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BS 1868:1975+A1:1990

Specification for steel check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries

Standard Details

Nominal sizes, ratings, design, materials, marking and shipping for swing, piston, ball and disk valves for Class 150 up to Class 2500 and of nominal sizes 15 to 600 mm. Appendix for application to piping systems with BS 4504:Part 1.

General Information

Status : Confirmed
Standard Type: Main
Document No: BS 1868:1975+A1:1990
Document Year: 1975
Pages: 28
  • ICS:
  • 75.180.99 Other equipment for petroleum and natural gas industries

Life Cycle

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Confirmed
BS 1868:1975+A1:1990
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