Pneumatic butterfly valve picture and working principle
Pneumatic butterfly valve is a kind of general-purpose valve that is widely used. Nowadays, many chemical industry, paper industry, coal mining, petroleum, medical treatment, etc. will use valves, especially pneumatic valves.
The valve used in a relatively large amount is the pneumatic butterfly valve, which is mostly used in many pneumatic pipelines! It is used more and more on low-pressure large and medium-diameter pipelines, and the larger the diameter, the more economical and economical valves are compared with other valves.
The reason why pneumatic butterfly valves are so widely used is because of their simple structure, easy maintenance, and quick switching, which can not only improve work efficiency, but also reduce maintenance time.
VALTECCN butterfly valve manufacturers can choose sealing rings of different materials and parts of different materials according to the requirements of customers, which are suitable for different media and working conditions, so that the pneumatic butterfly valve can achieve great use effect.
Pneumatic butterfly valve working principle
Pneumatic butterfly valve uses compressed air as the power source to drive the valve stem to control the rotation of the disc-shaped butterfly plate around the axis. The initial position of the valve is determined according to the actual demand. When the valve rotates 90° from the initial position, an action ends (by opening the valve). to off, or from off to on), and vice versa for another action (from off to on, or from on to off).
The execution speed of the pneumatic butterfly valve is relatively fast, and it is not easy to be damaged due to jamming during the action process, and does not require workers to do it by themselves. Pneumatic butterfly valve actuators are divided into single-acting and double-acting forms, and double-acting is ventilation on and ventilation off! Among them, the single-acting actuator has the function of spring return, which can be automatically closed or opened in the case of gas and power failure, and the safety factor is high!
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