201材质基本型金属垫，碳钢石墨密封垫，金属密封缠绕垫
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℃)
预紧压力:Y=70.0±1Mpa
垫片系数:M=2.5~4.0
【缠绕垫片】直径公差(即用于法兰的名义管道直径):
DIN (mm) | ANSI B16.5 BS1560 (mm) Mss sp-44 | API 605 | 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″ | >24″ and <=60″ | ±1.8 | |
1600 | >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 |
【缠绕垫片】技术参数:
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℃) |
缠绕垫片小预紧比压 | y=68MPa |
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