MSS SP-120:2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Flexible Graphite Packing Sealing for Rising Stem Valves
Hardcopy , PDF
03-08-2024
English
06-12-2017
This Standard Practice is applicable to valves that use flexible graphite packing stem sealing to achieve reduced or low emissions.
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