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A butterfly valve is a valve that isolates or regulates the flow of a fluid. The closing mechanism is a disk that rotates.The disc is positioned in the center of the pipe. A rod passes through the disc to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, so it induces a pressure drop, even when open.
The wafer style butterfly valve is designed to maintain a seal against bi-directional pressure differential to prevent any backflow in systems designed for unidirectional flow. It accomplishes this with a tightly fitting seal; gasket, o-ring, precision machined, and a flat valve face on the upstream and downstream sides of the valve.
Main Specifiaction
| Size | Operate type | Pressure | Work temperature | Seal material | Disc material | Body material | Meduim | ||||
| DN40-DN1000 | Pneumatic actuator | PN6 | -15℃-85℃ | EPDM | Ductile iron | SS304/316 | Water | ||||
| Electric actuator | PN10 | -25℃-150℃ | PTFE | SS304/316 | WCB | Oil | |||||
| Manual hand lever | PN16 | NBR | WCB | Aluminu m alloy | Gas | ||||||
| Worm gear | ANSI150 | VITON | Aluminum brozen | Ductile iron | Powder | ||||||
| JIS5K/10K/16K | |||||||||||
Main Dimension
| DN | L | PN(10/16) | φB | H | H1 | G*f/K | J | H2 | φE | Z-φ | φD | φD1 | φD2 | |
| φA | N-M | |||||||||||||
| 40 | 42 | 110 | 4-16 | 65/90 | 193 | 60 | 12.6*9/11 | 1-3 | 27 | 50/70 | 4-7.5/10 | 101 | 76 | 48 |
| 50 | 42 | 125 | 4-16 | 65/90 | 193 | 60 | 12.6*9/11 | 1-3 | 27 | 50/70 | 4-7.5/10 | 101 | 76 | 48 |
| 65 | 45 | 145 | 4-16 | 65/90 | 212 | 70 | 12.6*9/11 | 1-3 | 27 | 50/70 | 4-7.5/10 | 117 | 89 | 62 |
| 80 | 45 | 160 | 8-16 | 65/90 | 232 | 82 | 12.6*9/11 | 1-3 | 27 | 50/70 | 4-7.5/10 | 127 | 103 | 77 |
| 100 | 52 | 180 | 8-16 | 90 | 280 | 101 | 16*11/11 | 1-5 | 27 | 70 | 4-10 | 157 | 135 | 98 |
| 125 | 55 | 210 | 8-16 | 90 | 302 | 117 | 18.9*13/14 | 1-5 | 27 | 70 | 4-10 | 181 | 159 | 121 |
| 150 | 55 | 240 | 8-20 | 90 | 330 | 129 | 18.9*13/14 | 1-5 | 27 | 70 | 4-10 | 214 | 188 | 148 |
| 200 | 60 | 295 | 8-20/12-20 | 120 | 419 | 166 | 22*16/17 | 1-5 | 40 | 102 | 4-12 | 266 | 238 | 200 |
| 250 | 66 | 350/355 | 12-20/12-24 | 120 | 482 | 195 | 28.5*22/22 | 1-8 | 45 | 102 | 4-12 | 318 | 292 | 248 |
| 300 | 76 | 400/410 | 12-20/12-24 | 150 | 553 | 236 | 31.6/22 | 1-8 | 50 | 102/125 | 4-12/14 | 374 | 344 | 299 |
| 350 | 76 | 460/470 | 16-20/16-24 | 150 | 635 | 267 | 31.6/22 | 1-8 | 50 | 102/125 | 4-12/14 | 436 | 375 | 331 |
| 400 | 86 | 515/525 | 16-24/16-27 | 197 | 709 | 309 | 33.3/27 | 1-10 | 64 | 125/140 | 4-14/18 | 488 | 439 | 387 |
| 450 | 105 | 565/585 | 20-24/20-27 | 197 | 750 | 328 | 38/27 | 1-12 | 64 | 140/165 | 4-18/22 | 539 | 490 | 438 |
| 500 | 130 | 620/650 | 20-24/20-30 | 197 | 840 | 360 | 41/36 | 1-12 | 64 | 165 | 4-22 | 594 | 535 | 489 |
| 600 | 151 | 725/770 | 20-27/20-33 | 276 | 1021 | 459 | 50.5/36 | 2-16 | 70 | 165 | 4-22 | 693 | 653 | 590 |
| 700 | 163 | 840 | 24-27/24-33 | 300 | 1140 | 520 | 60/46 | 2-18 | 82 | 254 | 8-18 | 804 | 744 | 692 |
| 800 | 188 | 950 | 24-30/24-36 | 300 | 1263 | 591 | 60/46 | 2-20 | 82 | 254 | 8-18 | 910 | 849 | 792 |
| 900 | 203 | 1050 | 28-30/28-36 | 300 | 1376 | 656 | 75/55 | 2-22 | 118 | 254 | 8-18 | 1008 | 947 | 861 |
| 1000 | 216 | 1160/1170 | 28-33/28-39 | 300 | 1522 | 722 | 85/55 | 2-25 | 148 | 254 | 8-18 | 1107 | 1053 | 961 |
A butterfly valve is a valve that isolates or regulates the flow of a fluid. The closing mechanism is a disk that rotates.The disc is positioned in the center of the pipe. A rod passes through the disc to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, so it induces a pressure drop, even when open.
