MSS SP 143 – Live-Loaded Valve Stem Packing Systems: 2018 [paper]
| Shipping | shipped within 3-5 days |
|---|---|
| Media format | Book |
| Language | English |
€131,26
Shipping: shipped within 3-5 daysMedia format: Book
Language: English
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Description
Description
MSS SP-143 – Live-Loaded Valve Stem Packing Systems, 2018 Edition
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.
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