Application area

  • Evacuation of air and refilling of SF₆ gas from cylinder into switchgear compartments 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

  • Integrated vacuum & refill:
    – Vacuum pump 16 m³/h (50 Hz, final < 5 mbar) or 19 m³/h (60 Hz, final < 1 mbar)
    – Refills SF₆ directly from cylinder to equipment
  • Portable cylinder-cart design:
    – Manual control panel with digital vacuum gauge/sensor
    – Anti-return valve on vacuum pump to prevent oil backflow
  • Power & accessories:
    – AC 220 V, 50 Hz, single-phase (custom voltages optional)
    – Includes 3 m DN13 refilling hose with DN20 coupling, ball-valve connector and vacuum outlet hose
    – Optional: cylinder heating device, weighing system, alternative cylinder connectors (US/Germany standard)
  • Compact & robust:
    – Dimensions 750 × 600 × 1460 mm; weight 85 kg; bright orange finish for visibility

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