For integrated load sense (LS) cover with cartridge |
145 |
145 bar [2100 psi] |
|
|
|
relief valve (Cover options L01A, L01B, L08A, L08B) |
||
152 |
152 bar [2200 psi] |
|
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159 |
159 bar [2300 psi] |
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165 |
165 bar [2400 psi] |
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172 |
172 bar [2500 psi] |
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179 |
179 bar [2600 psi] |
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186 |
186 bar [2700 psi] |
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193 |
193 bar [2800 psi] |
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200 |
200 bar [2900 psi] |
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207 |
207 bar [3000 psi] |
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214 |
214 bar [3100 psi] |
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221 |
221 bar [3200 psi] |
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A |
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B1 |
B2 |
C |
|
D |
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E |
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F |
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H |
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J |
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K |
|||||||||||
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D |
E |
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1 |
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● |
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● |
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(Choose Table 1 or Table 2)
Table 1. Single pumps without auxiliary cover or integrated valves
|
Displacem |
Rear Cover - Controls & Ports (Module D) |
|
|
ent |
|
|
|
|
|
|
|
(Module |
N101, N103, N104, N501, N503, N504, N704, N708 |
N125 |
|
B) |
||
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07 |
AF |
AJ |
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10 |
AG |
AJ |
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|
|
© Danfoss | April 2020 |
BC319684134607en-000202 | 21 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
Table 1. Single pumps without auxiliary cover or integrated valves (continued)
Displacem |
Rear Cover - Controls & Ports (Module D) |
|
|
ent |
|
|
|
|
|
||
(Module |
N101, N103, N104, N501, N503, N504, N704, N708 |
N125 |
|
B) |
|||
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||
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11 |
AG |
AJ |
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13 |
AG |
AJ |
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14 |
AG |
AK |
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17 |
AH |
AK |
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19 |
AH |
AK |
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21 |
AH |
AL |
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23 |
AJ |
AL |
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25 |
AJ |
AL |
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29 |
AK |
AM |
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32 |
AK |
AM |
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36 |
AL |
AN |
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38 |
AL |
AN |
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41 |
AM |
AP |
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45 |
AM |
AR |
|
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|
Table 2. Single pumps with auxiliary cover or integrated valves, dependent on rotation
|
|
Rear Cover - Controls & Ports (Module D) |
|
|
|||
Displacement |
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|
Right Hand (CW) Rotation |
|
Left Hand (CCW) Rotation |
|
||||
(Module B) |
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|||||
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|
F09A F13A, F21A |
F09B F13B, F21B |
B104 |
F09A F13A, F21A |
|
F09B F13B, F21B |
B104 |
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07 |
CV |
DG |
AG |
EM |
|
DG |
AG |
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10 |
CV |
DG |
AH |
EM |
|
DG |
AH |
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11 |
CV |
DG |
AH |
EM |
|
DG |
AH |
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13 |
CX |
DJ |
AH |
EP |
|
DJ |
AH |
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14 |
CX |
DJ |
AH |
EP |
|
DJ |
AH |
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17 |
CY |
DK |
AJ |
ER |
|
DK |
AJ |
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19 |
CZ |
DL |
AJ |
ES |
|
DL |
AJ |
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21 |
CZ |
DL |
AJ |
ES |
|
DL |
AJ |
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23 |
CZ |
DM |
AJ |
ES |
|
DM |
AJ |
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25 |
DA |
DN |
AK |
ET |
|
DN |
AK |
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29 |
DB |
DP |
AK |
EY |
|
DP |
AK |
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32 |
DC |
DR |
AL |
EU |
|
DR |
AL |
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36 |
DD |
DS |
AM |
EV |
|
DS |
AM |
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38 |
DE |
DT |
AM |
EW |
|
DT |
AM |
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41 |
DE |
DT |
AM |
EW |
|
DT |
AM |
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45 |
DF |
DU |
AN |
EX |
|
DU |
AN |
|
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|
|
|
|
|
|
22 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
|
A |
|
|
B1 |
B2 |
C |
|
D |
|
|
|
E |
|
F |
H |
J |
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|
K |
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D |
E |
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1 |
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● |
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● |
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Code |
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Description |
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AN |
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Standard nameplate |
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A |
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B1 |
B2 |
C |
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D |
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E |
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F |
H |
J |
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K |
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D |
E |
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1 |
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● |
● |
● |
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Code |
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Description |
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|||||||||||
NNN |
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No special features, standard black paint |
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Example
The order code below provides an example of a single section pump with integrated priority flow divider
|
A |
|
|
B1 |
|
B2 |
C |
|
R |
|
S |
|
D |
|
E |
|
F |
H |
J |
K |
||||||||||||||
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D |
E |
2 |
R |
2 |
3 |
S |
H |
B |
B |
1 |
