Bosch Rexroth | PVV51-1X193-027RA15DDMC
PVV51-1X/193-027RA15DDMC
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The PVV51-1X/193-027RA15DDMC pump is part of the PV Fixed Displacement Pumps series from Bosch Rexroth and supplies a fixed volume of oil for hydraulic automation circuits. Its rotation is clockwise, so drives must be configured accordingly. The flange side displacement is 193.4 cm³ per revolution, providing a large volume for primary actuators. A continuous pressure limit of 175 bar on this side defines the maximum working load without overheating or premature wear. When driven at 1500 rpm, the flange side delivers up to 285 l/min, supporting high-flow systems such as press drives. An SAE-C mounting flange aligns the housing with standard industrial motors, while the flange side pressure port uses an SAE 1 1/2 in thread to accommodate high flow rates. The suction port on this side is SAE 3 1/2 in, allowing low inlet velocity to reduce cavitation. The unit weighs 43 kg, which affects lifting and bracket design during installation.
The cover side complements the main section with a displacement of 27.4 cm³ per revolution, making it suitable for auxiliary functions that need lower flow. Its continuous pressure rating rises to 210 bar, permitting higher force on smaller cylinders. At 1500 rpm, the cover side provides 39 l/min, enough for pilot circuits or lubrication lines. The pump can run up to 1800 rpm when inlet pressure is at least 1 bar, and it should not drop below 600 rpm to maintain internal lubrication. HLP mineral oil conforming to DIN 51524-2 is the specified hydraulic fluid, ensuring viscosity and oxidation stability within the design parameters. NBR seals contain the fluid and resist swelling in mineral oil, extending service life. Together, these characteristics let the cover stage operate independently yet reliably within the same housing as the high-flow flange side.
Technical Specifications
Direction Of Rotation
Clockwise (R)
Displacement (cover Side)
27.4 cm3/rev
Displacement (flange Side)
193.4 cm3/rev
Hydraulic Fluid
HLP mineral oil (DIN 51524-2)
Max Continuous Pressure (cover)
210 bar
Max Continuous Pressure (flange)
175 bar
Max Flow At 1500 Rpm (cover)
39 l/min
Max Flow At 1500 Rpm (flange)
285 l/min
Max Speed
1800 rpm (at 1 bar inlet)
Min Speed
600 rpm
Mounting Flange
SAE-C
Pressure Port (cover Side)
SAE 3/4 in
Pressure Port (flange Side)
SAE 1 1/2 in
Seal Material
NBR (M)
Suction Port (flange Side)
SAE 3 1/2 in
Weight
43 kg
1620 Old Apex Road
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