Pneumatic ball valve fixed Q647Y - 16 c
Q647 pneumatic fixed ball valve in the oil, natural gas, coal and ore mining, refining processing and pipeline system;Pneumatic valve in chemical products, medicine and food production;In hydropower, thermal power and nuclear power production system;In urban and industrial water supply and drainage, heating and gas supply system;In the farmland irrigation and drainage systems;Widely used in metallurgical production system, pneumatic ball valve closed in all kinds of pipeline system used to truncate or flow through media, the media in accordance with the scheduled program delivery to the specified point.
The main connection size
| Design basis | GB standard | |
| Design criteria | GB/12237 | |
| The length of the structure | Flange connection | GB/12221 |
| Connecting flange size | GB/9113、JB/T79 | |
| Test and inspection | JB/T9002 | |
The main connection size
| DN | Overall dimensions | Connecting flange size |
Double-acting * Perform shape, |
|||||||
| L | L1 | H | D | D1 | D2 | C | f | N-φd | ||
| 50 | 178 | 190 | 260 | 165 | 125 | 99 | 20 | 3 | 4-φ18 | GTD80 |
| 65 | 190 | 210 | 293 | 185 | 145 | 118 | 20 | 3 | 4-φ18 | GTD90 |
| 80 | 203 | 247 | 323 | 200 | 160 | 132 | 20 | 3 | 8-φ18 | GTD100 |
| 100 | 229 | 276 | 382 | 220 | 180 | 156 | 22 | 3 | 8-φ18 | GTD115 |
| 125 | 356 | 348 | 468 | 250 | 210 | 184 | 22 | 3 | 8-φ18 | GTD145 |
| 150 | 394 | 378 | 510 | 285 | 240 | 211 | 24 | 3 | 8-φ22 | GTD160 |
| 200 | 457 | 524 | 655 | 340 | 295 | 266 | 24 | 3 | 12-φ22 | GTD210 |
| 250 | 533 | 645 | 847 | 405 | 355 | 319 | 26 | 3 | 12-φ22 | GTD255 |
| 300 | 610 | 715 | 980 | 460 | 410 | 370 | 28 | 4 | 12-φ22 | GTD300 |
| 350 | 686 | 795 | 1085 | 520 | 470 | 429 | 30 | 4 | 12-φ22 | GTD350 |
| 400 | 762 | 1860 | 1215 | 580 | 525 | 480 | 32 | 4 | 12-φ22 | AW35 |
| 500 | 991 | 1860 | 1385 | 715 | 650 | 609 | 36 | 4 | 12-φ22 | AW40 |
