管标记mm
|
外径mm
|
壁厚mm
|
允许工作压力MPa
|
最小爆破压力MPa
|
允差
|
|
外径mm
|
内径mm
|
|||||
Φ4×0.75
|
4
|
0.75
|
2.4
|
9.5
|
±0.1
|
±0.1
|
Φ4×1
|
4
|
1
|
2.75
|
11.0
|
±0.1
|
±0.1
|
Φ4.7×0.61
|
4.7
|
0.61
|
2.5
|
10.0
|
±0.1
|
±0.1
|
Φ5×1
|
5
|
1
|
2.0
|
8.0
|
±0.1
|
±0.1
|
Φ6×1
|
6
|
1
|
2.0
|
8.0
|
±0.1
|
±0.1
|
Φ6×1.5
|
6
|
1.5
|
2.0
|
8.0
|
±0.1
|
±0.1
|
Φ7×1
|
7
|
1
|
2.0
|
8.0
|
±0.1
|
±0.1
|
Φ8×1
|
8
|
1
|
2.0
|
8.0
|
±0.1
|
±0.1
|
Φ8×1.5
|
8
|
1.5
|
2.1
|
8.5
|
±0.15
|
±0.1
|
Φ10×1
|
10
|
1
|
1.9
|
7.5
|
±0.15
|
±0.1
|
Φ10×1.25
|
10
|
1.25
|
2.1
|
8.3
|
±0.15
|
±0.1
|
Φ10×1.5
|
10
|
1.5
|
2.1
|
8.5
|
±0.15
|
±0.1
|
Φ12×1.25
|
12
|
1.25
|
2.1
|
8.2
|
±0.15
|
±0.1
|
Φ12×1.5
|
12
|
1.5
|
2.1
|
8.4
|
±0.15
|
±0.1
|
Φ14×1
|
14
|
1
|
1.9
|
7.7
|
±0.15
|
±0.15
|
Φ14×1.5
|
14
|
1.5
|
2.0
|
8.0
|
±0.15
|
±0.15
|
Φ15×1
|
15
|
1
|
1.8
|
7.5
|
±0.15
|
±0.15
|
Φ15×1.5
|
15
|
1.5
|
1.9
|
7.8
|
±0.15
|
±0.15
|
Φ16×1.5
|
16
|
1.5
|
2.0
|
8.2
|
±0.15
|
±0.15
|
Φ18×1
|
18
|
1
|
1.0
|
4.25
|
±0.15
|
±0.15
|
Φ18×1.5
|
18
|
1.5
|
1.7
|
6.8
|
±0.15
|
±0.15
|
Φ19×1.5
|
19
|
1.5
|
1.5
|
6.3
|
±0.15
|
±0.15
|