Danfoss | 83012577
83012577
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The 83012577 pump belongs to the Open Circuit Piston Pumps series and is manufactured by Danfoss. It supplies pressurized flow for hydraulic automation while using pressure-compensated and load-sensing control to maintain system efficiency. Displacement is fixed at 74 cc per revolution, so delivered flow is directly proportional to speed. A pressure compensator limits outlet pressure to 280 bar, and the load-sensing circuit is set at 20 bar to respond to downstream demand. Continuous operation is permitted up to 310 bar without exceeding design limits. Rotation is clockwise, there is no choke orifice in the control path, and a standard gain orifice is fitted to stabilize pressure transitions.
The pump carries a radial endcap and mates to machinery with an SAE-B two-bolt front flange. Fluid connections use SAE O-ring ports; the inlet measures 2 in to reduce suction losses, and the outlet is 1 in for common high-pressure lines. Power is transmitted through a splined shaft with a 16/32 pitch and fifteen teeth, and a Viton shaft seal withstands elevated oil temperatures while preventing external leakage. These mechanical and hydraulic interfaces enable straightforward installation in mobile or industrial circuits.
Technical Specifications
Choke Orifice
None
Control Type
Pressure Compensated / Load Sensing
Displacement
74 cc/rev
Endcap Type
Radial
Front Flange
SAE-B 2-Bolt
Gain Orifice
Standard
Housing Port Type
SAE O-Ring
Inlet Port Size
2 in
Load Sensing Setting
20 bar
Max Continuous Pressure
310 bar
Outlet Port Size
1 in
Pressure Compensator
280 bar
Rotation
Clockwise
Shaft Pitch
16/32
Shaft Seal Material
Viton
Shaft Tooth Count
15
1620 Old Apex Road
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