0 |
4 |
1 |
3 |
N |
1 |
1 |
3 |
N |
N |
N |
O |
O |
O |
A |
V |
A |
N |
N |
N |
N |
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Code |
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Position |
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Description |
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|||||||||||||||||||||||
DE2R |
|
A |
|
D Series pump with two pumping sections, right hand rotation |
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23 |
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B1 |
|
23 cm³ displacement on first section |
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SH |
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B2 |
|
13 tooth spline input shaft |
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BB |
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C |
|
SAE B two bolt mounting flange |
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104 |
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R |
|
1 5/16-12 side inlet, 1 1/16 side outlet on first section |
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13 |
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S |
|
13 cm³ displacement on second section |
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N113 |
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D |
|
No inlet and 7/8-14 side outlet on second section |
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NNN |
|
E |
|
No flow control setting |
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000 |
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F |
|
No pressure control setting |
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AV |
|
H |
|
Assembly screws |
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|||||||||||
AN |
|
J |
|
Standard Nameplate |
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||||||||||||||
NNN |
|
K |
|
No special features, black paint |
|
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L |
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Lefthand (counterclockwise) |
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R |
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Right hand (clockwise) |
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© Danfoss | April 2020 |
BC319684134607en-000202 | 23 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
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A |
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B1 |
B2 |
C |
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D |
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Code |
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Description |
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07 |
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7.0 cm³/rev [0.43 in3/rev] |
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109.5 cm³/rev [0.58 in3/rev]
1110.8cm³/rev [0.66 in3/rev]
1312.6cm³/rev [0.77 in3/rev]
1414.3cm³/rev [0.87 in3/rev]
17 |
17.0cm³/rev [1.04 in3/rev] |
19 |
19.0cm³/rev [1.16 in3/rev] |
21 |
20.5cm³/rev [1.25 in3/rev] |
23 |
22.5cm³/rev [1.37 in3/rev] |
25 |
25.4cm³/rev [1.55 in3/rev] |
29 |
29.0cm³/rev [1.77 in3/rev] |
32 |
31.8cm³/rev [1.94 in3/rev] |
36 |
36.1cm³/rev [2.20 in3/rev] |
38 |
38.0cm³/rev [2.32 in3/rev] |
41 |
41.0cm³/rev [2.50 in3/rev] |
45 |
45.1cm³/rev [2.75 in3/rev] |
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A |
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B1 |
B2 |
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D |
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2 |
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Code |
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Description |
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SE* |
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SAE 9 tooth spline, 31.8 mm [1.25 in] length |
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SC |
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SAE 11 tooth spline, 38.1 mm [1.50 in] length |
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SF |
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11 tooth spline, 31.8 mm [1.25 in] length (special modified length) |
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SH |
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SAE 13 tooth spline, 41 mm [1.62 in] length |
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SV |
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15 tooth spline, 46 mm [1.81 in] length (requires mounting flange AR or BR) |
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PB |
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22 mm [7/8 in] diameter x 41 mm [1.62 in] length, with 1/4 inch key |
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PD |
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19 mm [3/4 in] diameter x 51 mm [2.0 in] length, with 3/16 inch key |
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PZ |
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25.4 mm [1 inch] diameter x 46 mm [1.81 in] length, with 1/4 inch key |
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TA |
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1:5taper, 25mm [1 in] dia, 58mm [2.30 in] length, 5/8 thread, M5 key with locknut and washer |
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TG |
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1:8taper, 22mm [7/8 in] dia, 50mm [1.95 in] length, 5/8 thread with key, locknut and washer |
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TH |
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1:8taper, 22mm [7/8 in] dia, 49mm [1.94 in] length, 9/16 thread with key, locknut and washer |
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WT |
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Input shaft similar to TH option with 34 tooth helical gear for Perkins engine mount |
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* Contact factory for units with SE (9T spline) to verify torque limits
24 | © Danfoss | April 2020 |
BC319684134607en-000202 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
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A |
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B1 |
B2 |
C |
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R |
S |
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D |
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E |
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F |
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D |
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Code |
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Description |
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AA |
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SAE A 2-bolt |
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AC |
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SAE A 2-bolt, use with integral PFD/Steering Cover |
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AM |
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SAE A 2-bolt, with T seal |
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AP |
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SAE A 2-bolt, with T seal, use with integral PFD/Steering cover |
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AR |
