Application area

  • Medium GIS (10 kV – 40.5 kV)
  • Porcelain and dead-tank circuit breakers at 72.5 kV, 110 kV, 220 kV, 330 kV and 500 kV
  • SF₆-insulated switchgear and compact substations

Applicable standards

  • DL/T 662 – Specification for SF₆ gas refilling and recovery devices
  • IEC 62271-4 – High-voltage switchgear and controlgear, Part 4: Handling procedures for SF₆ and its mixtures

Features

  • Rapid SF₆ cycle: Recovers gas to < 1 mbar, liquefies and stores it, then refills a 40 L cylinder in 5 – 8 minutes
  • High-capacity pumping: 15 m³/h oil-free compressor, 15 m³/h vacuum pump, 5 m³/h booster for efficient liquid SF₆ handling
  • Advanced purification: Dual dry and particle filters (≤ 1 µm) with integrated refrigeration for superior gas purity
  • Intuitive control & safety: Touch-screen interface with digital vacuum gauge, negative-pressure recovery mode and anti-return valve
  • Customizable options: 64 m³/h vacuum pump (< 0.1 mbar), 300 L or 600 L storage tanks (with weighing function), recovery/refilling hoses, bespoke cooling methods, self-loading device

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