This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging of flanged cast steel seawater stop check valves with flange connection dimensions according to GB 569 and G8 2501. This standard is applicable to ship piping systems where the medium is fresh water and sea water.
CB/T 3197-1995 history
1995CB/T 3197-1995 Flange cast steel sea water stop check valve