Pipeline

Overview：

Douson pipeline valves are designed and manufactured according to API6D & ISO14313, products range include Side entry and top entry trunnion mounted ball valve, fully welding ball valve, through conduit gate valve, full opening check valve, etc. Douson isolation valve has different isolation features including double block & bleed and/or double isolation & bleed. Elastomeric & thermoplastic (soft) seating are normally applied on clean services or dormant buried valves, while metal to metal seated configurations may be offered for critical isolations like scraper launching& receiving facilities, crude oil, and nature gas services.