特殊材质金属垫生产厂家 金属缠绕垫片是将不锈钢带与柔性石墨带或石棉带,聚四氟乙烯带等重叠缠绕,焊接端点而成.经过长期的压制使本身具有良好弹性的非金属纤维材料(亦称填充料)而制成.由于金属包在外层,既提高了耐热性.填充料包在内层,便可避免纤维与介质直接接触导致渗漏,还保持了良好的回弹性,从而提高了产品的密封性能
特殊材质金属垫生产厂家
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