加工316金属缠绕垫销售
使用过聚四氟乙烯密封垫片的厂商都知道,使用过程中一定要考虑垫片的蠕变松弛性能,下面聚四氟乙烯厂家就来简单介绍一下聚四氟乙烯密封垫片的蠕变松驰性能:应力松驰不是材料的基本性质,应力松驰受垫片材料的蠕变以及接头中其他零件的影响,只有蠕变才是垫片材料的基本性质。
加工316金属缠绕垫销售
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
下表用于对内环及缠绕金属的材质选择: