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  • EN 751-3:1996
    和第1,第2及第3族氣體以及熱水接觸的金屬螺紋連接用密封材料.第3部分:非燒結的PTFE帶材.合并勘誤表-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

    2022-09

     

     

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    標準號
    EN 751-3:1996
    發布
    1996年
    發布單位
    歐洲標準化委員會
    替代標準
    EN 751-3:2022
    當前最新
    EN 751-3:2022+A1:2023
     
     
    適用范圍
    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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