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The PVB6-FRS-40-CM-12 is a variable axial piston pump in the PVB Piston Pumps series produced by Vickers for hydraulic automation where adjustable flow and compact size are required. It employs a pressure compensator control (CM) so delivery is reduced once system pressure reaches the set point, preventing energy loss. Geometric displacement is 13.81 cm³ per revolution, which defines the volume moved each shaft turn and guides sizing for actuators. Rated flow reaches 22.7 L/min at 1800 r/min, supplying steady oil volume for medium-duty circuits. Clockwise rotation simplifies coupling to standard right-hand prime movers. The displacement zone is limited to one side of center, meaning the swashplate only tilts in the delivery direction to streamline control response. Maximum shaft speed is 1800 r/min, establishing the mechanical limit for continuous operation and matching common electric motor outputs.
Input power at the rated point is 26.1 kW, indicating the drive size needed to run the pump without overload. Maximum outlet pressure is 140 bar, defining the highest working pressure the housing and pistons can sustain. Maximum inlet pressure is 1.0 bar, so the supply line must remain near atmospheric to avoid bearing overload. Fluid temperature may reach +80 °C with mineral oil, while ambient temperature is permitted from −20 °C up to +70 °C; these limits ensure seal integrity and viscosity control. Noise level is 66 dB(A) at 1500 r/min and 140 bar, helping designers assess enclosure requirements for operator comfort.
Control Type
Pressure Compensator (CM)
Displacement Zone
One Side Of Center (S)
Geometric Displacement
13.81 cm3/rev (0.84 in3/rev)
Input Power @ Rated
26.1 kW (35 hp)
Max Ambient Temperature
+70 C (+158 F)
Max Fluid Temperature
+80 C (+176 F) (Mineral Oil)
Max Inlet Pressure
1.0 bar (15 psi)
Max Outlet Pressure
140 bar (2000 psi)
Max Shaft Speed
1800 r/min
Min Ambient Temperature
-20 C (-4 F)
Noise @1500 R/min, 140 Bar, Full Flow
66 dB(A)
Pump Type
Variable Axial Piston
Rated Flow @1800 R/min
22.7 L/min (6.0 gpm)
Rotation
Clockwise (R)
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