Top Manufacturers of Pneumatic Positioners in the United States
The United States industrial landscape relies heavily on pneumatic position...
Electric PVC butterfly valve body with light weight, strong corrosion resistance, compact and beautiful appearance, light weight body easy to install, a wide range of applications, material hygiene without DU, wear-resistant, easy to disassemble, easy maintenance, suitable for fluid: water , air, oils, corrosive chemical liquids, etc.

| Size | H1 | H | C | n | e | D | h | B | M | d1 | T | d2 | d |
| 2" | 79 | 87 | 123 | 4 | 20 | 54 | 27 | 11 | 70 | 8.5 | 50 | 7 | 25 |
| 2- 1/2" | 90 | 96 | 143 | 4 | 21 | 67 | 27 | 11 | 70 | 8.5 | 50 | 7 | 27 |
| 3" | 96 | 114 | 157 | 4 | 21 | 83 | 28 | 11 | 70 | 8.5 | 50 | 7 | 24 |
| 4" | 110 | 127 | 186 | 8 | 21 | 101 | 28 | 14 | 70 | 8.5 | 50 | 7 | 30 |
| 5" | 127 | 157 | 213 | 8 | 24 | 127 | 31 | 17 | 102 | 11 | 70 | 8.5 | 28 |
| 6" | 145 | 170 | 240 | 8 | 24 | 152 | 32 | 17 | 102 | 11 | 70 | 8.5 | 29 |
| 8" | 172 | 213 | 298 | 8 | 24 | 200 | 34 | 17 | 102 | 11 | 70 | 8.5 | 30 |
| 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 |
| 7 | Signal Switch |
| DN(mm) | D3 | D1 | D2 | L | L1 | n-∅ | Platform Center Distance | The Stem Size | Reference Pneumatic Model | ||||
| D1 | JIS | DIN | ANSI | Double-acting | Single-acting | ||||||||
| 25 | 115 | 85 | 90 | 35 | 80 | 75 | 35 | 140 | 4-14 | 50/70 | 11*11 | 52 | 63 |
| 32 | 135 | 100 | 39 | 90 | 80 | 39 | 140 | 4-18 | 50/70 | 11*11 | 52 | 63 | |
| 40 | 145 | 110 | 105 | 39 | 98 | 80 | 39 | 140 | 4-18 | 50/70 | 11*11 | 52 | 63 |
| 50 | 160 | 125 | 120 | 45 | 120 | 85 | 45 | 150 | 4-18 | 50/70 | 11*11 | 63 | 63 |
| 65 | 180 | 145 | 140 | 48 | 140 | 105 | 48 | 150 | 4-18 | 50/70 | 11*11 | 63 | 75 |
| 80 | 195 | 160 | 150 | 48 | 152 | 120 | 48 | 165 | 8-18 | 50/70 | 11*11 | 75 | 75 |
| 100 | 215 | 180 | 175 | 58 | 190 | 138 | 58 | 165 | 8-18 | 50/70 | 11*11 | 75 | 83 |
| 125 | 245 | 210 | 210 | 70 | 216 | 183 | 70 | 190 | 8-18 | 102 | 14*14 | 83 | 92 |
| 150 | 280 | 240 | 240 | 76 | 240 | 200 | 76 | 230 | 8-23 | 102 | 14*14 | 90 | 105 |
| 200 | 335 | 295 | 290 | 92 | 298 | 260 | 92 | 260 | 8-23 | 89 | 17*17 | 110 | 125 |
| 250 | 395 | 350 | 355 | 114 | 362 | 306 | 114 | 300 | 12-23 | 89 | 17*17 | 140 | 160 |
| 300 | 445 | 400 | 400 | 120 | 432 | 360 | 120 | 390 | 12-23 | 89 | 22*22 | 160 | 190 |
| 350 | 505 | 460 | 445 | 130 | 476 | 422 | 130 | 390 | 16-23 | 125 | 22*22 | 190 | 240 |
| 400 | 560 | 515 | 510 | 140 | 540 | 482 | 140 | 535 | 16-23 | 125 | 22*22 | 210 | 270 |
| 450 | 565 | 565 | 565 | 152 | 615 | 520 | 152 | 590 | 20-26 | 125/140 | ∅32*T10 | 240 | / |
| 500 | 620 | 620 | 620 | 152 | 670 | 590 | 152 | 640 | 20-26 | 125/140 | ∅32*T10 | 270 | / |
| 600 | 725 | 730 | 725 | 178 | 780 | 685 | 178 | / | 20-30 | 125/140 | ∅32*T10 | / | / |




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