Pneumatic Desulfurization Wafer Butterfly Valve
Dimensions & constructral diagram
D671X/F/J/H/S-10/16C/Q/P pneumatic desulfurization wafer(lined rubber) butterfly valve constructral diagram(pic1)
D671X/F/J/H/S-10/16C/Q/P pneumatic desulfurization wafer(lined rubber) butterfly valve constructral diagram(pic2)
Main performance and specifications
| Suitable temperature | Applicable medium |
| Natural rubber≤85℃ | gypsum slurry, limestone slurry, recycling water, process water, wastewater |
| EPDM≤100℃ |
The materials of main parts
| name | materials |
| body | grey cast iron,ductile cast iron, carbon steel |
| disc | Carbon steel packed with rubber,carbon steel packed with fluorine plastics, stainless steel,duplex stainless steel palte 1.4529、C276 |
| seat | Natural rubber, EPDM, |
| stem | Stainless steel, 2Cr13, 304 |
The main external and connection dimensions: (mm)
| Nominal diameter(DN) | L | D | D1 | Z-Ф | A | B | H | H1 | weight(kg) |
| 40 | 33 | 150 | 110 | 4-18 | 127 | 60 | 214 | 60 | 6 |
| 50 | 43 | 165 | 125 | 4-18 | 127 | 60 | 234 | 64 | 7 |
| 65 | 46 | 185 | 145 | 4-18 | 133 | 70 | 273 | 80 | 10 |
| 80 | 46 | 200 | 160 | 8-18 | 133 | 83 | 293 | 90 | 11 |
| 100 | 52 | 220 | 180 | 8-18 | 203 | 100 | 327 | 102 | 16 |
| 125 | 56 | 250 | 210 | 8-18 | 222 | 120 | 376 | 112 | 22 |
| 150 | 56 | 285 | 240 | 8-22 | 294 | 120 | 386 | 132 | 24 |
| 200 | 60 | 340 | 295 | 8-22 | 337 | 172 | 483 | 160 | 45 |
| 250 | 68 | 395 | 350 | 12-22 | 380 | 172 | 510 | 206 | 57 |
| 300 | 78 | 445 | 400 | 12-22 | 420 | 224 | 612 | 232 | 90 |
| 350 | 78 | 505 | 460 | 16-22 | 450 | 224 | 643 | 263 | 103 |
| 400 | 102 | 565 | 515 | 16-26 | 603 | 272 | 732 | 295 | 177 |
| 450 | 114 | 615 | 565 | 20-26 | 603 | 272 | 754 | 327 | 193 |
| 500 | 127 | 670 | 620 | 20-26 | 683 | 272 | 812 | 358 | 343 |
| 600 | 154 | 780 | 725 | 20-30 | 683 | 360 | 952 | 474 | 380 |
| Standard | Design and manufacture： GB12238 face to face dimensions：GB12221(20 series) flange：GB/T17241.6PN1.0MPa | ||||||||
