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The PVQ20 B2R SE1S 21 piston pump is manufactured by Vickers and belongs to the PVQ Piston Pumps series, serving automated hydraulic systems that need consistent flow at moderate pressure. Its geometric displacement is 21.1 cm³ per revolution, defining the volume of oil delivered each shaft turn. When driven at the rated speed of 1800 r/min, the unit produces 38 L/min of output flow, allowing accurate sizing of downstream actuators. The rated input power is 14.9 kW, which establishes the motor capacity required for continuous duty. System loading is limited by a maximum pressure of 210 bar, so relief devices must be set below this value. Clockwise rotation is fixed, making the pump compatible only with right-hand drive arrangements.
Mechanical installation is handled by an SAE J744 101-2 mounting flange that mates with standard B-frame motors, while a straight keyed SAE B input shaft measuring 2.31 in long transmits torque into the rotating group. Rear ports sized at 1.625 in with SAE O-ring connections provide a sealed path for both inlet and outlet lines. Buna-N seals are fitted to contain petroleum-based fluids within typical temperature ranges. Internal case pressure must be kept below 0.35 bar to prevent leakage past the shaft seals and drain ports. The housing is supplied without a thru-drive, so no auxiliary pump or accessory can be mounted in tandem.
Case Pressure Max
0.35 bar (5 psig)
Geometric Displacement
21.1 cm3/rev (1.290 in3/rev)
Input Shaft
Straight Keyed (SAE B), 2.31 in long
Max Input Power (rated)
14.9 kW (20 hp)
Maximum Pressure
210 bar (3000 psi)
Mounting Flange
SAE J744 101-2 (SAE B)
Output Flow (1800 R/min)
38 L/min (10 gpm)
Ports (rear, Sae O-ring)
1.625 in inlet & outlet
Rated Speed
1800 r/min
Rotation
Right-Hand (CW)
Seals
Buna-N
Thru-drive
None
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