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  • BSI
    BS 1873:1975 Specification for steel globe and globe stop and check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries
    Edition: 1975
    $411.69
    / user per year

Description of BS 1873:1975 1975

This British Standard specifies requirements for cast or forged carbon and alloy steel outside screw and yoke globe and globe stop and check valves, straight pattern, angle pattern and (oblique) Y pattern, with flanged or butt-welding ends in nominal sizes within the range of 15 mm to 400 mm (½ in to 16 in) and Classes 150 to 2500. This standard can also be used as a general guide where valves of material composition outside the scope of section three of this standard are required as, for example, for use in highly corrosive services or environments or for low temperatures (see clause 37).

The standard can be adapted to apply to valves with needle type seats in 15 mm (½ in) an 20 mm (¾ in) nominal sizes which will meet all requirements of this standard, except that the valve seat bore is reduced and the needle point may be either integral with or loose on the stem.



Straight, angle and (oblique) Y pattern with flanged or butt-welding ends in nominal sizes from 15 to 400 mm (½ to 16 in) and Class 150 to 2500.

Standard NumberBS 1873:1975
TitleSpecification for steel globe and globe stop and check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries
StatusConfirmed
Publication Date1975-04-30
DescriptorsSteels, Bolts, Test duration, Welded joints, Sealing rings, Seals, Dimensions, Screw-down valves, Ball valves, Flanged fittings, Angular, Butt joints, Valve components, Check valves, Marking, Valves, Petroleum technology, Valve yokes, Tapping (threads), Plug valves, Needle valves, Flow regulators, Stuffing boxes, Stop valves
ICS75.180.99 Other equipment for petroleum and natural gas industries
CommitteePSE/18/2
ISBN0 580 08502 3
PublisherBSI
Pages32

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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