Danfoss | 83012802
83012802
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The 83012802 pump is produced by Danfoss and belongs to the Open Circuit Piston Pumps series. It supplies hydraulic power to actuators by delivering 130 cc of fluid per revolution. The unit employs pressure-compensated and load-sensing control so flow matches demand; the load-sensing circuit is set to 20 bar and the pressure compensator limits outlet pressure to 280 bar. Continuous duty is permitted up to 310 bar for heavy cycles. Clockwise rotation matches common engine drives. Fluid enters through a 4-bolt split-flange inlet sized at 2.5 inches with 0.5-inch threads and exits through a split-flange outlet of 1.25 inches using the same thread size. A SAE-C four-bolt mounting flange at the front aligns the housing with standard power take-offs.
A SAE-B 13-tooth auxiliary flange lets the pump drive secondary attachments without special couplers. A radial endcap keeps the housing compact and channels case flow toward SAE O-ring ports for leak-free return. No choke orifice is fitted, so compensator response is not delayed by intentional restriction, and no displacement limiter is installed, leaving full swash-plate travel available. Shaft sealing is handled by a single Viton seal that withstands heat and aggressive fluids. These features integrate the pump into open-circuit systems that need fast pressure control, standardized port hardware, and straightforward mounting.
Technical Specifications
Auxiliary Flange
SAE-B 13 Tooth
Choke Orifice
None
Control Type
Pressure Compensated / Load Sensing
Displacement
130 cc/rev
Displacement Limiter
None
Endcap Type
Radial
Front Flange
SAE-C 4-Bolt Flange
Housing Ports
SAE O-Ring Ports
Inlet Port
4-Bolt Split Flange, 2.5 In Port, 0.5 In Threads
Load Sensing Setting
20 bar
Max Continuous Pressure
310 bar
Outlet Port
4-Bolt Split Flange, 1.25 In Port, 0.5 In Threads
Pressure Comp Setting
280 bar
Rotation
Clockwise
Shaft Seal
Single Viton
1620 Old Apex Road
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