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SAE A 2-bolt, use with 15 T spline input drive |
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AS |
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SAE A 2-bolt, use with integral PFD/Steering cover and 15 T input spline |
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AL |
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SAE A 2-bolt, two shaft seals with weep hole |
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AT |
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SAE A 2-bolt, two shaft seals with weep hole, use with integral PFD/Steering cover |
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BB |
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SAE B 2-bolt |
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BC |
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SAE B 2-bolt, use with integral PFD/Steering cover |
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BM |
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SAE B 2-bolt, with T seal |
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BP |
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SAE B 2-bolt, with T seal, use with integral PFD/Steering cover |
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BR |
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SAE B 2-bolt, use with 15 T spline input drive |
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BS |
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SAE B 2-bolt, use with integral PFD/Steering cover and 15 T input spline |
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BT |
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SAE B 2-bolt, two shaft seals with weep hole, use with integral PFD/Steering Cover |
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BW |
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SAE B 2-bolt, two shaft seals with weep hole |
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PP |
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Perkins 6 bolt flange with (2) seals (use with WT input shaft and clockwise rotation) |
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A |
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Code |
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101 |
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1 1/16-12 side inlet, 7/8-14 side outlet |
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103 |
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1 5/16-12 side inlet, 7/8-14 side outlet |
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104 |
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1 5/16-12 side inlet, 1 1/16-12 side outlet |
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SAE O-ring boss ports No integrated |
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113 |
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No inlet, 7/8-14 side outlet |
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125 |
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1 5/8-12 side inlet, 1 1/16-12 side outlet |
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126 |
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No inlet, 1 1/16-12 side outlet |
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341 |
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Noinlet, 3/4 side split flange outlet (SAE Code 61) |
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SAESplit Flange Ports - No |
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11/4 side split flange inlet, 3/4 side split flange outlet(SAE Code |
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342 |
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61) |
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© Danfoss | April 2020 |
BC319684134607en-000202 | 25 |
Technical Information
D Series and XD Series Gear Pumps
D Series Model Code
Code |
Description |
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401 |
No inlet, 1/2-14 side outlet |
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402 |
3/4-14 side inlet, 1/2-14 side outlet |
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403 |
1-11 side inlet, 1/2-14 side outlet |
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British Standard Pipe Parallel (BSPP) |
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404 |
1 1/4-11 side inlet, 1/2-14 side outlet |
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threads - No integrated valves |
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405 |
No inlet, 3/4-14 side outlet |
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407 |
1-11 side inlet, 3/4-14 side outlet |
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408 |
1 1/4-11 side inlet, 3/4-14 side outlet |
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704 |
1 1/4 side tube inlet, 7/8-14 side ORB outlet |
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Beaded tube inlet port |
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708 |
11/4 side tube inlet, 1 1/16-12 side ORB outlet |
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SAE O-ring boss outlet port No |
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716 |
11/2 side tube inlet, 1 1/16-12 side ORB outlet |
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integrated valves |
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717 |
1 1/2 side tube inlet, 7/8-14 side ORB outlet |
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A |
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B1 |
B2 |
C |
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R |
S |
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D |
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E |
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F |
H |
J |
K |
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D |
E |
2 |
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Code |
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Description |
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07 |
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7.0 cm³/rev [0.43 in3/rev] |
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109.5 cm³/rev [0.58 in3/rev]
1110.8cm³/rev [0.66 in3/rev]
1312.6cm³/rev [0.77 in3/rev]
1414.3cm³/rev [0.87 in3/rev]
17 |
17.0cm³/rev [1.04 in3/rev] |
19 |
19.0cm³/rev [1.16 in3/rev] |
21 |
20.5 cm³/rev [1.25 in3/rev] |
23 |
22.5 cm³/rev [1.37 in3/rev] |
25 |
25.4 cm³/rev [1.55 in3/rev] |
29 |
29.0 cm³/rev [1.77 in3/rev] |
32 |
31.8 cm³/rev [1.94 in3/rev] |
36 |
36.1 cm³/rev [2.20 in3/rev] |
38 |
38.0 cm³/rev [2.32 in3/rev] |
41 |
41.0 cm³/rev [2.50 in3/rev] |
45 |
45.1 cm³/rev [2.75 in3/rev] |
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A |
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B1 |
B2 |
C |
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R |
S |
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D |
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E |
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F |
H |
J |
K |
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D |
E |
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2 |
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● |
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26 | © Danfoss | April 2020 |
BC319684134607en-000202 |