法兰用的金属密封缠绕垫片使用温度可以达到多少度

法兰用的金属密封缠绕垫片使用温度可以达到多少度

缠绕垫片系数 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zui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 B16.5
BS1560(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