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◎ 管件标准
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| 对焊三通、四通尺寸 GB12459 |
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| inch |
公称通径DN |
端部外径 |
中心至端面 |
| D1 |
D2 |
C |
M |
| A系列 |
B系列 |
A系列 |
B系列 |
| 1/2×1/2 |
15×15 |
21.3 |
18 |
21.3 |
18 |
25 |
25 |
| 3/4×1/2 |
20×15 |
26.9 |
25 |
21.3 |
18 |
29 |
29 |
| ×3/4 |
×20 |
|
|
26.9 |
25 |
29 |
29 |
| 1×1/2 |
25×15 |
33.7 |
32 |
21.3 |
18 |
38 |
38 |
| ×3/4 |
×20 |
|
|
26.9 |
25 |
38 |
38 |
| ×1 |
×25 |
|
|
33.7 |
32 |
38 |
38 |
| 11/2×1/2 |
32×15 |
42.3 |
38 |
21.3 |
18 |
48 |
48 |
| ×3/4 |
×20 |
|
|
26.9 |
25 |
48 |
48 |
| ×1 |
×25 |
|
|
33.7 |
32 |
48 |
48 |
| ×11/2 |
×32 |
|
|
42.3 |
38 |
48 |
48 |
| 13/4×1/2 |
40×15 |
48.3 |
45 |
21.3 |
18 |
57 |
57 |
| ×3/4 |
×20 |
|
|
26.9 |
25 |
57 |
57 |
| ×1 |
×25 |
|
|
33.7 |
32 |
57 |
57 |
| ×11/2 |
×32 |
|
|
42.3 |
38 |
57 |
57 |
| ×13/4 |
×40 |
|
|
48.3 |
45 |
57 |
57 |
| 2×3/4 |
50×20 |
60.3 |
57 |
26.9 |
25 |
64 |
44 |
| ×1 |
×25 |
|
|
33.7 |
32 |
64 |
51 |
| ×11/4 |
×32 |
|
|
42.3 |
38 |
64 |
57 |
| ×11/2 |
×40 |
|
|
48.3 |
45 |
64 |
60 |
| ×2 |
×50 |
|
|
60.3 |
57 |
64 |
64 |
| 21/2×1 |
65×25 |
76.1 |
76 |
33.7 |
32 |
76 |
57 |
| ×11/4 |
×32 |
|
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42.3 |
38 |
76 |
64 |
| ×11/2 |
×40 |
|
|
48.3 |
45 |
76 |
67 |
| ×2 |
×50 |
|
|
60.3 |
57 |
76 |
70 |
| ×21/2 |
×65 |
|
|
76.1 |
76 |
76 |
76 |
| 3×11/4 |
80×32 |
88.9 |
89 |
42.3 |
38 |
86 |
70 |
| ×11/2 |
×40 |
|
|
48.3 |
45 |
86 |
73 |
| ×2 |
×50 |
|
|
60.3 |
57 |
86 |
76 |
| ×21/2 |
×65 |
|
|
76.1 |
76 |
86 |
83 |
| ×3 |
×80 |
|
|
88.9 |
89 |
86 |
86 |
| 4×11/2 |
90×40 |
101.6 |
|
48.3 |
|
95 |
79 |
| ×2 |
×50 |
|
|
60.3 |
|
95 |
83 |
| ×21/2 |
×65 |
|
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76.1 |
|
95 |
89 |
| ×3 |
×80 |
|
|
88.9 |
|
95 |
92 |
| ×31/2 |
×90 |
|
|
101.6 |
|
95 |
95 |
| 4×11/2 |
100×40 |
114.3 |
108 |
48.3 |
45 |
105 |
86 |
| ×2 |
×50 |
|
|
60.3 |
57 |
105 |
89 |
| ×21/2 |
×65 |
|
|
76.1 |
76 |
105 |
95 |
| ×3 |
×80 |
|
|
88.9 |
89 |
105 |
98 |
| ×31/2 |
×90 |
|
|
101.6 |
|
105 |
102 |
| ×4 |
×100 |
|
|
114.3 |
108 |
105 |
105 |
| 5×2 |
125×50 |
139 |
133 |
60.3 |
57 |
124 |
105 |
| ×21/2 |
×65 |
|
|
76.1 |
76 |
124 |
108 |
| ×3 |
×80 |
|
|
88.9 |
89 |
124 |
111 |
| ×31/2 |
×90 |
|
|
101.6 |
|
124 |
114 |
| ×4 |
×100 |
|
|
114.3 |
108 |
124 |
114 |
