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Edwards RV8 High Performance Rough Pumps

Edwards RV8 High Performance Rough Pumps
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Price: 5565.6
Product ID : A65401906
A65401906 RV8 with 110/220 Universal Motor

Enhanced Performance for Analytical Instrumentation


To meet the requirements for high throughputs with low ultimate vacuum, Edwards has developed a totally new concept in rotary vacuum pumps. The world's first dual-mode pump.

The unique dual-mode action allows you to easily configure the unit to pump very high gas loads and also achieve excellent vacuum - all from a single pump. In most cases it increases performance at significantly reduced noise levels.

This radical operation is matched by innovative design features including a cartridge based pumping mechanism incorporating advanced new materials, a fully featured Edwards motor and a fast acting inlet valve to seal the pump for suck-back protection.

The pumps are easy to install, use and maintain with superior built quality to give lowest cost of ownership. To build a pump this advanced, Edwards has invested heavily in state-of-the-art manufacturing and assembly technology in a dedicated ISO9001 factory.

To meet the stringent requirements for ever quieter environments we have built into the Edwards RV range the results of an extensive program of noise research into the Pump, drive train and motor. This has reduced both overall noise levels and improved the subjective quietness by "tuning out" those frequencies which are both intrusive and irritating. Before shipment each pump is tested in a quiet room using a noise spectrum analyzer.

Easy Installation

Edwards RV - easy to install, use and maintain

Installation is easy as all Edwards RV pumps feature a special dual voltage, dual frequency motor with an IEC mains input socket. Simply plug in the appropriate cable. No need for hard wiring. An on/off switch controls the pump.

Motor voltage is determined by a simple rocker switch, enabling the pump to be easily configured for use internationally.

All controls are clearly marked and have large finger grips for ease of use. Inlet and outlet are both fitted with standard NW25 flanges.

No special tools are required for servicing. The shaft seal can be changed or repositioned without dismantling the pump. Easy dismantling for cleaning is a feature. In addition, we provide service kits of guaranteed Edwards parts.


  • Selectable dual mode
    • high vacuum for best pressure
    • high throughput mode for continuous inlet pressure above 50 mbar
  • Easy to use gas ballast
  • ON-OFF switch on pump
  • Low Noise Level: 48 dbA
  • All pumps factory tested and certified
  • Easy to service and maintain>
  • High torque, dual voltage, dual frequency motor


Note: The vacuum pump accepts both 110 VAC and 220 VAC power when using an appropriate power cable.
Please specify the desired cable for your country when ordering.
Otherwise, a 110 VAC North American (NEMA 5-15) power cable is provided.

Displacement (swept volume) M3h-1 RV8
  50Hz 9.7
  60Hz 11.7
Speed (Pneurop) m3h-1  
  50Hz 8.5
  60Hz 10.0
Ultimate vacuum (total pressure) mbar - high vacuum mode  
  gas ballast 0 2x10-3
  gas ballast I 3x10-2
  gas ballast II 6x10-2
Ultimate vacuum (total pressure) mbar - high throughput mode  
  gas ballast 0 3x10-2
  gas ballast I 4x10-2
  gas ballast II 6x10-2
Ultimate vacuum (partial pressure) mbar - high throughput mode  
  gas ballast 0 10-4
Maximum water vapour pumping rate kgh-1 1ph (3ph)  
  gas ballast I 0.06 (0.04)
  gas ballast II 0.22 (0.12)
Maximum permitted pressure at outlet - bar gauge  
Inlet connection   NW25
Outlet connection   NW25
Max. weight kg (without Oil)   26.0
Noise dB (A) 50Hz. I ph 48
Motor power (W) 50Hz. 250
Motor power (W) 60Hz. 550
Oil capacity (litre) max. 0.75
Oil capacity (litre) min. 0.45


RV8 470 158 221 161 35 78 230 120 69 42 19 261

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