RF-391T Service Cart

Application area

• Medium- and low-voltage GIS cubicles (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: Handling procedures for SF₆ and its mixtures

Features

High-capacity recovery & filling

30 m³/h oil-free compressor; 31.3 m³/h vacuum compressor (final vacuum ≤ 1 mbar); 5 m³/h booster; 100 – 120 kg/h recovery rate; 5–8 min fill time for 40 L cylinder

Advanced gas treatment

dual dry and particle filters (≤ 1 µm) plus integrated 3-phase refrigeration unit for rapid liquefaction

Intuitive control & safety

touchscreen interface with digital vacuum gauge/sensor; negative-pressure recovery mode; anti-return valve to prevent oil backflow

Robust, turnkey design

300 L storage tank; dimensions 2030 × 1230 × 1260 mm; 1200 kg; AC 380 V, 50/60 Hz power supply

Optional extras

automatic self-loading device; recovery/refilling hoses; bespoke cooling methods and configurations