The wafer style butterfly valve is designed to maintain a seal against bi-directional pressure differential to prevent any backflow in systems designed for unidirectional flow. It accomplishes this with a tightly fitting seal; gasket, o-ring, precision machined, and a flat valve face on the upstream and downstream sides of the valve.
Main Specifiaction
| Size | Operate type | Pressure | Work temperature | Seal material | Disc material | Body material | Meduim | ||||
| DN40-DN1000 | Pneumatic actuator | PN6 | -15℃-85℃ | EPDM | Ductile iron | SS304/316 | Water | ||||
| Electric actuator | PN10 | -25℃-150℃ | PTFE | SS304/316 | WCB | Oil | |||||
| Manual hand lever | PN16 | NBR | WCB | Aluminu m alloy | Gas | ||||||
| Worm gear | ANSI150 | VITON | Aluminum brozen | Ductile iron | Powder | ||||||
| JIS5K/10K/16K | |||||||||||
Main Dimension
| DN | L | PN(10/16) | φB | H | H1 | G*f/K | J | H2 | φE | Z-φ | φD | φD1 | φD2 | |
| φA | N-M | |||||||||||||
| 40 | 42 | 110 | 4-16 | 65/90 | 193 | 60 | 12.6*9/11 | 1-3 | 27 | 50/70 | 4-7.5/10 | 101 | 76 | 48 |
| 50 | 42 | 125 | 4-16 | 65/90 | 193 | 60 | 12.6*9/11 | 1-3 | 27 | 50/70 | 4-7.5/10 | 101 | 76 | 48 |
| 65 | 45 | 145 | 4-16 | 65/90 | 212 | 70 | 12.6*9/11 | 1-3 | 27 | 50/70 | 4-7.5/10 | 117 | 89 | 62 |
| 80 | 45 | 160 | 8-16 | 65/90 | 232 | 82 | 12.6*9/11 | 1-3 | 27 | 50/70 | 4-7.5/10 | 127 | 103 | 77 |
| 100 | 52 | 180 | 8-16 | 90 | 280 | 101 | 16*11/11 | 1-5 | 27 | 70 | 4-10 | 157 | 135 | 98 |
| 125 | 55 | 210 | 8-16 | 90 | 302 | 117 | 18.9*13/14 | 1-5 | 27 | 70 | 4-10 | 181 | 159 | 121 |
| 150 | 55 | 240 | 8-20 | 90 | 330 | 129 | 18.9*13/14 | 1-5 | 27 | 70 | 4-10 | 214 | 188 | 148 |
| 200 | 60 | 295 | 8-20/12-20 | 120 | 419 | 166 | 22*16/17 | 1-5 | 40 | 102 | 4-12 | 266 | 238 | 200 |
| 250 | 66 | 350/355 | 12-20/12-24 | 120 | 482 | 195 | 28.5*22/22 | 1-8 | 45 | 102 | 4-12 | 318 | 292 | 248 |
| 300 | 76 | 400/410 | 12-20/12-24 | 150 | 553 | 236 | 31.6/22 | 1-8 | 50 | 102/125 | 4-12/14 | 374 | 344 | 299 |
| 350 | 76 | 460/470 | 16-20/16-24 | 150 | 635 | 267 | 31.6/22 | 1-8 | 50 | 102/125 | 4-12/14 | 436 | 375 | 331 |
| 400 | 86 | 515/525 | 16-24/16-27 | 197 | 709 | 309 | 33.3/27 | 1-10 | 64 | 125/140 | 4-14/18 | 488 | 439 | 387 |
| 450 | 105 | 565/585 | 20-24/20-27 | 197 | 750 | 328 | 38/27 | 1-12 | 64 | 140/165 | 4-18/22 | 539 | 490 | 438 |
| 500 | 130 | 620/650 | 20-24/20-30 | 197 | 840 | 360 | 41/36 | 1-12 | 64 | 165 | 4-22 | 594 | 535 | 489 |
| 600 | 151 | 725/770 | 20-27/20-33 | 276 | 1021 | 459 | 50.5/36 | 2-16 | 70 | 165 | 4-22 | 693 | 653 | 590 |
| 700 | 163 | 840 | 24-27/24-33 | 300 | 1140 | 520 | 60/46 | 2-18 | 82 | 254 | 8-18 | 804 | 744 | 692 |
| 800 | 188 | 950 | 24-30/24-36 | 300 | 1263 | 591 | 60/46 | 2-20 | 82 | 254 | 8-18 | 910 | 849 | 792 |
| 900 | 203 | 1050 | 28-30/28-36 | 300 | 1376 | 656 | 75/55 | 2-22 | 118 | 254 | 8-18 | 1008 | 947 | 861 |
| 1000 | 216 | 1160/1170 | 28-33/28-39 | 300 | 1522 | 722 | 85/55 | 2-25 | 148 | 254 | 8-18 | 1107 | 1053 | 961 |
