Edwards A65401906 RV8 Dual Stage 6.9 CFM Rotary Vane Vacuum Pump 115V or 220V

Manufacturer: Edwards Vacuum

Model: RV8

Condition: New. Ships directly from the manufacturer.

Estimated lead time: As of 2/20/23, currently out of stock. Ships in about 25-26 weeks from acceptance of order. 

Includes:

• Edwards RV8 two stage vacuum pump
• 1 litre of Ultragrade 19 oil,
• Inlet filter
• O-ring.

Fomblin® must be purchased separately for PFPE RV pumps.

Features:

• High reliability – generous lubrication of moving parts. 
• Safe process and systems – fast acting inlet valve for best in class anti‑suck back protection. 
• Configured to meet your vacuum needs – mode selector and two position gas ballast. 
• No unplanned downtime – designed for easy maintenance. 
• Better work environment – quiet running and intrusive frequencies minimised. 
• Two position gas ballast allows either 60 g/hr or a class leading 220 g/hr (290 g/hr on RV12) of water vapour to be handled. 
• Universal motor to cover the widest possible voltage and frequency range from a single variant. 
• Smooth controlled inlet valve opening by oil pressure to eliminate pressure surges. 
• Rapid closing inlet valve within 0.4 seconds of pump stopping.

Applications

• Analytical instruments
• Centrifuges, ultra-high speed
• Coating
• Degassing/curing – oil, epoxy resin
• Distillation/extraction/filtration
• Freeze drying
• Furnaces
• Gas bottle filling/emptying
• Gel drying
• Glove boxes, ovens
• Laboratory bench top vacuum
• Leak detectors, Helium
• Load locks and transfer chambers
• Refrigeration manufacture
• Research and development
• Rotary, centirfugal evaporators
• Scanning electron microscopes – SEM
• SEM/FIB (ion beam repair)
• Solvent recovery
• Surface science instruments
• Turbomolecuar backing pumps

Specifications

Displacement
50Hz	9.7 m3h-1 / 5.7 ft3min-1
60Hz	11.7 m3h-1 / 6.9ft3min-1
Speed (Pneurop 6602)
50Hz	8.5 m3h-1 / 5 ft3min-1
60Hz	10 m3h-1 / 5.9 ft3min-1
Ultimate pressure	2 x 10-3 mbar / 1.5 x 10-3 Torr
Ultimate pressure GB I	3 x 10-2 mbar / 2.3 x 10-2 Torr
Ultimate pressure GB II	6 x 10-2 mbar / 4.6 x 10-2 Torr
Ultimate pressure with Fomblin®	2 x 10-2 mbar / 1.5 x 10-2 Torr
Max inlet pressure for water vapour	38 mbar / 28.5 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 / 2.8 psig
Max allowed inlet and gas ballast pressure	0.5 bar gauge / 7 psig
Motor power 50/60Hz	450 / 550W
Power connector 1-ph	IEC EN60320 C13
Nominal rotation speed 50/60Hz	1500 / 1800rpm
Weight (without oil)	28 kg / 61.6 lb
Oil capacity min/max	0.45 / 0.75 litres
Recommended oil	Ultragrade 19
Inlet flange	NW25
Exhaust flange	NW25
Noise level	48 dB(A) @ 50 Hz
Operating temperature range	12 – 40 °C

Documents/Videos

Edwards RV Series Vacuum Pumps Brochure

Edwards Oil Sealed Rotary Vane Pumps by David Goodwin-Video