EPT quick coupling is a quick coupling mainly utilized for air piping and pneumatic tools. It can understand pipeline link or disconnection without equipment. When the ferrule of the mother body moves to the other conclude, the stainless steel ball instantly rolls outwards. The body is disconnected unEPTTthe action of the frequent valve EPT drive of the parent physique and the little one entire body, and the valves of the child entire body and the mum or dad body are shut separately, immediately blocking the stream of fluid.