The strictest definition of "block valve" (or shutoff valve) refers to it as "any valve that has the capacity to block movement in one or more directions." Usually, however, people use the term when referencing a valve that can totally prevent or allow motion.
Guangzhou TENGE Auto Parts Co.,Ltd. is founded in 2013, a professional manufacturer of air suspension shocks,air springs and other suspension accessories,especially for european car Mercedes-Benz,BMW,Audi,Volkswagen,Land Rover,Porsche,Jaguar,etc.
With many years of technical research and development experience, focus on the development of high quality air suspension system.We always insist on such business philosophy, high quality products, customer first, provide excellent service for customers.
Pleasure to cooperate with you to build a solid business foundation and let's work together to creat a mutually benificial brighter future.