| ×5 |
×125 |
|
|
139 |
133 |
124 |
117 |
| 6×21/2 |
150×65 |
168.3 |
159 |
76.1 |
76 |
143 |
121 |
| ×3 |
×80 |
|
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88.9 |
89 |
143 |
124 |
| ×31/2 |
×90 |
|
|
101.6 |
|
143 |
127 |
| ×4 |
×100 |
|
|
114.3 |
108 |
143 |
130 |
| ×5 |
×125 |
|
|
139 |
133 |
143 |
137 |
| ×6 |
×150 |
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|
168.3 |
159 |
143 |
143 |
| 8×31/2 |
200×90 |
219.1 |
219 |
101.6 |
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178 |
152 |
| ×4 |
×100 |
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|
114.3 |
108 |
178 |
156 |
| ×5 |
×125 |
|
|
139 |
133 |
178 |
162 |
| ×6 |
×150 |
|
|
168.3 |
159 |
178 |
168 |
| ×8 |
×200 |
|
|
219.1 |
219 |
178 |
178 |
| 10×4 |
250×100 |
273 |
273 |
114.3 |
108 |
216 |
184 |
| ×5 |
×125 |
|
|
139 |
133 |
216 |
191 |
| ×6 |
×150 |
|
|
168.3 |
159 |
216 |
194 |
| ×8 |
×200 |
|
|
219.1 |
219 |
216 |
208 |
| ×10 |
×250 |
|
|
273 |
273 |
216 |
216 |
| 12×5 |
300×125 |
323.9 |
325 |
139 |
133 |
254 |
216 |
| ×6 |
×150 |
|
|
168.3 |
159 |
254 |
219 |
| ×8 |
×200 |
|
|
219.1 |
219 |
254 |
229 |
| ×10 |
×250 |
|
|
273 |
273 |
254 |
241 |
| ×12 |
×300 |
|
|
323.9 |
325 |
254 |
254 |
| 14×6 |
350×150 |
355.6 |
377 |
168.3 |
159 |
279 |
238 |
| ×8 |
×200 |
|
|
219.1 |
219 |
279 |
248 |
| ×10 |
×250 |
|
|
273 |
273 |
279 |
257 |
| ×12 |
×300 |
|
|
323.9 |
325 |
279 |
270 |
| ×14 |
×350 |
|
|
355.6 |
377 |
279 |
279 |
| 16×6 |
400×150 |
406.4 |
426 |
168.3 |
159 |
305 |
264 |
| ×8 |
×200 |
|
|
219.1 |
219 |
305 |
273 |
| ×10 |
×250 |
|
|
273 |
273 |
305 |
283 |
| ×12 |
×300 |
|
|
323.9 |
325 |
305 |
295 |
| ×14 |
×350 |
|
|
355.6 |
377 |
305 |
305 |
| ×16 |
×400 |
|
|
406.4 |
426 |
305 |
305 |
| 18×8 |
450×200 |
457 |
478 |
219.1 |
219 |
343 |
298 |
| ×10 |
×250 |
|
|
273 |
273 |
343 |
308 |
| ×12 |
×300 |
|
|
323.9 |
325 |
343 |
321 |
| ×14 |
×350 |
|
|
355.6 |
377 |
343 |
330 |
| ×16 |
×400 |
|
|
406.4 |
426 |
343 |
330 |
| ×18 |
×450 |
|
|
457 |
478 |
343 |
343 |
| 20×8 |
500×200 |
508 |
529 |
219.1 |
219 |
381 |
324 |
| ×10 |
×250 |
|
|
273 |
273 |
381 |
333 |
| ×12 |
×300 |
|
|
323.9 |
325 |
381 |
346 |
| ×14 |
×350 |
|
|
355.6 |
377 |
381 |
356 |
| ×16 |
×400 |
|
|
406.4 |
426 |
381 |
356 |
| ×18 |
×450 |
|
|
457 |
478 |
381 |
368 |
| ×20 |
×500 |
|
|
508 |
529 |
381 |
381 |
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