Danfoss | 11265238
11265238
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The 11265238 unit is part of the Open Circuit Piston Pumps series from Danfoss and is used to supply pressurized fluid for hydraulic automation tasks. A maximum displacement of 100 cm³ per revolution defines how much fluid is delivered each shaft turn, while a theoretical flow of 245 l/min shows the volume available to downstream actuators at rated speed. A continuous input speed limit of 2450 rpm supports steady-state duty, and a maximum input speed of 2880 rpm permits short bursts of higher flow. The 13-tooth spline input shaft with an 8/16 pitch secures torque transfer from the prime mover, and the shaft can accept up to 1560 N·m without damage. Clockwise rotation fixes the mounting orientation relative to the driving engine.
The pump maintains a continuous working pressure of 310 bar for normal cycles and can withstand momentary peaks up to 400 bar. A load-sensing and pressure-compensated control adjusts displacement automatically; the LS setting of 24 bar sets the differential pressure for demand matching, and the PC setting of 280 bar defines the pressure limit before cutback. A 1.0 mm gain orifice governs the responsiveness of this control loop, and the standard configuration omits a separate servo control orifice to keep damping characteristics unchanged. A radial running cover serves as the auxiliary endcap, providing an additional service interface, and the assembled unit weighs 54.9 kg, influencing the design of mounting brackets and support frames.
Technical Specifications
Auxiliary Endcap
Running Cover, Radial
Continuous Input Speed
2450 rpm
Continuous Working Pressure
310 bar
Control Type
Load Sensing/Pressure Comp.
Gain Orifice
1.0 mm
Input Shaft
13-Tooth Spline, 8/16 Pitch
Ls Setting
24 bar
Maximum Displacement
100 cm³/rev
Maximum Input Speed
2880 rpm
Maximum Working Pressure
400 bar
Pc Setting
280 bar
Rotation
Clockwise
Servo Control Orifice
None (Standard)
Shaft Max Torque
1560 N·m
Theoretical Flow
245 l/min
Weight
54.9 kg
1620 Old Apex Road
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