MSS SP 120
Flexible Graphite Packing System for Rising Stem Steel Valves - Design Requirements
inactive
Buy Now
| Organization: | MSS |
| Publication Date: | 1 January 2006 |
| Status: | inactive |
| Page Count: | 13 |
scope:
This Standard Practice establishes material and dimensional requirements for valve packing, packing chamber, packing gland, packing washer, bonnet, and stem as they relate to the total packing assembly.
This Standard Practice applies to standard, special, and limited Class 150 through Class 4500 (including intermediate classes) ASME B16.34 type steel gate, globe, and angle valves designed with rotating/ rising and non-rotating/rising stems
This Standard Practice applies to valves in which a flexible graphite packing assembly is used as the primary stem-sealing system
This Standard Practice does not apply to valves that include a lantern ring as part of its packing system nor to bonnetless valves with split glands.
Document History
January 1, 2017
Flexible Graphite Packing Sealing for Rising Stem Valves
This Standard Practice is applicable to valves that use flexible graphite packing stem sealing to achieve reduced or low emissions.
This Standard Practice encompasses dimensions and tolerances...
January 1, 2011
Flexible Graphite Packing System for Rising Stem Valves – Design Requirements
This Standard Practice establishes material and dimensional requirements for valve packing, packing chamber, packing gland, packing washer, bonnet, and the stem, as they relate to the total packing...
MSS SP 120
January 1, 2006
Flexible Graphite Packing System for Rising Stem Steel Valves - Design Requirements
This Standard Practice establishes material and dimensional requirements for valve packing, packing chamber, packing gland, packing washer, bonnet, and stem as they relate to the total packing...
January 1, 2002
Flexible Graphite Packing System for Rising Stem Steel Valves - Design Requirements
A description is not available for this item.
March 1, 1997
Flexible Graphite Packing System for Rising Stem Steel Valves (Design Requirements)
A description is not available for this item.