Suzhou Alpine Flow Control Co., Ltd
Suzhou Alpine Flow Control Co., Ltd Be The Market Leader In Water Flow Control Valve
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Long Life Ductile Iron Double Eccentric Butterfly Valve With Both Side Seal
Description:
AFC's Double Eccentric Flange Butterfly Valve (we call abbreviated FBGD) is a newly advanced design butterfly valve. It can be Online repairing by EPOXY. The special technology can help user to repair the Double Eccentric Flange Butterfly Valve without taking the valve out of the pipeline. The user only needs to repair it from the exterior of the butterfly valve without going into the pipeline. Please consult the factory and we will show you how to repair the BV when the rubber seal is damaged. No single screws,entirely boltless, to fixing the rubber seal which gives no chance for rusting or loosing issues,thus service life is prolonged a lot.
Opening Degree VS Flow Coefficient Kv
| KV Value | |||||||||
| Opening degree | |||||||||
| DN | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 |
| 100 | 8 | 12 | 26 | 62 | 124 | 168 | 311 | 495 | 624 |
| 150 | 13 | 51 | 103 | 173 | 276 | 442 | 719 | 1041 | 1184 |
| 200 | 17 | 108 | 191 | 304 | 488 | 794 | 1260 | 1854 | 2152 |
| 250 | 22 | 177 | 309 | 485 | 768 | 1242 | 1989 | 2897 | 3363 |
| 300 | 26 | 252 | 454 | 698 | 1099 | 1786 | 2835 | 4212 | 4843 |
| 350 | 33 | 302 | 622 | 1152 | 1702 | 2203 | 3652 | 6152 | 7302 |
| 400 | 51 | 351 | 751 | 1402 | 2142 | 2822 | 4602 | 7602 | 8402 |
| 450 | 55 | 414 | 952 | 1632 | 2522 | 3402 | 5602 | 8962 | 11002 |
| 500 | 67 | 472 | 1077 | 1922 | 2572 | 4582 | 7922 | 11812 | 14242 |
| 600 | 80 | 750 | 1718 | 3062 | 4100 | 7304 | 12612 | 18802 | 22682 |
| 700 | 97 | 868 | 2168 | 3982 | 5178 | 9272 | 16052 | 23432 | 28852 |
| 800 | 194 | 1390 | 3036 | 5576 | 7766 | 12702 | 22152 | 33472 | 46282 |
| 900 | 290 | 1762 | 3902 | 6972 | 9582 | 16822 | 28222 | 43452 | 52902 |
| 1000 | 362 | 2190 | 5056 | 8502 | 11442 | 21052 | 36162 | 52102 | 63402 |
| 1200 | 506 | 2733 | 6746 | 12261 | 15971 | 29201 | 48902 | 73802 | 90802 |
Operating Torque
| Bare Head Torque (Nm) | ||
| DN | PN10 | PN16 |
| 100 | 70 | 85 |
| 150 | 118 | 128 |
| 200 | 190 | 210 |
| 250 | 228 | 250 |
| 300 | 345 | 372 |
| 350 | 600 | 760 |
| 400 | 960 | 1160 |
| 450 | 972 | 1280 |
| 500 | 1040 | 1680 |
| 600 | 1800 | 2500 |
| 700 | 1944 | 2592 |
| 800 | 3240 | 4428 |
| 900 | 4100 | 5300 |
| 1000 | 5850 | 7245 |
| 1200 | 8280 | 13320 |
Material
DN100-DN500
DN600-DN1200
Dimension: