Spring Return Pneumatic Rotary Actuator Butterfly Valve 

     The pneumatic butterfly valve is a type of valve that is used to regulate the flow of a fluid, such as gas or liquid, through a pipeline.  It consists of a disc or plate that is mounted on a spindle in the center of the valve body. Pneumatic butterfly valves are operated using compressed air or gas, which is used to control the movement of the disc.  The pneumatic actuator is connected to the spindle and can be remotely controlled to open or close the valve.  This allows for quick and precise regulation of the flow, making them suitable for a wide range of applications.      The main advantages of the pneumatic butterfly valve are simple structure, small size and light weight, and low cost. These valves are commonly used in industries such as oil and gas, chemical processing, water treatment, and HVAC systems. Pneumatic butterfly valve are known for their reliability, durability, and ease of maintenance. Pneumatic butter…

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