Pipe Net Butterfly Valve
Overview
The Butterfly Valve uses a round plate turning along with the stem as the open-close part and is used mainly as a cutoff valve, also working with adjusting or cutoff and adjusting function.
Features
- Small fluid resistance.
- Easy and quick and labor-saving open-close, which can be finished just with the butterfly plate rotating 90° .
- The eccentric design makes the sealing face uneasily worn out and the butterfly valve long durable.
- With the part material changed and paired, multiple media can be used.
Executive Standard
- Design and manufacture standard, GB/T12238.
- Flange standard. GB/T17241.6(cast iron). GB/T9113(cast steel).
- Test and inspection. GB/T13927.
Performance Parameters
- PN:PN1.0MPa, PN1.6,PN2.5MPa.
- DN:DN150-2000mm.
- Strength test Pressure: 1.5 MPa. 2.4MPa,3.75MPa.
- Strength test Pressure: 1.1MPa. 1.76MPa,2.75MPa.
- Suitable temperature: 0-80°C.
- Suitable medium: water, steam, oil goods etc.
- Structural length standard: GB/T 12221.
- Flange standard: GB/T 79.
Main Part Materials
| Title Of Parts | Body | Valve core | Valve shaft | Seal ring | Packing | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Material |
Ductile Iron |
Ductile Iron |
Stainless steel |
Rubber |
O-seal ring |
||||||
|
Carbon steel |
Carbon steel |
Stainless steel |
Stainless steel |
Flexible graohite |
|||||||
|
Stainless steel |
Stainless Steel |
Stainless Steel |
Stainless Steel |
Flexible graphite |
Main dimensions
|
DN |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
700 |
800 |
900 |
1000 |
1200 |
1400 |
1600 |
1800 |
||||
|
L |
152 |
250 |
270 |
290 |
310 |
330 |
350 |
390 |
430 |
470 |
510 |
550 |
600 |
710 |
790 |
870 |
||||
|
D |
340 |
395 |
445 |
505 |
565 |
615 |
670 |
780 |
895 |
1015 |
1115 |
1230 |
1455 |
1675 |
1915 |
2115 |
||||
|
D1 |
295 |
350 |
400 |
460 |
515 |
565 |
620 |
725 |
840 |
950 |
1050 |
1160 |
1380 |
1590 |
1820 |
2020 |
||||
|
D2 |
266 |
319 |
370 |
429 |
480 |
530 |
582 |
682 |
794 |
901 |
1001 |
1112 |
1328 |
1530 |
1750 |
1950 |
||||
|
L2 |
160 |
209 |
209 |
258 |
258 |
258 |
323 |
323 |
430 |
430 |
430 |
582 |
582 |
730 |
730 |
730 |
||||
|
H2 |
260 |
285 |
320 |
365 |
398 |
420 |
445 |
510 |
588 |
640 |
720 |
747 |
855 |
1050 |
1250 |
1350 |
||||
|
H1 |
190 |
220 |
243 |
275 |
310 |
335 |
363 |
418 |
490 |
546 |
612 |
648 |
761 |
920 |
1100 |
1150 |
||||
|
Z-do |
8-23 |
12-23 |
12-23 |
16-23 |
16-28 |
20-28 |
20-28 |
20-31 |
24-31 |
24-34 |
28-34 |
28-37 |
32-40 |
36-42 |
40-48 |
44-48 |
||||
|
H |
649 |
756 |
756 |
906 |
974 |
1021 |
1132 |
1252 |
1426 |
1534 |
1680 |
1768 |
1898 |
2380 |
2516 |
2900 |
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