The device complies with the DL/T662-1999 "SF6 Gas Charging and Recovery Device" standard. It consists of a vacuum pump, pointer vacuum gauge, regulating valve, gas transmission pipe, and necessary valves and instrument control components for maintaining SF6 circuit breakers. It has the following main functions:
1. Vacuum pumping and vacuum measurement for SF6 electrical equipment;
2. Gas charging for SF6 electrical equipment.
RTQC Vacuum Pumping and Charging Device
RTQC Vacuum Pumping and Charging Device
Industry Common Names
SF6 vacuum pumping and charging device, SF6 vacuum pumping device, SF6 gas vacuum pumping device.
Product Features
l High efficiency in vacuum pumping and charging, low energy consumption
l Power supply equipped with automatic phase sequence conversion system
l High-precision thermocouple vacuum gauge, simple and practical
l Advanced design, complete functions, reasonable structure, simple and clear operation
l The control system adopts the latest technology SF6 special valves
l The equipment adopts a mobile structure, convenient for on-site use, easy to move, and does not damage the ground
l Small overall size, light weight, low noise
1. The ultimate vacuum degree of the device is less than 10Pa
2. The annual leakage rate of the device is less than 1%
3. The charging system pressure is less than 0.8Mpa
Series Models
Type 4
Vacuum pump speed
4 liters/second (14.4m3/h)
Type 8
Vacuum pump speed
8 liters/second (28.8m3/h)
Type 15
Vacuum pump speed
15 liters/second (54m3/h)
Type 30
Vacuum pump speed
30 liters/second (108m3/h)
Type 70
Vacuum pump speed
70 liters/second (252m3/h), optional Roots pump unit
Type 150
Vacuum pump speed
150 liters/second (540m3/h), optional Roots pump unit
Main configuration:
Vacuum pump: R5--0040 rotary vane vacuum pump (Germany)
Vacuum gauge: high-precision thermocouple vacuum gauge
Valves: stainless steel precision ball valves
Connecting pipes: 2 high-pressure pipes


