We deeply realize that if we want our company to have a good reputation, we should continuously improve the quality of our OHQ Exproof Electric Actuator, APL210N Limit Switch Box, Electric Actuator For Butterfly Valve and provide sincere service. What we provide here is not only a kind of commodity and service, but also a kind of culture, quality and trust. Traditional management mode, system structure, design measures and decision-making gist have to go on innovating in order to keep up with the pace of the era. We are a company with a certain scale and rich experience, we set development, production and sales as one. Facing the future, we are full of confidence, and your support is your trust in us. We will meet the needs of global customers with cost-effective products, fast delivery and superior after-sales service.

Autorun pneumatic actuator has two kinds of models: 0°-45°-90° and 0°-90°-180°. The air intake "2" after the intake ends of the piston movement was designed to both ends there are auxiliary pistons produce mechanical constraints to achieve a middle positon, can be used directly out of both ends of the adjusting screw is easy to adjust the middle point of view, such as 20°, 30°, 50°, 75°, and 95°, 120°, 130°, 150°, 175° and so on.

Three position pneumatic actuator operation requires the design of a solenoid valve control loop system to complete the operation, the control principle as follows:

Position 1 (middle)

Air pressure at the same time and D into the two port, air from the exhaust port 4 and C, 2 as an internal piston, D mouth is by putting restrictions on secondary piston within the piston located in the middle of the booking.

Position 2 (open position)

Air pressure at the same time into 2 and the C port, air from the discharge port 4, and D, two of the internal piston to move, C auxiliary port for the lifting of restrictions on putting the piston position to reach the fully open position within the piston smoothly.

Position 3 (fully closed position)

Air pressure into 4, the air discharged from the 2, the internal piston moves to the middle reach the fully closed position. Provides 0°-45°-90° spring return position type specification, when somebody stops breathing power (or gas source failure), an internal piston back by spring force to the fully closed position.

Our Special 120 145 180 Stroke Three-Positions Speedy or Slow Act Pneumatic Actuator has earned the praise and support from customers with its superior quality, sensible price, integrity and excellent service. We can provide our clients with high quality products and excellent service. We have improved the product quality and enterprise management so as to provide customers with more comprehensive, professional and efficient solutions and sincere service.

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