Application area

  • Refilling SF₆ gas from cylinders into the gas chamber of switchgear and pressure vessels

Applicable standards

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

Features

  • Hose & connections
    – Standard rubber hose, DN8 diameter, 5 m length
    – Bottle connector: W21.8 × 1/14″ (German standard)
    – Refilling couplings: DN8/DN20
  • Pressure regulation
    – High-pressure valve range: 0–250 bar
    – Low-pressure valve range: 0–10 bar
  • Optional accessories
    – Stainless-steel hose (DN13) with customizable lengths (3 m, 10 m or user-specified)
    – Alternative bottle connectors (e.g., CGA590 American standard) and bespoke coupling configurations

This portable kit delivers precise, on-site SF₆ refilling with robust pressure control and optional filtration for high-purity applications.

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