The Pneumatic Rubber-Lined Diaphragm Valve provides reliable and precise pneumatic flow control for corrosive and abrasive fluids. Designed as a rubber-lined diaphragm valve, it ensures leak-free operation, long service life, and easy maintenance. Ideal for chemical processing, wastewater treatment, and industrial pipelines, this valve delivers safe and efficient handling of aggressive media.

| Air driven | Compressed air 4-6 bar |
|---|---|
| The nominal Tongjing | 15-200mm |
| nominal pressure | 1.0Mpa |
| Usage temperature | -10℃~60℃ |
| Connection method | flange |
| body material | Cast iron, cast steel |
| DIAPHRAGM MATERIAL | PTFE、EPDM |
| Applicable Medium | Various water treatments |
| actuator | aluminum alloy |
| installation direction | Any Angle |
| Optional Accessories | Limit switch, positioner, solenoid valve, pressure reducing valve |
| Nominal diameter (DN) | H1 (high) | D1 (outer diameter of flange) | D (pitch diameter of flange bolt hole) | L (valve body length) | n (number of flange bolt holes) | C (size of screw hole) | B (flange thickness) |
|---|---|---|---|---|---|---|---|
| 15 | 125 | 65 | 95 | 125 | 4 | 14 | 14 |
| 20 | 130 | 75 | 105 | 135 | 4 | 14 | 16 |
| 25 | 145 | 85 | 115 | 145 | 4 | 14 | 16 |
| 32 | 180 | 100 | 135 | 160 | 4 | 18 | 16 |
| 40 | 220 | 110 | 145 | 180 | 4 | 18 | 16 |
| 50 | 250 | 125 | 160 | 210 | 4 | 18 | 18 |
| 65 | 280 | 145 | 180 | 250 | 4 | 18 | 22 |
| 80 | 340 | 160 | 195 | 300 | 4 | 18 | 25 |
| 100 | 370 | 180 | 215 | 350 | 8 | 18 | 25 |
| 125 | 420 | 210 | 245 | 400 | 8 | 18 | 30 |
| 150 | 480 | 240 | 280 | 460 | 8 | 23 | 30 |
| 200 | 625 | 295 | 335 | 570 | 8 | 23 | 35 |
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