Assume full accountability to fulfill all demands of our purchasers; attain continual advancements by marketing the advancement of our clientele; grow to be the final permanent cooperative partner of purchasers and maximize the interests of purchasers for High Quality China Level Handle Di Disc Wafer Butterfly Valve for Fire Fighting, As an expert specialized in this field, we are committed to solving any problem of large temperature protection for users.
Assume full accountability to fulfill all demands of our purchasers; attain continual advancements by marketing the advancement of our clientele; grow to be the final permanent cooperative partner of purchasers and maximize the interests of purchasers for Butterfly Valve, China Wafer Butterfly Valve, Fire Fighting Butterfly Valve, Pneumatic Lug Butterfly Valve, We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of “good quality, reasonable price, the first-class service”. We are willing to build long-term, friendly and mutually beneficial cooperation with you.

Technical data
|
DN Nominal diameter |
50(2″) ~300 (12″) |
||
|
PN Nominal pressure |
1.0 |
1.6 |
|
|
Testing pressure |
Shell |
1.1 |
1.76 |
|
Sealing |
1.5 |
2.4 |
|
|
°C Wbrking temperature |
-15-+150 |
||
|
Suitable mediums |
Fresh water,sewage, sea water, air, steam, food, medicine, oils, acids, etc. |
||
Main dimensions
| DN | A | B | C | E | L | H | a | D1 | D2 | D3 | D4 | N-D5 | D6 | D7 | D8 | D9 | D10 | |
| mm | inch | |||||||||||||||||
| 50 | 2″ | 280 | 161 | 42.04 | 52.9 | 32 | 9.52 | 45° | 83 | 11 | 52.6 | 120 | 4-23 | 70 | 10 | 102 | 100 | 12.6 |
| 65 | 21/2″ | 303 | 175 | 44.68 | 64.5 | 32 | 9.52 | 45° | 83 | 11 | 64.3 | 136.13 | 4-26.6 | 70 | 10 | 102 | 120 | 12。6 |
| 80 | 3″ | 315 | 181 | 45.21 | 78.8 | 32 | 9.52 | 45°/22.5° | 83 | 11 | 78.8 | 152.4/160.0 | 4-24/4-18 | 70 | 10 | 102 | 127 | 12.6 |
| 100 | 4″ | 353 | 200 | 52.07 | 104 | 32 | 11.11 | 45°/22.5° | 83 | 11 | 104 | 177.8/185.16 | 4.17.5/4-25.8 | 70 | 10 | 102 | 156 | 15.77 |
| 125 | 5″ | 379 | 213 | 54.36 | 123.3 | 32 | 12.7 | 22.5° | 83 | 11 | 123.3 | 215.01 | 4-23 | 70 | 10 | 102 | 190 | 18.92 |
| 150 | 6″ | 404 | 226 | 55.75 | 155.6 | 32 | 12.7 | 22.5° | 83 | 11 | 155.7 | 238.12 | 4-25 | 70 | 10 | 102 | 212 | 18.92 |
| 200 | 8″ | 487 | 260 | 60.58 | 202.5 | 45 | 15.87 | 15°/22.5° | 127 | 14 | 202.4 | 296.07 | 4-23/4-26 | 102 | 12 | 152 | 268 | 22.1 |
| 250 | 10″ | 547 | 292 | 65.63 | 250.5 | 51 | - | 22.5°/15° | 127 | 14 | 250.4 | 357 | 4-22/4-29 | 102 | 12 | 152 | 325 | 28.45 |
| 300 | 12″ | 631 | 337 | 76.9 | 301.6 | 51 | - | 15° | 127 | 14 | 301.5 | 406.4/431.8 | 4-30.2/4-25.4 | 102 | 12 | 152 | 403 | 28.45 |
Qualification certificate




Exhibition
Our valves received a lot of attention at the Dubai show.



Factory



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