BS 1873:1975

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Specification for steel globe and globe stop and check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries|Stop valves, Stuffing boxes, Flow regulators, Needle valves, Plug valves, Tapping (threads), Valve yokes, Petroleum technology, Valves, Marking, Check valves, Valve components, Butt joints, Angular, Flanged fittings, Ball valves, Screw-down valves, Dimensions, Seals, Sealing rings, Welded joints, Test duration, Bolts, Steels

186 GBP