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The 83014502 unit is produced by Danfoss and belongs to the Open Circuit Piston Pumps series. It supplies variable hydraulic flow for automation circuits by using a displacement of 100 cc per revolution. A pressure-compensated, load-sensing control governs output; the compensator is preset to 310 bar, and the load-sensing element references 20 bar to match actuator demand. Continuous service is permitted up to 310 bar so the assembly withstands high working pressures without derating. Counter-clockwise shaft rotation suits installations where engine drive orientation is fixed and preserves correct internal lubrication paths.
Mounting and connection details are standardized to speed integration. A SAE-C 4-bolt front flange aligns the housing to the prime mover, and a matching SAE-C 14-tooth auxiliary drive passes residual torque to secondary equipment. The radial endcap keeps overall length compact, and housing ports accept SAE O-ring fittings to minimize external leakage. A 4-bolt split inlet port sized at 2.5 in with 0.5 in threads admits reservoir oil freely, while the outlet port uses a 1.25 in split pattern with the same thread size for balanced flow paths. A single Viton shaft seal isolates the drive-side bearing from hydraulic fluid, and the absence of a choke orifice and a displacement limiter leaves flow characteristics fully determined by the main control assembly.
Auxiliary Drive
SAE-C, 14 Tooth
Choke Orifice
None
Control Type
Pressure Compensated / Load Sensing
Displacement
100 cc/rev
Displacement Limiter
None
Endcap
Radial
Front Flange
SAE-C 4-Bolt
Housing Ports
SAE O-Ring
Inlet Port
4-Bolt Split, 2.5 in, 0.5 in Threads
Load Sensing Set
20 bar
Max Continuous Pressure
310 bar
Outlet Port
4-Bolt Split, 1.25 in, 0.5 in Threads
Pressure Compensator Set
310 bar
Rotation
Counter-Clockwise
Shaft Seal
Single Viton
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