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NEN EN 331:1998被替代

Manually Operated Ball Valves And Closed Bottom Taper Plug Valves For Gas Installations For Buildings

出版：Nederlands Normalisatie Instituut

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基本信息

標(biāo)準(zhǔn)編號： NEN EN 331:1998

發(fā)布時間：1998/2/1 0:00:00

標(biāo)準(zhǔn)類別：Standard

出版單位：Nederlands Normalisatie Instituut

標(biāo)準(zhǔn)頁數(shù)：28

標(biāo)準(zhǔn)簡介

Defines the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug valves. In addition, it details the test procedures and marking requirements. It is applicable to valves for domestic and commercial not directly buried installations inside or outside of buildings, using gases of the first, second and third family.

標(biāo)準(zhǔn)備注

Supersedes NEN 3098. (01/2003) Supersedes NEN 1647. (03/2004)

本標(biāo)準(zhǔn)替代的舊標(biāo)準(zhǔn)

NEN 3098:1967

NEN 1647:1967

替代本標(biāo)準(zhǔn)的新標(biāo)準(zhǔn)

NEN EN 331:2015

等同采用的國際標(biāo)準(zhǔn)

UNI EN 331:2011 - Identical

ONORM EN 331:1998 - Identical

DIN EN 331 (1999-04) - Identical

BS EN 331:1998+A1:2010 - Identical