Danfoss Axial Piston Pumps Data sheet
Data Sheet
Series 42 Axial Piston Pumps
28/32 cm³
The pumps have been part of this tradition for more than 15 years with proven reliability for tough medium duty applications. Recently, the HC-EDC and 32cc have been added to the long list of options
was designed with many optional features in a small package size. This helps the fit in tight places and simplify circuit design..
Four displacements in two frame sizes, (28/32 and 41/51), help to cover a wide range of medium duty applications.
Two pumps can be bolted together with additional capability for auxiliary mounting. Optional housings offer increased flexibility for conversion and base model programs with many interchangeable components.
Features
Designed for Durability and Flexibility
•Single Piece Housing / End cap
•No High Pressure Sealing
•Single Piece Swash plate
•Bolt Together Tandem Configurations
Installation and Packaging benefits
•Optimized for Shortest Length
•One Clean Side
•High Corner Power
•Integrated Loop Flushing Device
Wide Range of Controls
•High Current Electrical Displacement Control (HC-EDC)
•Electrical Displacement control (EDC)
•Mechanical Displacement control (MDC)
•Forward-Neutral-Reverse (FNR)
•Non-Feedback Proportional Electric (NFPE)
•Non-Feedback Proportional Hydraulic (NFPH)
Wide Range of Options
•Loop Flushing
•Geroter Charge Pumps
•Loop Bypass
•High Pressure Relief Valve (HPRV)
•Charge Pressure Relief Valve (CPRV)
•Optional SAE A-Pad and SAE B-Pad Auxiliary Mounting
Comprehensive technical literature online at powersolutions.danfoss.com
© Danfoss | May 2016 |
11075022 | AI00000070en-US0102 | 1 |
Technical Specifications |
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Schematic |
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Features |
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Unit |
Size |
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28 |
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32 |
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Displacement |
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cm3 [in3] |
28 [1.71] |
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31.8 [1.94] |
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Weight |
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kg [lb] |
34.5 [76] |
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Input Speed |
Minimum |
min-1 (rpm) |
500 |
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500 |
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Rated |
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3400 |
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3000 |
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Maximum |
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3750 |
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3400 |
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System |
Max. |
bar [psi] |
400 [5800] |
350 [5075] |
M5 |
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Pressure |
Working |
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M4 |
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Pressure* |
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Max. |
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450 [6525] |
400 [5800] |
S |
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pressure |
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Min. Low |
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10 [145] |
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Loop |
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L1 |
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Case |
Rated |
bar [psi] |
3 [44] |
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Pressure |
Maximum |
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5 [73] |
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* Applied pressures above maximum working pressure requires Danfoss |
B |
M2 |
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application approval. |
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Dimensions |
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105.1 max |
127.8 max |
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[4.14] |
[5.03] |
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126.4 |
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[4.98] |
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Servo pressure |
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gauge port (M4) |
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Port ISO 11926-1 - 9/16 -18 |
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Displacement |
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Ø14.3 |
+0.25 |
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limiter side 1 |
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+0 |
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-0.13 |
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option 'A' |
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Ø101.6 -0.05 |
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[0.563 |
+0.010 |
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+0.000 |
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-0.005 |
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2X |
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[4.000 -0.002 ] |
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CCW |
CW |
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81.1 |
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82.62 |
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[3.19] |
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[3.25] |
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R1 max |
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[0.039] |
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73 |
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9.7±0.1 |
12.5 |
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[0.382±0.004] |
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[2.87] |
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[0.49] |
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2X |
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Case drain port (L1) |
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Pump centerline |
Port ISO 11926-1 - 1 5/16 -12 |
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159.6 |
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[6.28] |
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System pressure |
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gauge port (M2) |
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Port ISO 11926-1 - 9/16 -18 |
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System pressure port (B) |
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Port ISO 11926-1 - 1 1/16 -12 |
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Servo cover used with high |
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force neutral return |
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(NFP special feature) |
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Charge pressure relief valve |
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1 1/16 in EXT HEX (Lock) |
System pressure port (A) |
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1/2 in EXT HEX (Adjust) |
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Port ISO 11926-1 - 1 1/16 -12 |
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System pressure |
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gauge port (M1) |
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Port ISO 11926-1 -9/16 -18 |
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M3
L2
M1 A
Charge pressure gauge port (M3)
Port ISO 11926-1 - 9/16 -18
Charge pressure supply for no charge pump option
Port ISO 11926-1 - 3/4 -16
System pressure check relief valve port (B)
Case inlet port (L2)
Port ISO 11926-1 - 1 5/16 -12
System pressure check relief valve port (A)
219.17
[8.63] Servo pressure gauge port (M5)
Port ISO 11926-1 - 9/16 -18
Displacement |
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limiter |
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side 2 |
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option 'A' |
180 |
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[7.09] |
Case drain port (L2)
Port ISO 11926-1 - 1 5/16 -12
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without changes being necessary in specifications already agreed.
All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
2 | © Danfoss | May 2016 |
11075022 | AI00000070en-US0102 |
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