| 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℃) |
| 缠绕垫片最小预紧比压 |
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 |
