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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
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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

PUBLISH DATE 1975
PAGES 36
BSI BS 1873:1975

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.
SDO BSI: British Standards Institution
Document Number 1873
Publication Date April 30, 1975
Language en - English
Page Count 36
Revision Level
Supercedes
Committee PSE/18/2
Publish Date Document Id Type View
April 30, 1975 BS 1873:1975 Revision
Jan. 27, 1961 BS 1873:1960 Revision
July 8, 1952 BS 1873:1952 Revision