Description
The disc of the wafer butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, and the rotation angle is between 0° and 90°. When it rotates to 90°, the valve is fully open. This valve is generally installed horizontally. The wafer butterfly valve is simple in structure, small in size and light in weight, and only consists of a few parts. And it only needs to rotate 90° to open and close quickly, the operation is simple, and the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the thickness of the disc is the only resistance when the medium flows through the valve body, so the pressure drop generated by the valve is very small, so it has better flow control characteristics
Overall &Connection Dimensions &Weight
Norminal Diameters | Size(mm) | Weight(kg) | ||||||||||||||
mm | inch | A | B | C | D | L | H | D1 | n-∅ | K | E | ni-∅1 | ∅2 | G | n2-M | |
50 | 2″ | 161 | 80 | 42 | 52.9 | 32 | 84.84 | 120 | 4-23 | 77 | 57.15 | 4-6.7 | 12.6 | 118 | – | 2.5 |
65 | 2.5″ | 175 | 89 | 44.7 | 64.5 | 32 | 96.2 | 136 | 4-26.5 | 77 | 57.15 | 4-6.7 | 12.6 | 137 | – | 3.2 |
80 | 3″ | 181 | 95 | 45.2 | 78.8 | 32 | 61.23 | 160 | 8-18 | 77 | 57.15 | 4-6.7 | 12.6 | 143 | – | 3.6 |
100 | 4″ | 200 | 114 | 52.1 | 104 | 32 | 70.8 | 185 | 4-24.5 | 92 | 69.85 | 4-10.3 | 15.77 | 156 | – | 4.9 |
125 | 5″ | 213 | 127 | 54.4 | 123.3 | 32 | 82.28 | 215 | 4-23 | 92 | 69.85 | 4-10.3 | 18.92 | 190 | – | 7 |
150 | 6″ | 226 | 139 | 55.8 | 155.6 | 32 | 91.08 | 238 | 4-25 | 92 | 69.85 | 4-10.3 | 18.92 | 212 | – | 7.8 |
200 | 8″ | 260 | 175 | 60.6 | 202.5 | 45 | 112.89 76.35 |
295 | 4-25 4-23 |
115 | 88.9 | 4-14.3 | 22.1 | 268 | – | 13.2 |
250 | 10″ | 292 | 203 | 65.6 | 250.5 | 45 | 92.4 | 357 | 4-29 | 115 | 88.9 | 4-14.3 | 28.45 | 325 | – | 19.2 |
300 | 12″ | 337 | 242 | 76.9 | 301.6 | 45 | 105.34 | 407 | 4-29 | 140 | 107.95 | 4-14.3 | 31.6 | 403 | – | 32.5 |
350 | 14″ | 368 | 267 | 76.5 | 333.3 | 45 | 91.11 | 467 | 4-30 | 140 | 107.95 | 4-14.3 | 31.6 | 438 | – | 41.3 |
400 | 16″ | 400 | 309 | 86.5 | 389.6 | 51.2 72 |
100.47 102.42 |
515 525 |
4-26 4-30 |
197 | 158.74 | 4-20.6 | 33.15 | 488 | – | 61 |
450 | 18″ | 422 | 328 | 106 | 440.51 | 51.2 72 |
88.39 91.51 |
565 585 |
4-26 4-30 |
197 | 158.75 | 4-20.6 | 38 | 539 | – | 79 |
500 | 20″ | 480 | 361 | 132 | 491.6 | 64.2 82 |
96.99 101.68 |
620 650 |
4-26 4-33 |
197 | 158.75 | 4-20.6 | 41.15 | 593 | – | 128 |
600 | 24″ | 562 | 459 | 152 | 592.5 | 70.2 82 |
113.42 120.46 |
725 770 |
20-30 20-36 |
276 | 215.9 | 4-22.2 | 50.65 | 816 | – | 188 |
700 | 28″ | 624 | 520 | 163 | 695 | 66 82 |
109.7 | 840 | 24-30 20-36 |
300 | 254 | 8-18 | 55 63.35 |
895 | 4-M33 | 284 |
800 | 32″ | 672 | 591 | 188 | 794.7 | 66 82 |
124 | 950 | 24-33 24-39 |
300 | 254 | 8-18 | 55 63.35 |
1015 | – | 368 |
900 | 36″ | 720 | 656 | 203 | 864.7 | 118 | 117.57 | 1050 | 24-33 | 300 | 254 | 8-18 | 85 | 1115 | 4-M33 | 713 |
1000 | 40″ | 800 | 721 | 216 | 956 | 142 | 129.89 | 1160 | 24-36 | 300 | 254 | 8-18 | 85 | 1230 | 4-M33 | 864 |
Application
Products are widely used in metallurgy, electric power, gas, petroleum, chemical, building materials, municipal, air conditioning, water supply and drainage, sewage treatment and other industries.
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