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| 异径接头 |
异径接头的结构形式和尺寸表
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 |
20×15 |
26.9 |
25 |
21.3 |
18 |
38 |
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 |
42.4 |
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 |
42.4 |
38 |
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 |
-- |
102 |
90×65 |
101.6 |
-- |
76.1(73) |
-- |
102 |
90×50 |
101.6 |
-- |
60.3 |
-- |
102 |
90×40 |
101.6 |
-- |
48.3 |
-- |
102 |
90×32 |
101.6 |
-- |
42.4 |
-- |
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 |
-- |
101.6 |
-- |
140 |
150×80 |
168.3 |
159 |
88.9 |
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 |
273.0 |
273 |
219.1 |
219 |
178 |
250×150 |
273.0 |
273 |
168.3 |
159 |
178 |
250×125 |
273.0 |
273 |
139.7 |
133 |
178 |
250×100 |
273.0 |
273 |
114.3 |
108 |
178 |
300×250 |
323.9 |
325 |
273.0 |
237 |
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 |
273.0 |
273 |
330 |
350×200 |
355.6 |
377 |
219.1 |
219 |
330 |
350×150 |
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 |
273.0 |
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 |
273.0 |
273 |
381 |
500×450 |
508.0 |
529 |
457.0 |
478 |
508 |
500×400 |
508.0 |
529 |
406.4 |
426 |
508 |
500×350 |
508.0 |
529 |
355.6 |
377 |
508 |
500×300 |
508.0 |
529 |
323.9 |
325 |
508 |
注:尽可能不采用括号内的数值
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