Suzhou Alpine Flow Control Co., Ltd
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EN593 Two Side Sealing Double Flange Double Eccentric Butterfly Valve Ductile Iron
Online Repairing Feature:
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.
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 |
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 |
Material
DN100-DN500
DN600-DN1200
Dimension: