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MSS SP-143-2018

Live-Loaded Valve Stem Packing Systems

standard by Manufacturers Standardization Society , 2018

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Full Description

MSS SP-143-2018 establishes 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. It applies to valves with flexible graphite, polytetrafluoroethylene (PTFE), expanded polytetrafluoroethylene (ePTFE), or other packing stem seal material, regardless of frequency of operation.

This Standard Practice does not apply to valves that include a lantern ring(s) as part of its packing system or to self-energized packing.
 

Product Details

Published:
2018
ANSI:
ANSI Approved
Number of Pages:
18
File Size:
1 file , 870 KB
Redline File Size:
2 files , 4.6 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. MSS SP-143-2018

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    Live-Loaded Valve Stem Packing Systems

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  2. MSS SP-143-2012


    Live-Loaded Valve Stem Packing Systems

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