We have successfully developed Pneumatic globe valve, Pneumatic Two Piece Ball Valve, Pneumatic Double Eccentric Butterfly Valve with superior performance and are in a leading position among the peers. Constantly challenging ourselves will be the pursuit of our company as always,. We have obtained the unanimous recognition of the manufacturers because we are in line with the efficient productivity, excellent quality and reasonable price.

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 commission is always to provide our customers and clientele with best quality and aggressive portable digital products for Two Positions Double Acting Pneumatic Actuator. Our company always adheres to the enterprise spirit of 'quality for survival, innovation for development', gradually expands domestic and foreign markets, returns customers with excellent products and services, and promotes the company's development. Our company has always followed the people-oriented, innovation as the soul. The operation concept of 'be prepared for danger in times of safety and constantly strive for self-improvement' has achieved long-term progress and development.

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