Vickers | PVQ40B2RSS4F20C21V11B13
PVQ40B2RSS4F20C21V11B13
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The PVQ40B2RSS4F20C21V11B13 piston pump belongs to the PVQ Piston Pumps series and is produced by Vickers for closed-loop hydraulic automation tasks. It delivers variable displacement of 41.0 cm³ per revolution so circuits can match flow to actuator demand. A rated operating speed of 1800 rpm allows the unit to pair with common industrial electric motors. At that speed it outputs 73.8 L/min, supplying medium-size manifolds and directional valves with steady oil volume. Driving the pump at maximum pressure requires 27.6 kW, information used when sizing prime movers and drive couplings. Power is transmitted through a splined SAE B-B 15T 16/32 DP input shaft that fits standard B size drive hubs. The right-hand clockwise rotation aligns with engines or motors configured for conventional orientation. A SAE J744 101-2 mounting flange lets installers bolt the housing directly to compatible bell housings without adapters. The assembly weighs 20.6 kg, which keeps lifting equipment requirements moderate during installation or service.
The integral compensator is factory set to 210 bar so the pump automatically destrokes when system pressure reaches that limit. A load-sense differential of 11 bar permits fine control of outlet flow as downstream pressure changes. Internal case pressure must stay below 0.35 bar to protect shaft seals and bearing surfaces from excessive back pressure. Allowable inlet pressure rises to 2 bar, enabling flooded suction arrangements that reduce cavitation risk. When the source tank is below the pump centerline, an inlet vacuum limit of 5 in Hg defines the maximum permissible lift. SAE O-Ring side ports simplify hose routing and ensure reliable, leak-free connections to the pressure and suction lines. Fluorocarbon seals resist hot petroleum-based fluids and extend service intervals in high temperature environments. The unit includes a bleed-down orifice, which drains residual pressure quickly after shutdown to ease restart and maintenance.
Technical Specifications
Approximate Weight
20.6 kg (45.4 lb)
Bleed-down Orifice
With
Case Pressure Max
0.35 bar (5 psig)
Compensator Pressure Setting
210 bar (3000 psi)
Displacement
41.0 cm³/rev (2.500 in³/rev)
Inlet Pressure Max
2 bar (30 psig)
Inlet Vacuum Limit
5 in Hg (0.2 bar)
Input Power At Max Pressure
27.6 kW (37 hp)
Input Shaft Type
Splined SAE B-B 15T 16/32 DP
Load-sense Differential
11 bar (160 psi)
Mounting Flange
SAE J744 101-2 (SAE B)
Output Flow @ 1800 Rpm
73.8 L/min (19.0 gpm)
Port Type And Location
SAE O-Ring Side Ports
Rated Speed
1800 rpm
Rotation
Right-Hand (CW)
Seal Material
Fluorocarbon
1620 Old Apex Road
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