continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for China Cheap price China Double Flange Ended Rubber Seal Butterfly Valve, If possible, make sure you send your necessities with a detailed list including the style/item and quantity you require. We’ll then mail our greatest selling prices to you.
continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for China Valves, rubber seal wafer butterfly valve, ptfe lining wafer butterfly valve,gear operated lug butterfly valve, With nearly 30 years’ experience in business, we have been confident in superior service, quality and delivery. We warmly welcome customers from all over the world to cooperate with our company for common development.
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