Product description
Pneumatic eccentric hemispherical valve belongs to angular stroke pneumatic eccentric regulating valve, which is composed of high-precision piston pneumatic actuator and eccentric hemispherical valve. Pneumatic eccentric ball valve can be equipped with valve positioner to input control signal (4-20madc or 1-5d~gas source can control the operation. It can also be equipped with travel limit switch, solenoid valve, pressure reducing valve and 0.4 -0.7mpa gas source to realize switching operation, and send two pairs of passive contact signals to indicate the opening and closing of the valve. Pneumatic eccentric ball valve is widely used in petroleum, chemical industry, electric power, metallurgy, iron and steel, papermaking, medicine, food, textile, light industry and other industries.
| выбирать | Расследование | Ду(мм) | л | Д | Д1 | Д2 | Z- φd | б | ж |
|---|---|---|---|---|---|---|---|---|---|
| 40 | 165 | 145 | 110 | 85 | 4-18 | 18 | 2 | ||
| 50 | 178 | 160 | 125 | 100 | 4-18 | 20 | 2 | ||
| 65 | 190 | 180 | 145 | 120 | 4-18 | 20 | 3 | ||
| 80 | 203 | 195 | 160 | 135 | 8-18 | 20 | 3 | ||
| 100 | 229 | 215 | 180 | 155 | 8-18 | 22 | 3 | ||
| 125 | 254 | 245 | 210 | 185 | 8-18 | 22 | 3 | ||
| 150 | 267 | 280 | 240 | 210 | 8-23 | 24 | 3 | ||
| 200 | 292 | 335 | 295 | 265 | 12-23 | 24 | 3 | ||
| 250 | 330 | 405 | 355 | 320 | 12-25 | 26 | 3 | ||
| 300 | 356 | 460 | 410 | 375 | 12-25 | 28 | 3 | ||
| 350 | 381 | 520 | 470 | 429 | 16-33 | 30 | 3 | ||
| 400 | 430 | 580 | 525 | 480 | 16-30 | 32 | 4 |
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