This Standard covers cast copper alloy threaded joint pipe flanges and blind pipe flanges having rating class designations 150, 300, 600, 900, 1500, and 2500. This Standard also covers flanged fttings having rating class designations 150 and 300. It establishes requirements for
(a) pressure-temperature ratings
(b) size and method of designating openings for reduced fttings
(c) markings
(d) materials
(e) dimensions
() bolting and gaskets
(g) tolerances
(h) tests
This Standard also provides dimensional requirements for flanged ends of valves conforming to MSS SP-80.
