MSS SP 143 : 2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
LIVE-LOADED VALVE STEM PACKING SYSTEMS
Hardcopy , PDF
27-10-2021
English
01-01-2012
Describes the minimum requirements for the application, design and installation of live-loaded stem packing systems for valves designed in accordance with ASME B16.34, having rising and/or rotating stems.
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