Product Overview 
 Forged steel check valve has three valve cover design, the first is a bolt type valve cover to connect through the convex surface of stainless steel with flexible graphite spiral wound gasket, ring joint demand also can be used, and the second welding valve cover, thread sealing after welding, on-demand can also be directly used rigid welding, and the third is self-sealing valve cover, threaded through with self-sealing valve cap. 
 Check valve, there are three different structural design, are: liters check valve, ball check valves and swing check valve. Connections such as flanges, butt! 


 Linyi Industry Valve Manufacturing Co., Ltd., on free :400-6999-972, the Chengzhao some cities vacancies agents