Danfoss | 83012126
83012126
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The 83012126 pump is part of the Open Circuit Piston Pumps series from Danfoss. It supplies variable flow for hydraulic actuators in mobile or industrial systems while maintaining pressure stability through pressure-compensated and load-sensing control. The displacement is 74 cm³ per revolution, which defines the volume delivered each shaft turn. Under continuous duty the unit withstands 310 bar, so circuits can operate at high working pressures. A pressure compensator is preset to 210 bar to limit outlet pressure, and the load-sensing spool monitors differential pressure with a 17 bar setting to adjust flow according to demand. Clockwise rotation matches common engine drives, and all service ports are arranged radially to simplify hose routing in compact layouts.
Connection details support straightforward installation. Fluid enters through a 2 inch four-bolt split-flange inlet, a dimension that keeps suction velocity low and helps avoid cavitation during high flow demand, and discharge leaves through a 1 inch four-bolt split-flange outlet that matches common pressure lines. The front mounting interface is an SAE-C four-bolt flange, giving rigid alignment to engine housings or gearboxes. A 14-tooth 12/24 pitch input shaft couples directly to splined drive hubs and maintains uniform torque transfer. Sealing at the drive end relies on a Viton shaft seal for resistance to hot oil and additives. With a mass of 32.6 kg the assembly can be positioned by one person using ordinary lifting aids when service is required.
Technical Specifications
Continuous Working Pressure
310 bar
Control Type
Pressure Compensated / Load Sensing
Displacement
74 cm³/rev
Front Mounting Flange
SAE-C 4-Bolt
Inlet Port
2 in 4-Bolt Split Flange
Input Shaft
14 Tooth, 12/24 Pitch
Load Sensing Setting
17 bar
Outlet Port
1 in 4-Bolt Split Flange
Port Location
Radial
Pressure Comp Setting
210 bar
Rotation
Clockwise
Shaft Seal Material
Viton
Weight
32.6 kg
1620 Old Apex Road
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