对焊管帽的尺寸-ASME-B16.9
NPS |
OD, D |
Length, H |
Limiting Wall Thickness for Length, H |
Length, H1 |
1/2 |
21.3 |
25 |
4.57 |
25 |
3/4 |
26.7 |
25 |
3.81 |
25 |
1 |
33.4 |
38 |
4.57 |
38 |
1 1/4 |
42.2 |
38 |
4.83 |
38 |
1 1/2 |
48.3 |
38 |
5.08 |
38 |
2 |
60.3 |
38 |
5.59 |
44 |
2 1/2 |
73 |
38 |
7.11 |
51 |
3 |
88.9 |
51 |
7.62 |
64 |
3 1/2 |
101.6 |
64 |
8.13 |
76 |
4 |
114.3 |
64 |
8.64 |
76 |
5 |
141.3 |
76 |
9.65 |
89 |
6 |
168.3 |
89 |
10.92 |
102 |
8 |
219.1 |
102 |
12.7 |
127 |
10 |
273 |
127 |
12.7 |
152 |
12 |
323.8 |
152 |
12.7 |
178 |
14 |
355.6 |
165 |
12.7 |
191 |
16 |
406.4 |
178 |
12.7 |
203 |
18 |
457 |
203 |
12.7 |
229 |
20 |
508 |
229 |
12.7 |
254 |
22 |
559 |
254 |
12.7 |
254 |
24 |
610 |
267 |
12.7 |
305 |
26 |
660 |
267 |
… |
… |
28 |
711 |
267 |
… |
… |
30 |
762 |
267 |
… |
… |
32 |
813 |
267 |
… |
… |
34 |
864 |
267 |
… |
… |
36 |
914 |
267 |
… |
… |
38 |
965 |
305 |
… |
… |
40 |
1016 |
305 |
… |
… |
42 |
1067 |
305 |
… |
… |
44 |
1118 |
343 |
… |
… |
46 |
1168 |
343 |
… |
… |
48 |
1219 |
343 |
… |
… |
注:
(1) Length H appllies for thickness not exceeding that given in column "Limiting Wall Thickness for Length H."
(2)Length H1 applies for thickness greater than that given in column "Limiting Wall Thickness" for NPS 24 and smaller. For NPS 26 and larger,length H1 shall be by agreement between the manufacturer and purchaser.