EPDM rubber sealing ring (specification DN100-DN1200): It has the characteristics of strong chemical stability and good chemical resistance. The service life of EPDM rubber sealing ring is 139.8 years, which matches the service life of ductile iron pipe. Actually, the leakage rate of the pipe network can be reduced by more than 60%. Customers call it "a century of sealing, leak-proof experts".
