Description
Pneumatic valve actuator is an executive device that uses air pressure to open and close ball valve, butterfly or regulating valve. The pneumatic actuator powered by compresses air is easy to repair and maintain, and has good adaptability to the environment.
Specifiation
- Model: ATO-AT050D
- Bore Size: 50mm (1.97 inch)
- Air Supply Port: 1/8 inch
- Power Source: Compressed Air
- Actuator Type: Double Acting
- Air Pressure: 2.5bar ~ 8bar
- Max Working Pressure: 10bar
- Operating Temperature (Optional): -20℃ ~ 80℃, -35℃ ~ 80℃, -20℃ ~ 150℃
- Rotation Angle: 90°±5%
- Body Material: Aluminum Alloy
- Life Time: One Million Time
Dimensions
ATO-AT050D
| Q | A | B | C | D | E | F | G | H | I |
| Φ36/Φ50mm | 146mm | 70mm | 30mm | 40mm | 96mm | 69mm | 30mm | 80mm | PF |
| J | K | O | P | S | T | U | V | W | X |
| M6 | 1/8″ | 20mm | 40.5mm | 4mm | 4mm | 12mm | 24mm | 16mm | 32mm |
Details
| PN | Number | Name | Standard Material |
| 1 | 4 | Position Indicator | Polypropylene+GF |
| 2 | 1 | Position Indicator Seat | Polypropylene+GF |
| 3 | 1 | Snap Ring | Stainless Steel |
| 4 | 1 | Bearing | Stainless Steel |
| 5 | 1 | Bearing | Polyphthalamide |
| 6 | 1 | Bore Body | Extruded Aluminum alloy |
| 7 | 2 | Bearing | Polyphthalamide |
| 8 | 2 | Piston | Die Cast Aluminum |
| 9 | 2 | O-Ring | Nitrile(NBR70) |
| 10 | 2 | Bearing | Polyphthalamide |
| 11 | 8 | End Cover bolt gasket | Stainless Steel |
| 12 | 2 | End Cover bolt | Stainless Steel |
| 13 | 2 | Left and Right end Cover | Die Cast Aluminum |
| 14 | 2 | O-Ring | Nitrile(NBR70) |
| 15 | 2 | Guide Sleeve | Polypropylene+GF |
| 16 | 1 | O-Ring | Nitrile(NBR70) |
| 17 | 1 | Bearing | Nylon46 |
| 18 | 1 | Bearing | Polyphthalamide |
| 19 | 1 | Cam Switch | Stainless Steel |
| 20 | 1 | Actuating Shaft | Steel alloy |
| 21 | 1 | Bearing | Nylon46 |
| 22 | 1 | O-Ring | Nitrile(NBR70) |
| 23 | 1 | O-Ring | Nitrile(NBR70) |
| 24 | 2 | Spacer for Limit Bolt | Stainless Steel |
| 25 | 2 | Limit Nut | Stainless Steel |
| 26 | 2 | Limit Bolt | Stainless Steel |
| 27 | min.5/max.12 | Spring | High alloy Spring Steel |
| 28 | 1 | Spring Seat | Polypropylene+GF |
Tips: What should be considered when selecting a pneumatic valve actuator?
- Air source pressure of the actuator.
- The operating torque of the valve plus the safety factor recommended by the manufacturer, and at the same time, according to the application of the valve, operating temperature, operating frequency, pipeline and pressure difference, flowing medium (lubrication, drying, mud), many factors affect the operating torque.
- Type of pneumatic actuator: double-acting or single-acting (spring return) and output torque under a certain air source or output torque under rated voltage, too small to rotate, too large valve life is not long, generally leave enough 30 % safety factor.
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