产品名称：对夹式止回阀

产品分类：不锈钢止回阀

产品标准: 

GB/T 13932-92、GB 12236、GB 12233、JB/T 8937、GB/T 12224、JB/T 9092 

产品材质:WCB、WCA、WCC、WC6、WC9、C5、C12、LCB、LCC、CF8、CF8M、CF3、CF3M、CN7M、CF8C

H71W wafer check valve is a valve, due to the valve body, disc, cover, etc., the valve is opened under the action of hydraulic pressure, and limited in the bonnet boss, fluid through the valve disc outside, when the outlet pressure is greater than the inlet pressure, the valve disc is closed under the action of liquid pressure and spring force to stop the flow back.