
Cast Steel Gate Valves
出版:South African Bureau of Standards

專家解讀視頻
Defines material and constructional requirements for flanged cast steel gate valves with rising or non-rising spindles (of size up to and including 350 mm nominal bore), intended for use in waterworks, mining, and industrial applications (in which the pressure difference will not exceed 2,5 MPa and the temperature of the fluid will not exceed 50 degree C).