Butterfly valve
Product category: Knife gate valve Ball Valves Valve Gate Valves Shut-off valve Butterfly valve Check valve Glasses valve Other
Classification use: Chemical industry Water treatment Coal power plant food papermaking oil Exhibition
Name:Ventilation butterfly valve
【Product Usage】
Ventilation Butterfly valve in the metallurgy, chemical industry, building materials, power plants, glass and other industries in the ventilation, environmental protection projects of dust or cold air ducts, as gas medium to regulate flow or cut off devices
【Product Features】
1, the use of midline plate and short structural steel plate welded to the new structure design and manufacturing, compact, light weight, easy to install, flow resistance is small, the flow of large, to avoid the impact of high temperature expansion, light operation
2, no links, bolts, etc., reliable, long service life. Can be multi-station installation, not affected by the flow of media
Main profile and connection dimensions
Nominal diameter | Main dimensions and connection dimensions | |||||||
L | D1 | D | Z-d | H | H0 | A | B | |
50 | 108 | 110 | 140 | 4-14 | 70 | 215 | 270 | 65 |
65 | 112 | 130 | 160 | 4-14 | 80 | 235 | 270 | 65 |
80 | 124 | 150 | 190 | 4-18 | 95 | 263 | 270 | 65 |
100 | 127 | 170 | 210 | 4-18 | 105 | 283 | 270 | 65 |
125 | 140 | 200 | 240 | 8-18 | 120 | 313 | 310 | 65 |
150 | 140 | 225 | 265 | 8-18 | 132.5 | 338 | 310 | 65 |
200 | 152 | 280 | 320 | 8-18 | 160 | 493 | 365 | 90 |
250 | 165 | 335 | 375 | 12-18 | 187.5 | 550 | 365 | 90 |
300 | 178 | 395 | 440 | 12-22 | 220 | 615 | 365 | 90 |
350 | 190 | 445 | 490 | 12-22 | 245 | 678 | 365 | 90 |
400 | 216 | 495 | 540 | 16-22 | 270 | 727 | 365 | 90 |
450 | 222 | 550 | 595 | 16-22 | 297.5 | 782 | 365 | 90 |
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