Danfoss | 83014520
83014520
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The 83014520 pump belongs to the Open Circuit Piston Pumps series from Danfoss and is intended to supply controlled hydraulic flow in automated machinery. Its pressure-compensated and load-sensing control matches output to system demand, conserving energy during partial load operation. A fixed displacement of 100 cc per revolution defines the volume delivered each shaft turn, while an adjustable maximum-flow limiter lets the installer cap peak output to protect downstream components. Counter-clockwise rotation aligns with common engine drives, and the SAE-C 4-bolt front flange simplifies mounting to standard housings. A 14-tooth 12/24-pitch shaft spline transmits torque without backlash, and the 4-bolt split-flange inlet port sized at 2.5 in with a 0.5 in thread supports high flow into the case. Continuous service is allowed up to 310 bar, giving the unit headroom for heavy industrial circuits.
An SAE-C 14-tooth auxiliary flange offers a secondary drive point for tandem accessories. The standard gain orifice tunes the load-sense signal so pressure changes are relayed to the control with stable response, and the design omits a choke orifice to minimize extra restriction. SAE O-ring housing ports ease leak-free connection of case-drain lines. The load-sensing circuit is preset to 20 bar, ensuring the pump elevates output only after this differential is reached, while the pressure compensator limits outlet pressure to 210 bar to avoid overstressing actuators. A 4-bolt split-flange outlet port measuring 1.25 in with a 0.5 in thread provides a secure high-pressure path back to the system, and a single Viton shaft seal contains fluid around the drive shaft.
Technical Specifications
Auxiliary Flange
SAE-C 14-Tooth
Choke Orifice
None
Control Type
Pressure Compensated / Load Sensing
Displacement
100 cc/rev
Displacement Limiter
Adjustable Max Flow
Front Flange
SAE-C 4-Bolt Flange
Gain Orifice
Standard Orifice
Housing Ports
SAE O-Ring
Inlet Port
4-Bolt Split Flange, 2.5 in, 0.5 in Thd
Load Sensing Setting
20 bar
Max Continuous Pressure
310 bar
Outlet Port
4-Bolt Split Flange, 1.25 in, 0.5 in Thd
Pressure Compensator Setting
210 bar
Rotation
Counter-Clockwise
Shaft Seal
Single Viton
Shaft Spline
14-Tooth 12/24 Pitch
1620 Old Apex Road
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