Under publication
ISO 12101
Industrial valves — Measurement, test and qualification procedures for fugitive emissions — Classification system and qualification procedures for type testing of stem seals for valves
Reference number
ISO 12101
ISO 12101
Edition 1
© ISO 2025
Under publication
Abstract
This document specifies testing procedures for evaluation of external leakage of valve stem seals (or shaft) of isolating valves and control valves intended for application in volatile air pollutants and hazardous fluids. End connection joints, body joints, vacuum application, effects of corrosion, and radiation are excluded from this document. This document concerns classification system and qualification procedures for type testing of valve stem sealing. This document is not intended to replace type testing of valve assemblies or valve production testing. Corrosion tests are not included in this document.
General information
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Status: Under developmentStage: International Standard under publication [60.00]
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Edition: 1
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Technical Committee :ISO/TC 153ICS :23.060.01
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