Danfoss | 83014403
83014403
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The 83014403 model is part of the Open Circuit Piston Pumps series from Danfoss and supplies hydraulic flow for automated machinery. It uses pressure-compensated and load-sensing control to hold target pressure while adjusting output to varying actuator demand. The fixed displacement of 147 cc per revolution establishes the basic flow rate for the circuit. A clockwise rotation matches standard engine or motor drives, and a SAE-C four-bolt front flange secures the housing to common mounting pads. The radial endcap arranges internal galleries without increasing exterior length, while a 14-tooth, 12/24-pitch shaft spline transfers torque with precise alignment. A single Viton shaft seal contains fluid and resists high oil temperatures.
The unit operates continuously up to 260 bar, so components downstream can be sized for that working limit. The pressure compensator is preset to 100 bar to reduce flow when circuit pressure reaches that level, while the load-sense line monitors 22 bar to trim swash-plate angle and minimize wasted energy. A standard gain orifice governs the response rate, and no choke orifice is installed, leaving dynamic damping to external plumbing if required. The inlet is a 2.5 in four-bolt split flange that supports high flow entry with low restriction, whereas discharge leaves through a 1.25 in four-bolt split flange suited to typical pressure lines. Auxiliary housing ports use SAE O-ring connections, and a 0.5 in threaded service port provides drain or test access. Together these hydraulic interfaces simplify installation and maintain leak-free operation across varying load cycles.
Technical Specifications
Choke Orifice
None
Control Type
Pressure Compensated / Load Sensing
Displacement
147 cc/rev
Endcap Type
Radial
Front Flange
SAE-C 4-bolt
Gain Orifice
Standard
Housing Ports
SAE O-ring ports
Inlet Port
4-bolt split flange, 2.5 in
Load Sensing Setting
22 bar
Max Continuous Pressure
260 bar
Outlet Port
4-bolt split flange, 1.25 in
Port Thread Size
0.5 in
Pressure Compensator Setting
100 bar
Rotation
Clockwise
Shaft Seal
Single Viton
Shaft Spline
14 tooth, 12/24 pitch
1620 Old Apex Road
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