|
管子規(guī)格及有關(guān)數(shù)據(jù) |
|
公稱直徑 |
英 寸 |
外 徑 |
近似內(nèi)徑 |
壁 厚 |
相當(dāng)于無縫管 |
|
普厚/加厚 |
|
DNmm |
＂ |
mm |
mm |
mm |
mm |
|
15 |
4分 |
21.25 |
15 |
2.75/3.25 |
22 |
|
20 |
6分 |
26.75 |
20 |
2.75/3.5 |
25 |
|
25 |
1寸 |
33.5 |
25 |
3.25/4 |
32 |
|
32 |
1.2寸 |
42.25 |
32 |
3.25/4 |
38 |
|
40 |
1.5寸 |
48 |
40 |
3.5/4.25 |
45 |
|
50 |
2寸 |
60 |
50 |
3.5/4.5 |
57 |
|
70 |
2.5寸 |
75.5 |
70 |
3.75/4.5 |
76 |
|
80 |
3 |
88.5 |
80 |
4/4.75 |
89 |
|
100 |
4 |
114 |
106 |
4/5.0 |
108 |
|
125 |
5 |
140 |
131 |
5/5.5 |
133 |
|
150 |
6 |
165 |
156 |
5/5.5 |
159 |
|
200 |
8 |
219 |
207 |
6 |
219 |
|
250 |
10 |
273 |
259 |
7 |
273 |
|
300 |
12 |
325 |
309 |
8 |
435 |
|
350 |
14 |
377 |
|
9 |
485 |
|
400 |
16 |
426 |
|
9 |
535 |
|
450 |
18 |
478 |
|
9 |
590 |
|
500 |
20 |
529 |
|
9 |
640 |
|
600 |
24 |
630 |
|
10 |
755 |
|
700 |
28 |
720 |
|
10 |
860 |
|
800 |
32 |
820 |
|
|
975 |
|
|
|
|
國際管道尺寸對照表 |
|
N.D |
INCH |
STANDARD |
METRIC |
INCH |
COPPER |
PVC |
PE |
DUCTILE |
|
15A |
1/2" |
21.7 |
|
|
|
20 |
21.5-22.0 |
22 |
|
20A |
3/4" |
27.2/28.5 |
|
|
|
26 |
27.0-27.6 |
26 |
|
25A |
1" |
34.0 |
30 |
28.24 |
30 |
32 |
34.0-34.7 |
34 |
|
32A |
1-1/4" |
42.7 |
38 |
34.59 |
35 |
38 |
42.0-42.8 |
48 |
|
40A |
1-1/2" |
48.6 |
44.5 |
40.95 |
45 |
48 |
48.0-48.9 |
60 |
|
50A |
2" |
60.6 |
57.0 |
54.05 |
55 |
60 |
60.0-61.1 |
76 |
|
65A |
2-1/2" |
76.3 |
76.1 |
66.75 |
70 |
76 |
76.0-77.3 |
89 |
|
80A |
3" |
89.1 |
88.9 |
79.85 |
85 |
89 |
89.0-90.5 |
98 |
|
90A |
3-1/2" |
101.6 |
|
|
|
|
|
|
|
100A |
4" |
114.3 |
108.0 |
106.27 |
110 |
114 |
114.0-115.9 |
118 |
|
125A |
5" |
139.8 |
133.0 |
131.67 |
140 |
140 |
140.0-142.3 |
144 |
|
150A |
6" |
165.2 |
159.0 |
157.68 |
160 |
165 |
165.0-167.6 |
170 |
|
200A |
8" |
216.3 |
219.0 |
208.48 |
|
216 |
216.0-218.8 |
222 |
|
250A |
10" |
267.4 |
267.0 |
260.50 |
|
267 |
267.0-270.1 |
274 |
|
300A |
12" |
318.5 |
323.9 |
312.11 |
|
318 |
318.0-321.3 |
326 |
|
350A |
14" |
355.6 |
368.0 |
363.72 |
|
|
|
378 |
|
400A |
16" |
406.4 |
419.0 |
414.52 |
|
|
|
429 |
|
450A |
18" |
457.2 |
457.2 |
465.32 |
|
|
|
480 |
|
500A |
20" |
508.0 |
508.0 |
516.94 |
|
|
|
532 |
|
550A |
22" |
558.8 |
558.0 |
567.74 |
|
|
|
|
|
600A |
24" |
609.6 |
619.0 |
619.35 |
|
|
|
635 |
|
650A |
26" |
660.4 |
|
|
|
|
|
|
|
700A |
28" |
711.2 |
|
|
|
|
|
|
|
