卓瑞密封科技(宁波)有限公司
材料:321 304 316L厚度:2.5mm,3.2mm,4.5mm温度:650填充带:石墨 四氟微信:18958349848
法兰种类及缠绕垫片形式:
法兰种类缠绕垫片形状平面法兰仅带外环缠绕垫片带内外环缠绕垫片凸面法兰仅带外环缠绕垫片带内外环缠绕垫片凹凸法兰基本型缠绕垫片仅带内环缠绕垫片槽法兰基本型缠绕垫片仅带内环缠绕垫片平面和凹槽法兰基本型缠绕垫片仅带内环缠绕垫片缠绕垫片厚度公差:
项目厚度(mm)公差(mm)垫片厚度4.5, 3.2+0.2
-0.1环厚度3.0±0.24金属缠绕垫片主要技术参数:
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**600℃) 缠绕垫片小预紧比压y=68MPa下表是缠绕垫片直径公差(即用于法兰的名义管道直径)
DIM(mm)ANSI B16.5BS1560(mm)Mss sp-44API605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" ±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注:另外,我们也可以根据JIS,JPI标准或客户要求生产