|
公稱通徑
DN
|
鋼管外徑
Dw(mm)
|
壁厚
T(mm)
|
外徑允許偏差
(mm)
|
|
承插焊接式
|
|
15
|
14(16)
|
0.8(0.6)
|
±0.10
|
|
20
|
20
|
0.8(0.6)
|
±0.10
|
|
25
|
26
|
0.8
|
±0.10
|
|
32
|
35
|
1.0
|
±0.12
|
|
40
|
40
|
1.0
|
±0.12
|
|
50
|
50
|
1.0
|
±0.15
|
|
65
|
67
|
1.2
|
±0.20
|
|
80
|
76
|
1.5
|
±0.23
|
|
100
|
102
|
1.5
|
±0.41
|
|
125
|
133
|
2.0
|
±0.53
|
|
150
|
159
|
2.5
|
±0.64
|
|
200
|
219
|
3.0
|
±0.88
|
|
250
|
273
|
3.5
|
±1.09
|
|
300
|
325
|
4.0
|
±1.30
|
|
卡壓式
|
|
15
|
15.88
|
0.8
|
±0.10
|
|
20
|
22.22
|
1.0
|
±0.10
|
|
25
|
28.58
|
1.0
|
±0.10
|
|
32
|
34.00
|
1.2
|
±0.12
|
|
40
|
42.70
|
1.2
|
±0.15
|
|
50
|
48.60
|
1.2
|
±0.15
|
|
注：管材的壁厚允許偏差為管材名義壁厚的±10%
|
|
產品編號：
