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MSS SP-120-2017

Flexible Graphite Packing System for Rising Stem Steel Valves

standard by Manufacturers Standardization Society ,

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Full Description

SCOPE

1.1 This Standard Practice is applicable to valves that use flexible graphite packing stem sealing to achieve reduced or low emissions.

1.2 This Standard Practice encompasses dimensions and tolerances applicable to ASME B16.34 gate and globe valves designed with rising non-rotating and rising rotating stems.

1.3 This Standard Practice applies to valves in which a flexible graphite packing assembly is used as the primary stem-sealing system.

1.4 Valves that include a lantern ring as part of its packing system, and bonnetless valves with split glands, are outside the scope of this Standard Practice.
 

Product Details

Number of Pages:
14
File Size:
1 file , 760 KB
Redline File Size:
2 files , 5.5 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. MSS SP-120-2024


    Flexible Graphite Packing Sealing for Rising Stem Valves

    • Most Recent

  2. MSS SP-120-2017

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    viewing


    Flexible Graphite Packing System for Rising Stem Steel Valves

    • Historical Version

  3. MSS SP-120-2011


    Flexible Graphite Packing System for Rising Stem Steel Valves - Design Requirements

    • Historical Version

  4. MSS SP-120-2006


    Flexible Graphite Packing System for Rising Stem Steel Valves - Design Requirements

    • Historical Version

  5. MSS SP-120-2002


    Flexible Graphite Packing System for Rising Stem Steel Valves - Design Requirements

    • Historical Version

  6. MSS SP-120-1997


    Flexible Graphite Packing System for Rising Stem Steel Valves (Design Requirements)

    • Historical Version