Din Swing Check Valve

We are offering din swing check valve. Specifications check valve material:wcb,wc6,cf3,cf8m; a105,lf2,ss304,ss316 andaccording to customers' requirement. swing check valve 1 check valve is widely used in such fields as petroleum melting ,chemical industry ,paper- making ,pharmaceutical industry ,food industry ,waster water ,electric power,city planning ,steel,etc. 2 product quality, improve service 3 has the majority of users and trust.