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Technical Information
Gear Pumps
Group 0 and Group 1
www.danfoss.com
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
Revision history |
Table of revisions |
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Date |
Changed |
Rev |
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October 2019 |
First edition |
0101 |
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2 | © Danfoss | October 2019 |
BC320173499791en-000101 |
Technical Information |
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Gear Pumps Group 0 and Group 1 Technical Information |
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Contents |
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General Information |
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Overview.............................................................................................................................................................................................. |
5 |
Features and benefits..................................................................................................................................................................... |
6 |
Group 0 |
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Design................................................................................................................................................................................................... |
7 |
Features................................................................................................................................................................................................ |
7 |
Product Code..................................................................................................................................................................................... |
8 |
Model code.................................................................................................................................................................................... |
8 |
A Family..................................................................................................................................................................................... |
8 |
B Displacement....................................................................................................................................................................... |
8 |
C Rotation................................................................................................................................................................................. |
9 |
D Project version.................................................................................................................................................................... |
9 |
E Mounting flange................................................................................................................................................................. |
9 |
F Drive gear.............................................................................................................................................................................. |
9 |
G Rear cover............................................................................................................................................................................. |
9 |
H Inlet size; I Outlet size....................................................................................................................................................... |
9 |
J Ports positions & Special body.................................................................................................................................... |
10 |
K Seals...................................................................................................................................................................................... |
10 |
L Screws.................................................................................................................................................................................. |
10 |
M Set valve............................................................................................................................................................................. |
10 |
N Type mark.......................................................................................................................................................................... |
10 |
O Mark position.................................................................................................................................................................... |
10 |
Dimensions....................................................................................................................................................................................... |
11 |
TFPONN-01FA............................................................................................................................................................................ |
11 |
Group 1 |
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Pump design.................................................................................................................................................................................... |
12 |
SNP1NN............................................................................................................................................................................................. |
12 |
SKP1NN.............................................................................................................................................................................................. |
13 |
SKP1IN................................................................................................................................................................................................ |
13 |
Pump displacements.................................................................................................................................................................... |
14 |
General Information |
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Technical data................................................................................................................................................................................. |
15 |
Product Code |
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Model code....................................................................................................................................................................................... |
17 |
A Family........................................................................................................................................................................................ |
17 |
B Displacement.......................................................................................................................................................................... |
17 |
C Rotation.................................................................................................................................................................................... |
17 |
D Project version....................................................................................................................................................................... |
17 |
E Mounting flange.................................................................................................................................................................... |
18 |
F Drive gear................................................................................................................................................................................. |
18 |
G Rear cover................................................................................................................................................................................ |
18 |
H Inlet size; I Outlet size.......................................................................................................................................................... |
18 |
J Ports positions & Special body.......................................................................................................................................... |
19 |
K Seals........................................................................................................................................................................................... |
19 |
L Screws........................................................................................................................................................................................ |
20 |
M Set valve.................................................................................................................................................................................. |
20 |
N Type mark................................................................................................................................................................................ |
20 |
O Mark position......................................................................................................................................................................... |
20 |
Determination of Nominal Pump Sizes |
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Determination of nominal pump sizes.................................................................................................................................. |
21 |
System Requirements |
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Pressure............................................................................................................................................................................................. |
22 |
Speed.................................................................................................................................................................................................. |
22 |
Hydraulic fluids............................................................................................................................................................................... |
23 |
Temperature and viscosity......................................................................................................................................................... |
23 |
Filtration............................................................................................................................................................................................ |
24 |
© Danfoss | October 2019 |
BC320173499791en-000101 | 3 |
Technical Information |
|
Gear Pumps Group 0 and Group 1 Technical Information |
|
Contents |
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Filters............................................................................................................................................................................................. |
24 |
Selecting a filter......................................................................................................................................................................... |
24 |
Reservoir...................................................................................................................................................................................... |
24 |
Line sizing......................................................................................................................................................................................... |
25 |
Pump drive....................................................................................................................................................................................... |
25 |
Pump drive data form.................................................................................................................................................................. |
26 |
Pump Life.......................................................................................................................................................................................... |
27 |
Sound levels..................................................................................................................................................................................... |
27 |
Pump Performance |
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Pump performance graphs........................................................................................................................................................ |
28 |
Product Options |
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Flange, shaft and port configurations.................................................................................................................................... |
31 |
Shaft options.................................................................................................................................................................................... |
32 |
Inlet/Outlet port configurations............................................................................................................................................... |
33 |
Ports.................................................................................................................................................................................................... |
33 |
SNP1IN............................................................................................................................................................................................... |
34 |
Variant codes for ordering integral relief valves................................................................................................................. |
35 |
Integral relief valve schematic................................................................................................................................................... |
37 |
Dimensions |
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SNP1NN - 01BA and 01DA.......................................................................................................................................................... |
38 |
SKP1NN – 02BB and 02FA........................................................................................................................................................... |
39 |
SNP1NN – 03CA.............................................................................................................................................................................. |
40 |
SKP1NN – 06GA and 06SA.......................................................................................................................................................... |
41 |
4 | © Danfoss | October 2019 |
BC320173499791en-000101 |
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
General Information
Overview
The Danfoss Group 0 and Group 1 is a range of peak performance fixed-displacement gear pumps. Constructed of a high strength extruded aluminum body with aluminum cover and flange, all pumps are pressure-balanced for exceptional efficiency. The flexibility of the range, combined with high efficiency and low noise, makes the pumps in this series ideal for a wide range of applications, including: turf care, aerial lifts, material handling, and power packs.
