Vickers | PVB15-FRSY-31-CM-11
PVB15-FRSY-31-CM-11
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The PVB15-FRSY-31-CM-11 piston pump is manufactured by Vickers for the PVB Piston Pumps series and supplies hydraulic flow in automated machinery. Its fixed displacement of 33 cm³ per revolution determines the volume delivered per shaft turn, while a continuous rated speed of 1800 RPM matches common electric motor drives. Right-hand shaft rotation allows direct coupling to clockwise prime movers used in power units. A nominal working pressure of 230 bar supports standard circuit loads, and a 280 bar peak limit permits brief pressure surges without damage. The pressure compensator is set to 10 bar so the pump unloads when system demand drops. When inlet pressure is 0.8 bar absolute the permissible speed is 1600 RPM to avoid cavitation, and an inlet pressure of 1.0 bar absolute allows 2000 RPM for higher output.
A bearing life of 8000 hours at rated pressure defines the overhaul interval for the rotating assembly. Case pressure can reach 140 bar, so the drain circuit must withstand that level, and the maximum case-drain temperature of 176 °F protects internal seals from thermal degradation. The unit works with hydraulic oils between 13 cSt and 54 cSt to maintain lubrication and control leakage. Acoustic emission is 51 dB, supporting compliance with factory noise limits. An overall length of 10.49 in simplifies placement inside compact reservoirs, and a weight of 33 lb permits installation without additional structural bracing.
Technical Specifications
Bearing Life At Rated Pressure
8000 hour
Displacement
33 cm³/rev
Input Speed At 0.8 Bar Abs
1600 RPM
Input Speed At 1.0 Bar Abs
2000 RPM
Maximum Case Drain Temperature
176 °F
Maximum Case Pressure
140 bar
Maximum Oil Viscosity
54 cSt
Minimum Oil Viscosity
13 cSt
Noise
51 dB
Nominal Pressure
230 bar
Peak Pressure
280 bar
Pressure Compensator Setting
10 bar
Product Length
10.49 in
Product Weight
33 lb
Rated Speed
1800 RPM
Shaft Rotation
Right
1620 Old Apex Road
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