– Rack and pinion actuator available in double acting spring returnicals.
– Anodized aluminum bodies with polyster coated end caps.
– Internal bidirectional travel stops.
– Epoxy coating for harsh environments.
– NAMUR accessory compatible.
COVNA company main produce: Pinion and Rack Air Pneumatic Actuator
Working Principle
COVNA Pinion and Rack Air Pneumatic Actuator is one kind of rotary actuators, which is the actuator of angular displacement and torque output of rotary power components operated by pneumatic pressure.
Description
– Rotation angle: 0° to 90°, +/-5° is available to adjust;
– Pressure: 5~8 bar;
– Temperature: -20°C~+80°C;
– ISO 5211 bottom connection standard;
– Housing material: casting aluminum
– Seal material: NBR/VITON
– Piston material: POM
– Pinion and Rack design
Components
| Name | Material | Qty(DA) | Qty(SR) |
|---|---|---|---|
| House | Casting aluminum | 1 | 1 |
| Shaft | Steel | 1 | 1 |
| Bottom shaft seal | NBR | 1 | 1 |
| Top shaft seal | NBR | 1 | 1 |
| Shaft gasket | POM | 1 | 1 |
| Clip spring | Steel | 1 | 1 |
| Piston | Casting aluminum | 2 | 2 |
| Piston ring | NBR | 2 | 2 |
| End cap seal ring | NBR | 2 | 2 |
• COVNA Brand COVNA series actuators which compact design, long life service, high quality, gear and gear rack.
• This product is used for 90°C rorarionally valves, such as: ball valves, butterfly valves, plug valves etc. Our company put product quality as the first task, adpots the most advance production and technology, stronger than similar product on both prodcut quality and performance.
0-90° Rotary Pneumatic Actuator Parameter & Drawing
0-90° Rotary Pneumatic Actuator Parameter & Drawing
– Higher actuation speed than the electric actuator;
– Lower cost compared with the electric actuator;
– Two kinds of types could realize the automatic reset function;
– Easy to maintain and install;
– Could be used for frequent opening/closing valves.
COVNA company main produce: Pinion and Rack Air Pneumatic Actuator
