Pneumatic Desulfurization Flange Butterfly Valve
Dimensions & constructral diagram
Welding sanitary butterfly valve constructral diagram(pic1)
Welding sanitary 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) | Nominal pressure (PN)MPa | L | D | D1 | Z-Ф | H | H1 | A | B | Weight (kg) |
| 50 | 1.0 | 108 | 165 | 125 | 4-18 | 305 | 214 | 127 | 60 | 8.5 |
| 65 | 112 | 185 | 145 | 4-18 | 352 | 248 | 133 | 70 | 11.5 | |
| 80 | 114 | 200 | 160 | 8-18 | 377 | 270 | 133 | 83 | 12.5 | |
| 100 | 127 | 220 | 180 | 8-18 | 422 | 302 | 203 | 100 | 27 | |
| 125 | 140 | 250 | 210 | 8-18 | 479 | 350 | 222 | 120 | 40 | |
| 150 | 140 | 285 | 240 | 8-22 | 496 | 365 | 294 | 120 | 43 | |
| 200 | 152 | 340 | 295 | 8-22 | 655 | 478 | 337 | 172 | 715 | |
| 250 | 165 | 395 | 350 | 12-22 | 704 | 498 | 380 | 172 | 865 | |
| 300 | 178 | 445 | 400 | 12-22 | 825 | 605 | 420 | 224 | 128.5 | |
| 350 | 190 | 505 | 460 | 16-22 | 907 | 643 | 450 | 224 | 147 | |
| 400 | 216 | 565 | 515 | 16-26 | 1030 | 732 | 603 | 272 | 208 | |
| 450 | 222 | 615 | 565 | 20-26 | 1079 | 752 | 603 | 272 | 260 | |
| 500 | 229 | 670 | 620 | 20-26 | 1164 | 812 | 683 | 272 | 350 | |
| 600 | 267 | 780 | 725 | 20-30 | 1396 | 950 | 683 | 360 | 452 | |
| 700 | 0.6 | 229 | 860 | 810 | 24-26 | 1622 | 1090 | 742 | 440 | 360 |
| 700 | 1.0 | 292 | 895 | 840 | 24-30 | 1622 | 1090 | 742 | 440 | 576 |
| 800 | 0.6 | 241 | 975 | 920 | 24-30 | 1722 | 1190 | 866 | 496 | 448 |
| 800 | 1.0 | 318 | 1015 | 950 | 24-33 | 1722 | 1190 | 866 | 496 | 716 |
| 900 | 0.6 | 241 | 1075 | 1020 | 24-30 | 1886 | 1248 | 866 | 496 | 562 |
| 900 | 1.0 | 330 | 1115 | 1050 | 28-33 | 1886 | 1248 | 866 | 496 | 899 |
| 1000 | 0.6 | 300 | 1175 | 1120 | 28-30 | 2140 | 1418 | 990 | 580 | 740 |
| 1000 | 1.0 | 410 | 1230 | 1160 | 28-36 | 2140 | 1418 | 990 | 580 | 1184 |
| 1100 | 0.6 | 350 | 1305 | 1240 | 28-33 | 2270 | 1510 | 990 | 580 | 928 |
| 1100 | 1.0 | 440 | 1340 | 1270 | 32-36 | 2270 | 1510 | 990 | 580 | 1485 |
| 1200 | 0.6 | 350 | 1405 | 1340 | 32-33 | 2405 | 1610 | 990 | 580 | 1117 |
| 1200 | 1.0 | 470 | 1455 | 1380 | 32-36 | 2405 | 1610 | 990 | 580 | 1787 |
| Standard | Design and manufacture： GB12238 face to face dimensions：GB12221 flange：GB／T17241.6PN1.0 MPa PN0.6 | |||||||||
