Bosch Rexroth | PVV51-1X139-027RJ15UUMC
PVV51-1X/139-027RJ15UUMC
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The PVV51-1X/139-027RJ15UUMC pump is built by Bosch Rexroth and belongs to the PV Fixed Displacement Pumps series. It serves closed-loop hydraulic circuits that require stable output at defined rotational speeds. The unit turns clockwise, and torque is transmitted through a splined Code J drive shaft. The cover section displaces 27.4 cm³ per revolution while the flange section displaces 138.6 cm³ per revolution, allowing two separate flow ratings from a common shaft. At 1500 rpm the cover side delivers 39 L/min and the flange side supplies 203 L/min to connected actuators. The pump can be driven as slowly as 600 rpm for low-flow control and as fast as 1800 rpm when higher throughput is needed.
ISO 4406 cleanliness class 20/18/15 must be maintained to protect the sliding surfaces and control edges inside the PVV51-1X/139-027RJ15UUMC. Hydraulic lines attach through SAE ports that are secured with fifteen UNC screws, and the housing uses the 127-2 SAE-C flange to match standard motors. Overall mounting follows the SAE J744 flange pattern so it drops into existing power packs without adapters. The cover section tolerates 210 bar of continuous pressure, whereas the larger flange section is limited to 175 bar to prevent overstressing. HLP mineral oil as defined in DIN 51524-2 is the approved pressure fluid, routed through a bottom pressure port positioned 180 ° from the inlet to facilitate straightforward piping in horizontal reservoirs.
Technical Specifications
Cleanliness Class
ISO 4406 Class 20/18/15
Connections
SAE Ports, UNC Screws (15)
Direction Of Rotation
Clockwise (R)
Displacement (cover Side)
27.4 cm3/rev
Displacement (flange Side)
138.6 cm3/rev
Drive Shaft Type
Splined (Code J)
Flange Version
127-2 (SAE-C)
Flow @ 1500 Min-1 (cover)
39 l/min
Flow @ 1500 Min-1 (flange)
203 l/min
Max Continuous Pressure (cover)
210 bar
Max Continuous Pressure (flange)
175 bar
Max Speed
1800 min-1
Min Speed
600 min-1
Mounting Style
Flange Mounting To SAE J744
Pressure Fluid
HLP Mineral Oil (DIN 51524-2)
Pressure Port Position (flange)
Bottom (180 deg From Inlet)
1620 Old Apex Road
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