TFP0NN 01FA
SNP1NN 01BA
© Danfoss | October 2019 |
BC320173499791en-000101 | 5 |
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
General Information
SKP1NN 06SA
SNP1NN 03CA
Features and benefits
Gear pump attributes:
•Up to 16 displacements from 0,25 to 12 cm3/rev [from 0.015 to 0.732 in3/rev
•Continuous pressure rating up to 250 bar [3625 psi]
•Speeds up to 4000 min-1 (rpm)
•SAE, ISO, and DIN mounting flanges and shafts
•Compact, lightweight, quiet operation
•Group 1 units are available as unidirectional and bi-directional motors, also with integral relief valve
•You can combine groups 1, 2 and 3 to make multi-stage pump
6 | © Danfoss | October 2019 |
BC320173499791en-000101 |
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
Group 0
OwerTFP0NN pumps provide flexibility, numerous displacements, features, and shaft/port options. The TFP0NN series has earned an excellent reputation for rugged, dependable performance at continuous pressures and speeds.
TFP0NN 01FA
TFP0NN pumps are available in five displacements from 0.25 to 1.27 cm3/rev [0.015 to 0.075 in3/rev].
Complete information can be found by referring to the specific sections in this technical manual.
Design
Constructed of high strength aluminum, the TFP0NN rotation is either clockwise or counterclockwise.
Features
Special features of Group 0 pumps include:
•Wide range of displacements
•Parallel shaft ends
•Standard mounting flange (European, 2-bolt)
•European port options
© Danfoss | October 2019 |
BC320173499791en-000101 | 7 |
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
Group 0
Technical data – Group 0 gear pumps
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Frame size |
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,25 |
,45 |
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,57 |
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,76 |
1,3 |
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Displacement |
cm3/rev |
0.25 |
0.45 |
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0.57 |
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0.76 |
1.27 |
[in3/rev] |
[0.015] |
[0.027] |
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[0.034] |
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[0.045] |
[0.075] |
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Peak pressure |
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200 |
200 |
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200 |
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200 |
200 |
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[2900] |
[2900] |
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[2900] |
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[2900] |
[2900] |
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Rated pressure |
bar [psi] |
180 |
180 |
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180 |
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180 |
180 |
[2600] |
[2600] |
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[2600] |
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[2600] |
[2600] |
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Minimum pressure at maximum speed |
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103 |
103 |
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103 |
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103 |
103 |
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[1500] |
[1500] |
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[1500] |
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[1500] |
[1500] |
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Minimum speed at 103 bar [1500 psi] |
min-1 (rpm) |
500 |
500 |
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500 |
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500 |
500 |
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Maximum speed |
8000 |
8000 |
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8000 |
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7000 |
5000 |
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Weight |
kg [lb] |
0.40 |
0.45 |
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0.46 |
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0.47 |
0.48 |
[0.88] |
[1.00] |
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[1.01] |
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[1.03] |
[1.06] |
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Moment of inertia of rotating components |
x 10-6 kg•m2 |
0.425 |
0.544 |
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0.621 |
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0.737 |
1.049 |
[x 10-6 lb•ft2] |
[10.09] |
[12.91] |
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[14.74] |
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[17.49] |
[24.89] |
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Theoretical flow at maximum speed |
l/min |
2.00 |
3.60 |
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4.56 |
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5.32 |
6.35 |
[US gal/min] |
[0.53] |
[0.95] |
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[1.20] |
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[1.41] |
[1.68] |
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1 kg•m2 = 23.68 lb•ft2
For applications requiring parameters beyond those listed above, contact Danfoss.
