Bosch Rexroth | PVV21-1X040-036RA15DRMB
PVV21-1X/040-036RA15DRMB
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The PVV21-1X/040-036RA15DRMB pump belongs to the PV Fixed Displacement Pumps series produced by Bosch Rexroth for hydraulic automation where a constant output is required. It turns clockwise, so drive coupling must match that rotation. Two pumping elements are integrated; the cover side displaces 36.4 cm³ for every revolution while the flange side moves 40.1 cm³ per revolution, allowing dedicated circuits to receive different volumes from one housing. At a reference speed of 1500 rpm the cover section delivers 53 l/min and the flange section supplies 59 l/min, providing predictable flow for actuators and control valves. Continuous operating limits are set at 210 bar on the cover outlet and 175 bar on the flange outlet, so system components must be rated accordingly. Fluid enters through a SAE 2 1/2 in suction port that minimizes inlet restriction during high volume operation.
Energetic applications can run the unit up to 1800 rpm with an inlet pressure of 1 bar, giving designers flexibility in speed selection. For straightforward pipe routing, the cover pressure port sits on the right side at 90° from the inlet, whereas the flange pressure port is on the top at 0°, so hoses can be separated and secured independently. The cover port uses a SAE 3/4 in connection and the flange port is sized at SAE 1 in, permitting each circuit to be fitted with lines that match its expected flow. NBR sealing is employed to resist common hydraulic oils and maintain leak-free service over temperature shifts. The complete assembly weighs 20 kg, which influences mounting provisions and support brackets in compact power units.
Technical Specifications
Direction Of Rotation
Clockwise
Displacement (cover Side)
36.4 cm³/rev
Displacement (flange Side)
40.1 cm³/rev
Flow @1500 Rpm (cover)
53 l/min
Flow @1500 Rpm (flange)
59 l/min
Max Continuous Pressure (cover)
210 bar
Max Continuous Pressure (flange)
175 bar
Max Speed (1 Bar Inlet)
1800 rpm
Pressure Port Position (cover)
Right (90° from inlet)
Pressure Port Position (flange)
Top (0° from inlet)
Pressure Port Size (cover)
SAE 3/4 in
Pressure Port Size (flange)
SAE 1 in
Seal Material
NBR
Suction Port Size
SAE 2 1/2 in
Weight
20 kg
1620 Old Apex Road
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