●General Information
This manual double-clip aeration butterfly valve is widely used for aerating in the pipe system and environment protection of building material, glass, mining, electric power, light industry, etc. The gas medium in the pipe is adjusted the flow and cut off by the different control signal.
●Structural Characteristics
This manual double-clip aeration butterfly valve adopts high quality carbon steel welding. It has the characteristics of light weight, compact structure, small flow resistance loss, flexible operation, indicates a clear orientation, convenient maintenance, long service life, etc. It can be installed as your wish, especially suitable for overhead pipelines. With turbo transmission device switch, switch easily, adjusted valve opening, is an ideal equipment to control flow.
●Technical Parameters
Nominal Pressure | Medium Flow Speed | Leakage Rate | Temperature | Medium |
0.05MPa | ≤25m/s | ≤1% | ≤300℃ | Air, smoking, fly ash, etc. |
●Type Instruction
GDTD-S External Connection Dimension
DN | D | D1 | B | n-d | E | E1 | L |
150 | 210 | 225 | 80 | 8-Φ12 | 605 | 465 | 180 |
200 | 260 | 275 | 80 | 8-Φ12 | 665 | 500 | 180 |
220 | 280 | 295 | 80 | 8-Φ12 | 685 | 510 | 180 |
250 | 310 | 325 | 80 | 12-Φ12 | 715 | 515 | 180 |
280 | 340 | 355 | 80 | 12-Φ12 | 745 | 530 | 180 |
300 | 360 | 375 | 80 | 12-Φ12 | 785 | 560 | 180 |
320 | 380 | 395 | 80 | 12-Φ12 | 805 | 570 | 180 |
360 | 420 | 435 | 80 | 12-Φ12 | 2845 | 590 | 180 |
400 | 480 | 495 | 100 | 16-Φ14 | 4915 | 640 | 180 |
450 | 530 | 545 | 100 | 16-Φ14 | 965 | 665 | 180 |
500 | 580 | 595 | 100 | 20-Φ14 | 1015 | 690 | 180 |
560 | 640 | 655 | 100 | 20-Φ14 | 1075 | 720 | 180 |
600 | 680 | 695 | 100 | 20-Φ14 | 1125 | 750 | 180 |
630 | 710 | 725 | 100 | 20-Φ14 | 1155 | 765 | 180 |
700 | 780 | 795 | 120 | 20-Φ14 | 1275 | 850 | 250 |
800 | 880 | 895 | 120 | 24-Φ14 | 1385 | 895 | 250 |
900 | 980 | 995 | 120 | 24-Φ14 | 1485 | 945 | 250 |
1000 | 1100 | 1120 | 140 | 28-Φ18 | 1525 | 930 | 250 |
1100 | 1200 | 1220 | 140 | 28-Φ18 | 1625 | 980 | 250 |
1120 | 1220 | 1240 | 140 | 28-Φ18 | 1645 | 108O | 250 |
1200 | 1300 | 1320 | 140 | 28-Φ18 | 1725 | 1035 | 250 |
1250 | 1350 | 1370 | 140 | 28-Φ18 | 1775 | 1030 | 250 |
1300 | 1400 | 1420 | 140 | 32-Φ18 | 1825 | 1080 | 250 |
1400 | 1500 | 1520 | 140 | 36-Φ18 | 1925 | 1130 | 250 |
1500 | 1600 | 1620 | 140 | 36-Φ18 | 2045 | 1200 | 250 |
1600 | 1700 | 1720 | 140 | 40-Φ18 | 2145 | 1250 | 250 |
1700 | 1820 | 1840 | 160 | 40-Φ18 | 2525 | 1580 | 300 |
1800 | 1920 | 1940 | 160 | 44-Φ18 | 2625 | 1630 | 300 |
1900 | 2020 | 2040 | 160 | 44-Φ18 | 2725 | 1680 | 300 |
2000 | 2120 | 2145 | 160 | 48-Φ22 | 2825 | 1730 | 300 |
2100 | 2220 | 2245 | 180 | 48-Φ22 | 2935 | 1790 | 300 |
2200 | 2320 | 2345 | 180 | 48-Φ22 | 3035 | 1840 | 300 |
2300 | 2420 | 2445 | 180 | 48-Φ22 | 3270 | 2025 | 350 |
2400 | 2520 | 2545 | 180 | 48-Φ22 | 3370 | 2075 | 350 |
