金属缠绕垫高温法兰内外环厂家
石棉制品不符合环保公约，已在很多 国家、地区被禁用。中低压场合可以考虑采用金属缠绕垫片替换现用的石 棉橡胶垫。与石棉橡胶垫相比，金属缠绕垫片不易黏固在 法兰上，易于更换，而且密封可靠;与其他半金属垫片(如柔性石墨复合垫、金属包覆垫)相比，金属缠绕垫 的材料利用率高，价格比较便宜。
金属缠绕垫高温法兰内外环厂家
下表是缠绕垫片直径公差（即用于法兰的名义管道直径）：
DIN (mm)ANSI B16.5
BS1560 (mm)
Mss sp-44API 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 <=16000>24" and <=60">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