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Comprehensive Guide to Electric Butterfly Valves: Principles, Applications, and Advantages
Electric butterfly valves play a crucial role in industrial automation, off...
PVC butterfly pneumatic actuated valve has the advantages of simple structure, reliable sealing, light opening, long service life and convenient maintenance. Therefore, it is widely used in various pipelines of water supply and drainage, building fire protection, etc., especially in fire protection pipelines.
| NO | Name | Material |
| 1 | Body | RPP.PVDF.PPH.ABS.UPVC.CPVC |
| 2 | Disc | RPP.PVDF.PPH.ABS.UPVC.CPVC |
| 3 | Stem | ICr18Ni9Ti |
| 4 | Valve Seat | EPDM.FRM |
| 5 | Sealing Ring | EPDM.FRM |
| 6 | Electric Actuator | Aluminium alloy |
| DN(mm) | D3 | D1 | D2 | L | L1 | n-∅ |
Platform Center Distance |
The Stem Size | Reference Pneumatic Model | ||||
| D1 | JIS | DIN | ANSI | Swicth Type | Regulation | ||||||||
| 25 | 115 | 85 | 90 | 85 | 80 | 75 | 35 | 140 | 4-14 | 50/70 | 11*11 | 05 | 05 |
| 32 | 135 | 100 | 90 | 80 | 39 | 140 | 4-18 | 50/70 | 11*11 | 05 | 05 | ||
| 40 | 145 | 110 | 105 | 110 | 98 | 80 | 39 | 140 | 4-18 | 50/70 | 11*11 | 05 | 05 |
| 50 | 160 | 125 | 120 | 125 | 120 | 85 | 45 | 150 | 4-18 | 50/70 | 11*11 | 05 | 05 |
| 65 | 180 | 145 | 140 | 145 | 140 | 105 | 48 | 150 | 4-18 | 50/70 | 11*11 | 05 | 05 |
| 80 | 195 | 160 | 150 | 160 | 152 | 120 | 48 | 165 | 8-18 | 50/70 | 11*11 | 05 | 05 |
| 100 | 215 | 180 | 175 | 180 | 190 | 138 | 58 | 165 | 8-18 | 50/70 | 11*11 | 05 | 05 |
| 125 | 245 | 210 | 210 | 210 | 216 | 183 | 70 | 190 | 8-18 | 102 | 14*14 | 10 | 10 |
| 150 | 280 | 240 | 240 | 240 | 240 | 200 | 76 | 230 | 8-23 | 102 | 14*14 | 10 | 10 |
| 200 | 335 | 295 | 290 | 295 | 298 | 260 | 92 | 260 | 8-23 | 89 | 17*17 | 16 | 16 |
| 250 | 395 | 350 | 355 | 350 | 362 | 306 | 114 | 300 | 12-23 | 89 | 17*17 | 20 | 20 |
| 300 | 445 | 400 | 400 | 400 | 432 | 360 | 120 | 390 | 12-23 | 89 | 22*22 | 40 | 40 |
| 350 | 505 | 460 | 445 | 460 | 476 | 422 | 130 | 390 | 16-23 | 125 | 22*22 | 60 | 60 |
| 400 | 560 | 515 | 510 | 515 | 540 | 482 | 140 | 535 | 16-23 | 125 | 22*22 | 60 | 60 |
| 450 | 565 | 565 | 565 | 578 | 615 | 520 | 152 | 590 | 20-26 | 125/140 | ∅32*T10 | 100 | 100 |
| 500 | 620 | 620 | 620 | 635 | 670 | 590 | 152 | 640 | 20-26 | 125/140 | ∅32*T10 | 100 | 100 |
| 600 | 725 | 730 | 725 | 749 | 780 | 685 | 178 | / | 20-30 | 125/140 | ∅32*T10 | 200 | 200 |
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