Application: TKQH-SF6 Series vacuum pumping and inflation device is mainly used for vacuum pumping and vacuum degree determining of magnetic pole SF6 circuit breaker transformer and other SF6 electric appliances when installation operation and maintenance. The entire SF6 gas inflation and vacuum pumping device comprises a vacuum pump a pointer type vacuum gauge a regulating valve a gas transmission pipe and a valve and SF6 circuit breaker necessary control components for maintaining. Features: Quick pumping. Regulate pressure to inflate. Solid structure. High precision thermocouple vacuum gauge.