Danfoss 45 Frame K2 Series, Руководство по обслуживанию

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General specifications
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
Ratings
Description Unit K2 Frame
25C 30C 38C 45C
Maximum Displacement cm
3
[in
3
] 25 [1.53] 30 [1.83] 38 [2.32] 45 [2.75]
Working Input Speed Minimum min
-1
[rpm] 500 500 500 500
Continuous 3450 3200 2900 2900
Maximum 3750 3450 3050 3050
Working Pressure Continuous bar [psi] 260 [3771] 260 [3771]
Maximum 350 [5075] 350 [5076]
Flow at rated speed (theoretical) l/min [US gal/
min]
86.3 [22.8] 96 [25.4] 110.2 [29.1] 130.5 [34.5]
Input torque at max. displacement
(theoretical) at 49° C [120°F]
N•m/bar [lbf•in/
1000 psi]
0.398 [243] 0.477 [291] 0.605 [369] 0.716 [438]
Mass moment of inertia of internal rotating
components
kg•m
2
[slug•ft
2
] 0.00184 [0.00135] 0.00203 [0.00150]
Weight Axial ports kg [lb] 16 [35]
Radial ports 17 [37]
Service Manual
Series 45 Frame K2 Open Circuit Axial Piston Pumps
Technical specifications
8 | © Danfoss | April 2017 AX00000301en-US0101