- Model GRU-7 Series - SF6 Gas Recovery Unit



Whether you are looking for fast processing speed, better than 99.6% SF6 recovery, a 100% oil-less system, unlimited storage capacity, easy single valve operation, or portability, you will find it with the Enervac GRU-7. We developed the GRU-7 for our customers who found they needed more storage and recovery capacity than smaller handcart mounted units, but without the bulk and high price of a large skid or trailer mounted unit.


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


  • Mounted on a compact cart with 16' (400 mm) pneumatic tires for ease of movement in gravel switchyard environments
  • Easy to operate - single valve 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
  • Mounted on a cart with casters and rack for storage up to three SF6 storage bottles (total onboard storage up to 350lbs/160kg) - 660lbs/300kg with optional storage tank
  • 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
  • Weigh scale for accurate measurement of SF6
  • Custom supply voltages

Height: 62” (1575mm)
Width: 40” (1015mm)
Depth: 58” (1470mm)
Weight: 350lbs (150kg)

110V-1PH -60Hz or
220V-1PH -50/60Hz

Designed for breakers up to 132kV
SF6 gas transfer rates up to 55lbs/25kgs per hour
SF6 Recovery to 99.6% optionally to 99.9%
Vacuum pump for evacuation of air 10CFM (17 m3/hr) <1 mbar

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