Product Code
Model code
A Family
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A |
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TFP0NN |
Std gear pump |
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TFR0NN |
Reversible pump |
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B Displacement
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0,25 |
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Displacement 0,25cc |
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0,45 |
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Displacement 0,45cc |
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0,57 |
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Displacement 0,57cc |
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0,76 |
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Displacement 0,76cc |
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1,3 |
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Displacement 1,3cc |
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8 | © Danfoss | October 2019 |
BC320173499791en-000101 |
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
Group 0
C Rotation
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A |
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B |
C |
D |
E |
F |
G |
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J |
K |
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M |
N |
O |
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L |
Left rotation |
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R |
Right rotation |
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B |
Reversible pump |
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D Project version
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A |
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B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
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M |
N |
O |
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N |
Std gear version |
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E Mounting flange
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A |
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B |
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C |
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E |
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F |
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H |
I |
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M |
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O |
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Code |
Description (Type of flange • Type of drive gear • Preferred ports for configuration) |
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01 |
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European 2-bolt flange |
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F Drive gear
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A |
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B |
C |
D |
E |
F |
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G |
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I |
J |
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L |
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M |
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O |
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CA |
Tang drive 5xØ7 |
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FA |
Parallel shaft 7,0 mm [0.276 in] |
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G Rear cover
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P1 |
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Standard cover for pump |
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P3 |
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Standard cover for reversible pump |
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H Inlet size; I Outlet size
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© Danfoss | October 2019 |
BC320173499791en-000101 | 9 |
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
Group 0
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D1 |
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M10x1Threaded metric port |
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D3 |
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M14x1,5- Threaded metric port |
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F2 |
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1/4 GAS - Threaded BSP port |
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J Ports positions & Special body |
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A |
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N |
O |
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NN |
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Std position from catalog |
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K Seals |
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N |
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Standard Buna seal |
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L Screws |
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A |
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M |
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N |
O |
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N |
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Std screws |
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M Set valve |
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A |
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B |
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M |
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N |
O |
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NNN |
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No valve |
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N Type mark |
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A |
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M |
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N |
O |
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N |
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Standard Danfoss Marking |
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A |
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Standard Danfoss Marking+Customer Code |
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O Mark position |
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A |
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M |
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N |
O |
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10 | © Danfoss | October 2019 |
BC320173499791en-000101 |
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
Group 0
N |
Std Marking position (on top) |
|
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A |
Special Marking position on the bottom |
|
|
Dimensions
TFPONN-01FA
Available 01FA configuration only.
TFP0NN dimensions
Frame size |
|
,25 |
,45 |
,57 |
,76 |
1,3 |
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Dimension |
A |
53.5 [2.10] |
55.0 [2.16] |
56.0 [2.20] |
61.5 [2.42] |
61.5 [2.42] |
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B |
26.5 [1.04] |
27.3 [1.07] |
27.8 [1.09] |
30.5 [1.20] |
30.5 [1.20] |
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Inlet/Outlet |
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M10 x 1 |
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Model code examples and maximum shaft torque
Flange/drive gear |
Model code example |
Maximum shaft torque |
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01FA |
TFP0NN/,57RN01FAP1D1D1NNNN/NNNNN |
4.5 N•m [39.8 lb•in] |
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For further details on ordering, see Product Code on page 8.
© Danfoss | October 2019 |
BC320173499791en-000101 | 11 |
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
Group 1
Pump design
SNP1NN
SNP1NN pumps only include European flange and shaft configurations (code 01BA, 01DA, and 03CA).
SNP1NN 01BA (cut away)
12 | © Danfoss | October 2019 |
BC320173499791en-000101 |
Technical Information
Gear Pumps Group 0 and Group 1 Technical Information
Group 1
SKP1NN
SKP1NN has a larger diameter shaft than the SNP1NN. It spans the complete displacement range at higher pressures than the SNP1IN and the SNP1NN. Configurations include European and SAE flanges and shafts (code 02BB, 02FA, 06SA, and 06GA).
SKP1IN
Danfoss offers an optional integral relief valve integrated in the rear cover. It is drained internally and directs all flow from the pump outlet to the inlet when the outlet pressure reaches the valve setting. SNI1 pumps only include European flange and shaft configurations (code 01BA, 01DA, and 03CA).
SNP1IN 03CA (cut away)
© Danfoss | October 2019 |
BC320173499791en-000101 | 13 |
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