MSS SP-120-2024
MSS SP-120-2024: Flexible Graphite Packing Sealing for Rising Stem Valves
CDN $186.00
Description
This Standard Practice is applicable to isolation valves that use flexible graphite compression packing stem sealing to achieve reduced or low emissions. This Standard Practice also encompasses dimensions and tolerances applicable to ASME B16.34 gate and globe valves designed with rising non-rotating and rising rotating stems. Quarter-turn valve designs are outside the scope of this Standard Practice; and is applicable to valves in which a flexible graphite compression packing assembly is used as the primary stem-sealing system.
Edition
1
Published Date
2025-08-11
Status
Current
Pages
18
Language
English
Format
Secure PDF
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Abstract
This Standard Practice is applicable to isolation valves that use flexible graphite compression packing stem sealing to achieve reduced or low emissions. This Standard Practice also encompasses dimensions and tolerances applicable to ASME B16.34 gate and globe valves designed with rising non-rotating and rising rotating stems. Quarter-turn valve designs are outside the scope of this Standard Practice; and is applicable to valves in which a flexible graphite compression packing assembly is used as the primary stem-sealing system.
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