定做内外环金属缠绕垫厂家
通过改变金属带、非金属带、内外环的材质,金属缠绕垫片可适用于各种极度危害介质、高度危害介质、可燃介质或温度高、温差大、极低温环境,是一种密封性 能良好的中压垫片,可广泛应用于各种中低压设备和管 法兰密封。金属缠绕垫片的选用目前,尤其是石墨缠绕垫在炼油厂应用zui为普遍,约占常用密封垫片的80%以上。
定做内外环金属缠绕垫厂家
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