Vickers | PVB5-LSY21-CG20
PVB5 LSY21 CG20
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The PVB5 LSY21 CG20 pump from Vickers belongs to the PVB Piston Pumps series and is intended to supply pressurized flow in hydraulic automation. It provides a geometric displacement of 10.55 cm³ per revolution (0.64 in³ per revolution), giving a fixed volume with every shaft turn for predictable circuit performance. Rated flow reaches 18.9 L/min (5.0 gpm) at 1800 rpm, supporting actuators that need moderate delivery. Required input power is 13.0 kW (17.5 hp) at 1800 rpm and 210 bar, which guides motor sizing. A pressure-compensator control limits system pressure to the chosen setpoint to avoid overload. The design provides remote pressure adjustment so the setpoint can be varied without opening the housing. Drive coupling must accommodate anticlockwise shaft rotation to maintain proper pumping action.
This model handles mineral oil, water-glycol, or invert emulsion, letting users match the medium to fire-resistance or cost goals. Fluid entering the unit must meet ISO 18/14 cleanliness to minimize wear on internal parts. Outlet pressure can reach 210 bar (3000 psi) with standard fluids, while applications using HFA fluids are limited to 70 bar (1000 psi) because of reduced lubrication. Inlet pressure should remain below 1.0 bar (15 psi) to prevent vapor formation at the suction port. Ambient temperatures from −20 °C (−4 °F) to +70 °C (+158 °F) are permitted, allowing both cold-start and high-heat operation. Noise emission is 57 dB(A) at 1500 rpm and 35 bar, helping installations meet occupational sound targets. The displacement zone is located on one side of center, influencing how the mounting flange aligns with the drive shaft.
Technical Specifications
Control Type
Pressure Compensator
Displacement Zone
One Side Of Center
Fluid Cleanliness
ISO 18/14
Fluid Compatibility
Mineral Oil; Water Glycol; Invert Emulsion
Geometric Displacement
10.55 cm3/rev (0.64 in3/rev)
Input Power @ 1800 R/min, 210 Bar
13.0 kW (17.5 hp)
Max Ambient Temperature
+70 C (+158 F)
Max Inlet Pressure
1.0 bar (15 psi)
Max Outlet Pressure
210 bar (3000 psi)
Max Pressure With Hfa Fluids
70 bar (1000 psi)
Min Ambient Temperature
-20 C (-4 F)
Noise Level @ 1500 R/min, 35 Bar
57 dB(A)
Rated Flow @ 1800 R/min
18.9 L/min (5.0 gpm)
Remote Pressure Adjustment
Yes
Shaft Rotation
Anticlockwise
1620 Old Apex Road
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