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Service Manual
Series 45 Frame K and L Open Circuit Axial Piston Pumps
Technical specifications
General specifications
Ratings
Specification
Displacement
Input speed
minimum
continuous
maximum
Working pressure - maximum (peak)
Continuous working pressure
Flow at rated speed
Theoretical input torque at maximum displacement
Mass moment of inertia of internal rotating components
Weight
Axial ports
Radial ports
©
Danfoss | August 2016
Type of mounting
SAE-B mounting flange.
Auxiliary mounting pad options
SAE-A, SAE-B, or SAE-B-B
Control options
PC: Pressure Compensator
LS: Load Sensing (with PC)
Port options
Inlet and system ports:
•
SAE flanged ports, code 61 or O-ring boss ports.
•
Axial (end) ports or radial (side) ports.
All other ports:
•
SAE straight thread O-ring boss.
Direction of rotation
Clockwise or counterclockwise.
Installation position
Installation position is discretionary. To satisfy inlet pressure conditions, it is recommended that the
pump always be located below the lowest level of hydraulic fluid in the reservoir. The housing must
always be filled with hydraulic fluid.
Technical specifications
Unit
Frame L
3
3
cm
[ in
]
25 [1.53]
1
min-
(rpm)
500
3200
3600
bar [psi]
350 [5075]
l/min [gal/min]
76.2 [20.3]
N•m/bar [lbf•in/
0.395 [243]
1000 psi]
2
2
kg•m
[lbm•ft
]
0.0016 [0.037]
kg [lbm]
19 [42]
24 [53]
Frame K
30 [183]
38 [2.32]
500
500
3200
2650
3600
2800
300 [4350]
350 [5075]
90.0 [24.0]
108.3 [20.9]
0.477 [291]
0.605 [369]
0.0015 [0.035]
0.0017 [0.040]
19 [42]
19 [42]
24 [53]
24 [53]
520L0532 | AX00000040en-US0401 | 9
45 [2.75]
500
2650
2800
300 [4350]
126.0 [33.6]
0.716 [437]
0.0020 [0.047]
19 [42]
24 [53]
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