EN 751-3:1996
和第1,第2及第3族气体以及热水接触的金属螺纹连接用密封材料.第3部分:非烧结的PTFE带材.合并勘误表-1997年3月

Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes

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标准号

EN 751-3:1996

发布

1996年

发布单位

欧洲标准化委员会

替代标准

EN 751-3:2022

当前最新

EN 751-3:2022+A1:2023

 

 

适用范围

This European Standard specifies requirements andtest methods for unsintered polytetrafluorethylene(PTFE) tapes (hereafter referred to as PTFE tapes)which are suitable for sealing threaded metallic jointsas specified in ISO 7-1.The PTFE tapes are typicallyfor use in installations for 1st family gases (towngas), 2nd family gases (natural gas) and 3rd familygases (liquefied petroleum gases (LPG)) up to 5 bar andup to 7 bar for hot water of heating systems (Class A)as well as即to 0,2 bar in gas appliances andTheirau}dliary equipment (Class B).The maximum worlangpressure covered inThis European Standard is 20 barwhich is relevant to LPG storage (Class C).Thetemperature range is limited to一20 0C to 125 0C.

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