Single Stage Rotary Piston Pump

Single Stage Rotary Piston Pump

Rugged belt-driven single stage oil sealed, rotary piston vacuum pump

HHV Pumps CP Series pumps are built top work under strenuous working conditions with consistent vacuum performance. CP Series pumps are long lasting in the field which makes them a work horse. These pumps are designed for rough and mediun vacuum applications. CP Series pumps are maintenance free and reliable in operation ensuring lowest cost of ownership.


  • Robust
  • Water cooled for continuous operation
  • Built - in anti-suck back preventing oil bask stream
  • Built - in gas ballast feature for pumping condensable vapours
  • Rugged in construction for reliable performance
  • Proven operation in various applications
  • Performance testing in accordance web Pneurop 6602


  • Distillation
  • Drying
  • Furnace
  • Impregnation
  • Metal film coaling

Dimensional Details

Technical Specifications

Particulars Unit CP250
Nominal Pumping Speed @ 50Hz m3 / hr(L/min) 250(4100)
Ultimatacuum (Gas Ballast Closed) mbar (Torr) 1*10-2 (7.5*10-3)
Ultimate vacuum (Gas Ballast Open) mbar (Torr) 1*10-1 (7.5*10-2)
Pump Rotational Speed at no load @ 50Hz rpm 560
Max. Nominal Power Rating @ 50Hz kW (HP) 5.5 (7.5)
Weight kg (lb) 720 (1584)
Inlet connection Flange ISO Dia75
Outlet connection Hz Nozzle OD 56mm
Oil capacity Lts 12
Recommended Oil HHVP make MD505
Electrical 3P 380 - 440V (50Hz)

Performance Curves