绕垫片系数m=2.5-4缠绕垫片使用压力≤25MPa 缠绕垫片使用温度-196℃-700℃(氧化性介质中不高于600℃)缠绕垫片小预紧比压y=68MPa下表是缠绕垫片直径公差(即用于法兰的名义管道直径)
DIM(mm)ANSI B16.5BS1560(mm)Mss sp-44API605公差内环内径垫片内径<=600=24">=26" and <=34"±0.5>600 and <=800>24" and<=34>=36" and <=60"±0.9>800 and <=1600 >34" and<=60" ±1.3>1600>60"±1.6垫片外径<=600<=24"=24"±0.9>600 and <=160000 >24" and<=60" ±1.81600>60" ±2.2外环外径 >1/2" and<=60"±0.9<600<=24" 0-1.0 >600 and <=1000>24" and<=34" 0-1.8>1000 and <=1600>34" and <=60"0-2.2注:我们也可以根据JIS,JPI标准或客户要求生产
金属缠绕密封垫片分四种形式:基本型,用于榫槽式法兰的垫片、带内环,用于嵌入型凹凸面法兰的密封垫片、带内环,用于光滑式平焊法兰的垫片、带内外环,用于光滑式对焊法兰的密封垫片