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Product Standard
Flange Standard acc.to GB/T17241?6-98
Face-to-face acc.to GBl2221-89
Materials of Main Part
|
Name |
Body |
Disc |
Stem |
Spring |
Sealing |
Plug, Needle Valve |
|
Material |
HT250, WCB |
Q235A |
Q235A, 45 |
Spring Steel |
Rubber |
Cast Steel, Stainless Steel |
 Main Connection Dimensions
|
DN
(mm) |
H1 |
H2 |
L |
Φ |
n-d |
|
1.0 |
1.6 |
2.5 |
1.0 |
1.6 |
2.5 |
1.0 |
1.6 |
2.5 |
1.0 |
1.6 |
2.5 |
|
|
100 |
110 |
110 |
117.5 |
286 |
286 |
294 |
190 |
180 |
180 |
190 |
8-19 |
8-19 |
8-23 |
|
|
125 |
125 |
125 |
135 |
306 |
306 |
314 |
200- |
210 |
210 |
220 |
8-19 |
8-19 |
8-28 |
|
|
150 |
142.5 |
142.5 |
150 |
316 |
316 |
324 |
210 |
240 |
240 |
250 |
8-23 |
8-23 |
8-28 |
|
|
200 |
170 |
170 |
180 |
334 |
334 |
344 |
230 |
295 |
295 |
310 |
8-23 |
12-28 |
12-28 |
|
|
250 |
197.5 |
202.5 |
212.5 |
385 |
390 |
405 |
250 |
350 |
355 |
370 |
12-23 |
12-28 |
12-31 |
|
|
300 |
222.5 |
230 |
242.5 |
410.5 |
420 |
432 |
270 |
400 |
410 |
430 |
12-23 |
12-28 |
16-31 |
|
|
350 |
252.5 |
260 |
277.5 |
465 |
473 |
439 |
290 |
460 |
470 |
490 |
16-23 |
16-28 |
16-34 |
|
|
400 |
282.5 |
290 |
310 |
539.5 |
547 |
567 |
310 |
515 |
525 |
550 |
16-28 |
16-31 |
16-37 |
|
|
450 |
307.5 |
320 |
335 |
581.5 |
598 |
608.5 |
330 |
565 |
585 |
600 |
20-28 |
20-31 |
20-37 |
|
|
500 |
335 |
357.5 |
365 |
623 |
645 |
655 |
350 |
620 |
650 |
660 |
20-28 |
20-34 |
20-37 |
|
|
600 |
390 |
|
|
700 |
|
|
390 |
725 |
|
|
20-31 |
|
|
|
|
700 |
447.5 |
|
|
770.5 |
|
|
430 |
840 |
|
|
24-31 |
|
|
|
|
800 |
507.5 |
|
|
872.5 |
|
|
470 |
950 |
|
|
24-34 |
|
|
|
|
900 |
557.5 |
|
|
920.5 |
|
|
510 |
1050 |
|
|
28-34 |
|
|
|
|
1000 |
615 |
|
|
1003 |
|
|
550 |
1160 |
|
|
28-37 |
|
|
|
|