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一般用途铸铁止回阀规范

Specification for Cast iron check valves for general purposes

钢制截止阀、截止止回阀和升降式止回阀规范

Specification for Steel globe valves, globe stop and check valves and lift type check valves

电站止回阀选型及使用规程

Selection and Manipulation Regulations of Check Valve for Power Plant

电站阀门检修导则 第3部分：止回阀

Guidelines for Maintenance of Valves in Power Stations Part 3: Check Valves

通用阀门.铁制截止阀与升降式止回阀

General purpose industrial valves.Casting iron globe valves and lift check valves

通用阀门 铁制截止阀与升降式止回阀

General Valves Iron Gate Valve and Rising Stem Check Valve

石油 石化及相关工业用钢制截止阀和升降式止回阀

Steel globe valves and lift check valve for petroleum, petrochemical and allied industries

石油、石化及相关工业用钢制截止阀和升降式止回阀

Steel Gate Valves and Rising Stem Check Valves for Oil, Petrochemical and Related Industries

氨用截止阀和升降式止回阀

Globe valves for ammonia and lift check valves

液化天然气用截止阀、止回阀

Globe valves and check valves for liquefied natural gas

制冷系统用钢制、铁制制冷剂截止阀和升降式止回阀

Steel and iron refrigerant stop valves and lift check valves for refrigeration systems

石油、石化、天然气及相关工业用钢制截止阀和升降式止回阀

Steel globe valves and lift check valves for petroleum,petrochemical,natural gas and allied industries