 |
大小头-同心和偏心异径管
GB1245-90
| 公称通径DN |
端部外径 |
长度L
|
| D1 |
D2 |
| A系列 |
B系列 |
A系列 |
B系列 |
| 25×20 |
33.7 |
32 |
26.9 |
25 |
51 |
| 25×15 |
33.7 |
32 |
21.3 |
18 |
51 |
| 32×25 |
42.4 |
38 |
33.7 |
32 |
51 |
| 32×20 |
42.4 |
38 |
26.9 |
25 |
51 |
| 32×15 |
42.4 |
38 |
21.3 |
18 |
51 |
| 40×32 |
48.3 |
45 |
42.2 |
38 |
64 |
| 40×25 |
48.3 |
45 |
33.7 |
32 |
64 |
| 40×20 |
48.3 |
45 |
26.9 |
25 |
64 |
| 40×15 |
48.3 |
45 |
21.3 |
18 |
64 |
| 50×40 |
60.3 |
57 |
48.3 |
45 |
76 |
| 50×32 |
60.3 |
57 |
42.4 |
38 |
76 |
| 50×25 |
60.3 |
57 |
33.7 |
32 |
76 |
| 50×20 |
60.3 |
57 |
26.9 |
25 |
76 |
| 65×50 |
76.1(73) |
76 |
60.3 |
57 |
89 |
| 65×40 |
76.1(73) |
76 |
48.3 |
45 |
89 |
| 65×32 |
76.1(73) |
76 |
33.7 |
32 |
89 |
| 65×25 |
76.1(73) |
76 |
33.7 |
32 |
89 |
| 80×65 |
88.9 |
89 |
76.1(73) |
76 |
89 |
| 80×50 |
88.9 |
89 |
60.3 |
57 |
89 |
| 80×40 |
88.9 |
89 |
48.3 |
45 |
89 |
| 80×32 |
88.9 |
89 |
42.4 |
38 |
89 |
| 90×80 |
101.6 |
-- |
88.9 |
89 |
102 |
| 90×65 |
101.6 |
-- |
76.1(73) |
76 |
102 |
| 90×50 |
101.6 |
-- |
60.3 |
57 |
102 |
| 90×40 |
101.6 |
-- |
48.6 |
45 |
102 |
| 90×32 |
101.6 |
-- |
42.4 |
38 |
102 |
| 100×90 |
114.3 |
- |
101.6 |
- |
102 |
| 100×80 |
114.3 |
108 |
88.9 |
89 |
102 |
| 100×65 |
114.3 |
108 |
76.1(73) |
76 |
102 |
| 100×50 |
114.3 |
108 |
60.3 |
57 |
102 |
| 100×40 |
114.3 |
108 |
48.3 |
45 |
102 |
| 125×100 |
139.7 |
133 |
114.3 |
108 |
127 |
| 125×90 |
139.7 |
- |
101.6 |
- |
127 |
| 125×80 |
139.7 |
133 |
88.9 |
89 |
127 |
| 125×65 |
139.7 |
133 |
76.1(73) |
76 |
127 |
| 125×50 |
139.7 |
133 |
60.3 |
57 |
127 |
| 150×125 |
168.3 |
159 |
139.7 |
133 |
140 |
| 150×100 |
168.3 |
159 |
114.3 |
108 |
140 |
| 150×90 |
168.3 |
159 |
101.6 |
- |
140 |
| 150×80 |
168.3 |
159 |
89 |
89 |
140 |
| 150×65 |
168.3 |
159 |
76.1(73) |
76 |
140 |
| 200×150 |
219.1 |
219 |
168.3 |
159 |
152 |
| 200×125 |
219.1 |
219 |
139.7 |
133 |
152 |
| 200×100 |
219.1 |
219 |
114.3 |
108 |
152 |
| 200×90 |
219.1 |
- |
101.6 |
- |
152 |
| 250×200 |
273 |
273 |
2109.1 |
219 |
178 |
| 250×150 |
273 |
273 |
168.3 |
159 |
178 |
| 250×125 |
273 |
273 |
139.7 |
133 |
178 |
| 250×100 |
273 |
273 |
114.3 |
108 |
178 |
| 300×250 |
323.9 |
325 |
273 |
273 |
203 |
| 300×200 |
323.9 |
325 |
219.1 |
219 |
203 |
| 300×150 |
323.9 |
325 |
168.3 |
159 |
203 |
| 300×125 |
323.9 |
325 |
139.7 |
133 |
203 |
| 350×300 |
355.6 |
377 |
323.9 |
325 |
330 |
| 350×250 |
355.6 |
377 |
273 |
273 |
330 |
| 350×200 |
355.6 |
377 |
168.3 |
159 |
330 |
| 400×350 |
406.4 |
426 |
355.6 |
377 |
356 |
| 400×300 |
406.4 |
426 |
323.9 |
325 |
356 |
| 400×250 |
406.4 |
426 |
273 |
273 |
356 |
| 400×200 |
406.4 |
426 |
219.1 |
219 |
356 |
| 450×400 |
457.2 |
478 |
406.4 |
426 |
381 |
| 450×350 |
457.2 |
478 |
355.6 |
377 |
381 |
| 450×300 |
457.2 |
478 |
323.9 |
325 |
381 |
| 450×250 |
457.2 |
478 |
273 |
273 |
381 |
| 500×450 |
508 |
530 |
457.2 |
478 |
508 |
| 500×400 |
508 |
530 |
406.4 |
426 |
508 |
| 500×350 |
508 |
530 |
355.6 |
377 |
508 |
| 500×300 |
508 |
530 |
323.9 |
325 |
508 |
| 500×500 |
558.8 |
- |
60.8 |
530 |
508 |
| 550×450 |
558.8 |
- |
457.2 |
478 |
508 |
| 550×400 |
558.8 |
- |
406 |
426 |
508 |
| 550×350 |
558.8 |
- |
355.6 |
377 |
508 |
| 600×550 |
610 |
630 |
558.8 |
- |
508 |
| 600×500 |
610 |
630 |
508 |
530 |
508 |
| 600×450 |
610 |
630 |
457.2 |
478 |
508 |
|