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The PVV4-1X/122RA15DVC pump belongs to the PV Fixed Displacement Pumps series and is produced by Bosch Rexroth for constant-flow hydraulic automation tasks. Its displacement of 121.6 cm³ per revolution sets the volume delivered each shaft turn, and a continuous pressure rating of 175 bar supports medium-pressure circuits. When driven at 1500 min-1 the pump supplies up to 177 l/min, while the permitted speed window of 600 to 1800 min-1 lets system designers match output to varying prime movers. Clockwise rotation direction aligns with standard right-hand drive arrangements. A SAE-C (127-2) mounting flange creates a standardized mechanical interface, and all ports use SAE patterns with UNC screws to simplify installation alongside North American hydraulic components.
Fluid exits through a SAE 1 1/4 in pressure port located on the top at 0°, a layout that shortens outlet lines and allows trapped air to escape during commissioning. Oil enters through a SAE 2 in suction port large enough to minimize inlet velocity and cavitation risk. The pump accepts hydraulic fluids spanning 13 to 860 mm²/s viscosity, giving reliable startup in cold conditions and stable lubrication at operating temperature. System cleanliness must be ISO 4406 20/18/15 or better to limit abrasive wear on internal surfaces. FKM seals are installed to withstand typical mineral oils and elevated temperatures encountered in continuous service.
Cleanliness Class
ISO 4406 20/18/15
Connections
SAE Ports, UNC Screws
Continuous Pressure
175 bar
Displacement
121.6 cm³/rev
Max Flow (1500 Min-1)
177 l/min
Max Speed (1 Bar Inlet)
1800 min-1
Min Speed
600 min-1
Mounting Flange
SAE-C (127-2)
Pressure Port
SAE 1 1/4 in
Pressure Port Position
Top (0°)
Rotation Direction
Clockwise
Seal Material
FKM
Suction Port
SAE 2 in
Viscosity (max)
860 mm²/s
Viscosity (min)
13 mm²/s
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