This standard has been revised by ISO 4437-4:2022
Abstract
ISO 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 ISO 4437.
Life cycle
-
Previously
WithdrawnISO 10933:1997
-
Now
-
Revised by
PublishedISO 4437-4:2022
Got a question?
Check out our FAQs
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)