Marine cast iron flanged check valve GB / T 592-93

This standard specifies the flange connection dimensions according to GB / T 569, GB / T 2501 the Marine cast iron flanged check valve product classification, technical requirements, test methods, inspection rules, signs and packaging.

This standard applies to the medium of sea water, fresh water, oil, fuel and temperature over 220 degrees steam ship piping system.

Marine cast iron flanged stop valve flange sizes and provides the sealing surface by GB / T 569, GB / T 2501 the Marine cast iron flanged stop valve (hereinafter referred to as cut-off valve) classification and marking requirements, test methods, inspection rules , packaging and storage.

Marine cast iron flanged valves suitable medium for the water, fresh water, oil, fuel cut-off valve piping systems design, manufacture and acceptance.