- Model GRU-4 Series - SF6 Gas Recovery Unit



ENERVAC’s latest SF6 Gas Recovery Unit incorporates a new and improved high pressure,totally oil-less compressor capable of 1000 psig (7 MPag) of pressure. This new technology allows for liquefaction of SF6 gas even in the warmer climates typical of the southern United States.The cart is ideally suited for servicing small volume SF6 equipment. All processes required for servicing SF6 equipment can be performed including gas removal, temporary storage, contaminant filtration to 0.1 micron, gas purification and drying, equipment evacuation and equipment re-pressurization. The cart is also ideally suited for consolidating partially-used SF6 bottles into one bottle.

  • Recover and purify SF6
  • Evacuate air and moisture prior to filling
  • Consolidate SF6 cylinders
  • Store SF6 in liquid state in onboard storage or auxiliary bottles
  • Regulated filling of SF6 equipment
  • Purification of SF6 (removes particles, moisture, and SF6 decomposition products)

Height: 46” (1170 mm)
Width: 22” (560 mm)
Depth: 24' (610 mm)
Weight: 225lbs (103kg)

120v-1PH -60 Hz
220V-1PH -50/60 Hz

Designed for breakers up to 69 kV
SF6 gas transfer rates up to 19lbs/8.5kgs per hour
Optional SF6 recovery to 99.9%
Vacuum pump for evacuation of air & moisture 6 CFM (10 m3 /hr) <1 mbar 10 CFM (17 m3 /hr) <1 mbar

  • Mounted of a convenient hand cart with 10' (250mm) pneumatic tires for ease of movement
  • Very easy to operate - only two valves to switch operating modes
  • High pressure, direct-drive oil-less compressor with 1000:1 compression ratio (capable of 1000psi – 69 bar)
  • Capable of liquid SF6 storage
  • Purifies, dries and filters to 0.1 microns during recovery and re-pressurization
  • Filters are easily changed without disconnecting any tubing or using any special tools
  • Auxiliary connection allows for infinitely expandable storage through use of external tanks
  • Comes complete with 9.8ft / 3m hoses and power cable
  • Colour change moisture indicator to monitor moisture in gas

  • Stainless Steel Fittings instead of copper/brass for better corrosion resistance
  • Increase vacuum pump to 10CFM (17m3/hr) from 6CFM (10 m3/hr) for faster evacuation of air and moisture
  • Tank heater
  • Insulation blanket for storage tank

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