Vickers | PVB6-RSY-21-CM11
Pvb6 RSY 21 Cm11
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The Pvb6 RSY 21 Cm11 pump is produced by Vickers as part of the PVB Piston Pumps series and supplies pressurized fluid to hydraulic actuators in automated machinery. A CM pressure compensator control adjusts the swash plate to maintain stable flow as system demand changes. A geometric displacement of 13.81 cm³ per revolution together with a nominal displacement of 0.84 in³ per revolution sets the volume delivered each cycle for accurate actuator sizing. At its maximum shaft speed of 1800 r/min it achieves a rated flow of 22.7 L/min, matching common requirements for medium-size circuits. Clockwise rotation aligns with standard motor drives and eases coupling. The pump withstands outlet pressures up to 140 bar when AW oil is used, enabling medium-pressure operation, while inlet pressure must stay at or below 1.0 bar to avoid cavitation at the pistons.
The ambient temperature range extends from −20 °C to +70 °C so the unit can operate in unheated workshops or warm enclosures. With mineral oil the fluid may reach +80 °C, but it must be limited to +54 °C when water-containing fluids are employed to protect internal parts. Compatibility with AW oil, water glycol, and water-in-oil emulsions offers flexibility for fire-resistant or conventional hydraulic media. Noise emission is 52 dB(A) at 1000 r/min, 35 bar, and full flow, which helps meet industrial sound regulations. Displacement occurs on one side of center, identified by the S zone code, a configuration that affects internal port timing and housing layout. These environmental and fluid limits allow the pump to provide consistent service life in diverse hydraulic installations.
Technical Specifications
Ambient Temperature Max
+70 C
Ambient Temperature Min
-20 C
Compatible Fluids
AW Oil; Water Glycol; Water-in-Oil Emulsion
Control Type
CM Pressure Compensator
Displacement (in3/rev)
0.84 in3/rev
Displacement Zone
One Side Of Center (S)
Geometric Displacement
13.81 cm3/rev
Max Fluid Temp (mineral Oil)
+80 C
Max Fluid Temp (water-containing)
+54 C
Max Inlet Pressure
1.0 bar (15 psi)
Max Outlet Pressure (aw Oil)
140 bar (2000 psi)
Max Shaft Speed
1800 r/min
Noise (1000 R/min, 35 Bar, Full Flow)
52 dB(A)
Rated Flow @ 1800 R/min
22.7 L/min (6 gpm)
Rotation
Clockwise (R)
1620 Old Apex Road
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