MSS SP 84 : 1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
05-31-1996
01-12-2013
Describes socket welding and threaded end steel valves, sizes 2-1/2 and smaller, pressure classes 150 to 4500, with interpolated ratings. Valves identified by non-cylindrical and cylindrical porting passages and body neck cavity.
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