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RV12 Edwards Two-Stage Rotary Vane Pump, 110/220V 1-ph, 50/60 Hz - EQ-Edwards-RV12-LD

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Item Number: EQ-Edwards-RV12-LD
This is Edwards RV12 high performance two stage rotary vane pump with SS vacuum bellows, quick clamps and a right angle valve.

Model EQ-Edwards-RV12
Nominal pumping speed
  •  @50Hz  14.2 m3h-1 / 8.4 ft3min-1
  •  @60Hz   17 m3h-1 / 10 ft3min-1
Pneurop 6602 pumping speed
  • 12 m3h-1 / 7.1 ft3min-1   @50Hz  
  • 14.2 m3h-1 / 8.4 ft3min-1 @60Hz
Ultimate total pressure  2 x 10-3 mbar / 1.5 x 10-3 Torr
Ultimate total pressure GB I 3 x 10-2 mbar / 2.3 x 10-2 Torr
Ultimate total pressure GB II 6 x 10-2 mbar / 4.6 x 10-2 Torr
Max inlet pressure for water vapour 32 mbar / 24 Torr
Max water vapour pumping rate – GB I 60 gh-1
Max water vapour pumping rate – GB II
220 gh-1
Max allowed outlet pressure 0.2 bar gauge / 2.PSIGi
Max allowed inlet and gas ballast pressure 0.5 bar gauge / 7 psig
Power supply 110 or 220 VAC Single Phase selectable, 50/60 Hz 
Motor power 50/60Hz 450 / 550W
Power connector 1-ph IEC EN60320 C13
Nominal rotation speed 50/60Hz 1500 / 1800rpm
Oil capacity min/max 0.45 / 0.75 litres
Vacuum  Pump Oil 32 Oz high quality oil is included for immediate use ( click picture below to order spare) 
Inlet/Exhaust flange DN25 ISO-KF
Motor Rating 0.45/0.55 KW
Weight (without oil) 29 kg / 63.8 lb
Operating temperature range 12 – 40 °C
Noise level 48 dB(A) @ 50 Hz
  • 48 dB(A) and intrusive frequencies minimised.
  • Dual mode. Suitable for high throughput and high vacuum applications.
  • Easy-to-use gas ballast.
  • Fast acting inlet valve for system protection.
  • High torque, dual voltage/dual frequency motor, electronic start relay.
  • Efficient high pressure lubrication.
  • Oil-tight with printed gaskets, effective shaft seals.
  • Clamped-in sight glass.
  • Oil box well contains filling spills.
  • Hi-tech polymer blades, large diameter, easy-clean oil passages.
  • Consistent, built-in quality, cast bar construction.

1. High vacuum mode, gas ballast = 0
2. High throughput mode, gas ballast =0 and high vacuum mode, gas ballast =1
3. High vacuum and throughput modes, gas  ballast =II

Attention: Improper use will cause all claims for liability and warranties to be forfeited. Improper use is deemed to be all use for purposes deviating from those mentioned in below, especially: 

  • Pumping of corrosive or explosive media.
  • Pumping of condensing vapors.
  • Pumping of liquids.
  • Pumping of dusts.
  • Operation with improper high levels of insulated heat input.
  • Operation in potentially explosive areas.
Application Notes

When using vacuum pumps, it is recommended that Traps & Filters are used to minimize exhaust, protect the specimen environment and also the vacuum pump itself.

Compliance  Approved 

ATEX approved motors
  • To protect the environment & human health, please use Traps & Filters to minimize exhaust. 
  • To protect vacuum pump from damage by condensed vapors or small particles, please connect a cold trap or particle trap to the pump foreline ( click on the pictures below for details ).

EQ-Edwards-RV8-LD Included accessories

Part No.

Product Name




Vacuum bellows with KF-D25 adaptor (1m)


Quick Clamp with Rubber O-Ring for KF-D25 Vacuum adaptor


KF25 Vacuum Right-Angle Valve

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3. The prices listed are subject to change without notice.