BSI - BS 1868
Specification for Steel check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries
|Publication Date:||28 November 1975|
|ICS Code (Other equipment for petroleum and natural gas industries):||75.180.99|
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.