Vickers | PVQ32-B2R-SS1S-21-CM7D-1
PVQ32-B2R-SS1S-21-CM7D-1
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The PVQ32-B2R-SS1S-21-CM7D-1 piston pump belongs to the PVQ Piston Pumps series produced by Vickers for mobile and industrial hydraulic automation. It delivers 32.9 cm³ per revolution, so every shaft turn moves a defined volume of oil into the circuit. When driven at its rated speed of 1800 rpm, the pump outputs 59.2 L/min, supplying actuators that need moderate continuous flow. A continuous operating limit of 140 bar establishes the maximum working pressure that components downstream must tolerate. The compensator is preset to 70 bar, allowing the unit to cut back displacement once system pressure reaches that threshold and thereby reduce heat generation. An adjustable maximum displacement stop lets maintenance staff restrict stroke length to match specific flow targets. Driving power of up to 15.6 kW is required, guiding motor sizing and electrical supply planning.
The shaft rotates clockwise when viewed from the drive end, aligning with right-hand prime movers common in hydraulic power units. A straight keyed SAE B shaft measuring 2.31 in in length transfers torque without slippage. The SAE J744 101-2 flange places the housing on standard B-size mounts for consistent alignment. Side ports with SAE O-ring connections and 1.625 in inlet and outlet openings ease hose routing and sealing. Buna-N sealing elements confine fluid and tolerate standard petroleum-based oils. Allowable inlet pressure is 2 bar, while inlet vacuum must not drop below 0.2 bar, both limits preventing cavitation at high speeds. Internal leakage return is restrained by a maximum case pressure of 0.35 bar to avoid damaging the shaft seals. Finally, a mass of 14 kg aids in determining lifting methods and bracket strength during installation.
Technical Specifications
Approximate Weight
14 kg (31 lb)
Compensator Setting
70 bar
Displacement
32.9 cm³/rev
Input Shaft
Straight Keyed SAE B, 2.31 in long
Max Displacement Stop
Adjustable
Maximum Case Pressure
0.35 bar
Maximum Inlet Pressure
2 bar (30 psig)
Maximum Inlet Vacuum
0.2 bar (5 in Hg)
Maximum Input Power
15.6 kW
Mounting Flange
SAE J744 101-2 (SAE B)
Output Flow (1800 Rpm)
59.2 L/min
Ports
SAE O-Ring Side, 1.625 in inlet/outlet
Rated Pressure
140 bar
Rated Speed
1800 rpm
Rotation (shaft End)
Right-Hand (CW)
Seal Material
Buna-N
1620 Old Apex Road
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