Abstract
Ïã¸ÛÁùºÏ²Ê¿ª½± 4437-4:2015 specifies the characteristics of valves made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.
It also specifies the test parameters for the test methods referred to in this part of Ïã¸ÛÁùºÏ²Ê¿ª½± 4437.
General information
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Status: WithdrawnPublication date: 2015-04Stage: Withdrawal of International Standard [95.99]
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Edition: 1Number of pages: 16
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Technical Committee :Ïã¸ÛÁùºÏ²Ê¿ª½±/TC 138/SC 7
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Life cycle
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Previously
WithdrawnÏã¸ÛÁùºÏ²Ê¿ª½± 10933:1997
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Now
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Revised by
PublishedÏã¸ÛÁùºÏ²Ê¿ª½± 4437-4:2022
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