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 B16.5
BS1560(mm)
Mss sp-44
|
API605
|
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"
|
|
±1.8
|
|
1600
|
＞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
|
|
点击图片查看大图
产品分类