Pneumatic three eccentric butterfly valve D643HY, D643HF, using three eccentric multi-level metal sealing structure butterfly valve + piston type pneumatic actuator composition. The valve plate and sealing mechanism are uniquely designed with excellent cut-off performance and durability. Pneumatic triple eccentric butterfly valves are widely used in pipeline control of corrosive media such as metallurgy, electric power, petroleum, chemical industry, air, gas, combustible gas and water supply and drainage.
Nominal diameter: DN50~1000
Nominal pressure: 0.6, 1.0, 1.6, 2.5 MPa
Connection: flange type
Action range: 0~90° ± 5°
Sealing form: metal seal
Actuator models: GT, AT, AW series, etc., including single and double acting actuators
Supply pressure: 0.4 ~ 0.7MPa
Ambient temperature: -30~70°C
Available accessories: positioner, solenoid valve, air filter pressure reducer, holding valve, travel switch, valve position transmitter, hand wheel mechanism, etc.
| Pneumatic Triple Eccentric Butterfly Valve main external and connection size 0.6～1.6MPa | |||||||||
| Nominal Diameter DN | L | H1 | H2 | D1 | N-￠d (M) | D1 | N-￠d (M) | D1 | N-￠d (M) |
| 0.6MPa | 1.0MPa | 1.6MPa | |||||||
| 100 | 64 | 330 | 110 | 170 | 4-￠19 | 180 | 4-￠19 | 180 | 4-￠19 |
| 125 | 70 | 345 | 120 | 200 | 4-￠19 | 210 | 4-￠19 | 210 | 4-￠19 |
| 150 | 76 | 370 | 160 | 225 | 4-￠19 | 240 | 4-￠23 | 240 | 4-￠23 |
| 200 | 89 | 410 | 215 | 280 | 4-￠19 | 295 | 4-￠23 | 295 | 4-￠23 |
| 250 | 114 | 430 | 260 | 335 | 4-￠19 | 350 | 4-￠23 | 350 | 4-￠28 |
| 300 | 114 | 500 | 300 | 395 | 4-￠23 | 400 | 4-￠23 | 410 | 4-￠28 |
| 350 | 127 | 510 | 320 | 445 | 4-￠23 | 460 | 4-￠23 | 470 | 4-￠28 |
| 400 | 140 | 510 | 330 | 495 | 4-￠23 | 515 | 4-￠28 | 525 | 4-￠31 |
| 450 | 152 | 590 | 380 | 550 | 4-￠23 | 565 | 4-￠28 | 585 | 4-￠31 |
| 500 | 152 | 610 | 390 | 600 | 4-￠23 | 620 | 4-M24 | 650 | 4-M30 |
| 600 | 154 | 665 | 450 | 705 | 4-￠26 | 725 | 4-M27 | 770 | 4-M33 |
| 700 | 165 | 730 | 480 | 810 | 4-￠26 | 840 | 4-M27 | 840 | 4-M33 |
| 800 | 190 | 910 | 580 | 920 | 4-￠31 | 950 | 4-M30 | 950 | 4-M36 |
| 900 | 203 | 930 | 625 | 1020 | 4-M27 | 1050 | 4-M30 | 1050 | 4-M36 |
| 1000 | 216 | 1000 | 660 | 1120 | 4-M27 | 1160 | 4-M33 | 1170 | 4-M39 |
| 1200 | 254 | 1100 | 780 | 1340 | 4-M30 | 1380 | 4-M36 | 1390 | 4-M45 |
