We hope that while striving for perfection on the original series of Pneumatic Lining Diaphragm Valve, Single Acting Pneumatic Rotary Actuator, Modulating Electric Valve Actuator, we will gradually develop towards diversification in order to build a well-known brand. Our company actively adapt to the market development trend with its strong development advantages, high starting point and high standard. Our company has always followed the people-oriented business philosophy and set up a perfect quality service system. We have always been adhering to the market concept of continuously extending the market development to a broader and higher space. We emphasize not only product innovation, but also the attitude towards the sustainable development.

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 company has a strong customer base, a high-quality professional team, and a complete sales network to provide high-quality products and perfect services for various Original Three Position Rack&Pinion Double Acting Pneumatic Actuator. It's our pursuit target to develop together with our clients. Our products are widely sold to all over the world.

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