一、 Mai External And Connel ting Dimensionse
| Nominal diameter |
L |
D |
D1 |
b |
n-φd1 |
H |
| mm |
in |
| 50 |
2″ |
178 |
160 |
125 |
20 |
4-18 |
245 |
| 65 |
21/2″ |
190 |
180 |
145 |
20 |
4-18 |
275 |
| 80 |
3″ |
203 |
195 |
160 |
21 |
4-18/8-18 |
305 |
| 100 |
4″ |
229 |
215 |
180 |
21 |
8-18 |
330 |
| 125 |
5″ |
254 |
245 |
210 |
22 |
8-18 |
375 |
| 150 |
6″ |
267 |
285 |
240 |
22 |
8-23 |
415 |
| 200 |
8″ |
292 |
335 |
295 |
23 |
8-23/2-23 |
510 |
| 250 |
10″ |
330 |
390/405 |
350/355 |
24 |
12-23/12-25 |
620 |
| 300 |
12″ |
356 |
440/460 |
400/410 |
25 |
12-23/12-25 |
700 |
| 350 |
14″ |
381 |
500/520 |
460/470 |
26 |
16-23/6-25 |
785 |
| 400 |
16″ |
406 |
565/580 |
515/525 |
40 |
16-25/16-30 |
855 |
| 450 |
18″ |
432 |
615/640 |
565/585 |
44 |
20-25/20-30 |
950 |
| 500 |
20″ |
457 |
670/705 |
620/650 |
46 |
20-25/20-34 |
1050 |
| 600 |
24″ |
508 |
780/840 |
725/770 |
54 |
20-30/20-41 |
1200 |
Note：①The external dimensions above are per GB(the national standard)②Manufacture per BS5163，DIN3352 and JIS5527 is also available
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