Functional use
QQK-16 quick-discharge valve is a pneumatically controlled differential pressure type quick-discharge valve. It is mainly used for the pantograph system of the subway. It mainly controls the lifting and lowering of the pantograph in the pantograph system, and can adjust the pantograph. Lifting speed.
Main performance parameters
1) Rated working pressure: 750KPa ~ 900KPa
2) Working pressure range: 400KPa ~ 1000KPa??
3) Working life: ≥ 85000 times
Application model
Product material code: 6960004970
Main application system: TSG14
Main application models: Guangzhou Railway No. 3 Line.