GNR Shanghai Oil-free SF6 gas compressors

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Utilities and substations

Recovery and refilling equipment for maintenance crews working to an outage window at a live substation.

An outage window is fixed in advance and cannot be extended because a compressor is slow. The useful specification here is therefore how much gas can be recovered to the required residual pressure within the window, not the headline flow rate.

Typical Applications

  • Portable sets a crew can move and set up
  • No oil contamination of recovered gas
  • Serviceable in the field

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Send us your duty point

Tell us the gas, the flow you need and the suction and discharge pressures. If a standard model fits we will say so; if it does not, the compressor and control design are tailored to the duty.