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Type of built-in fork type pneumatic actuator for ball valve

The built-in fork type pneumatic actuator (Fig. 1) replaces the gear rack of the traditional rack pneumatic actuator with the fork assembly, which is also divided into double action and single action. Compared with the rack and pinion type, the cylinder diameter of the built-in fork type pneumatic actuator...

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Difference between ball valve and float valve

What is a ball valve? Ball valve is a kind of liquid level measurement and control product. It is composed of several main parts such as valve body, piston, connecting rod and floating ball. The principle of lever is applied to make the valve unblocked or blocked. In the...

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Installation and maintenance of ball valve

Ball valve installation: It must be confirmed that the pipeline and valve have been cleaned before operation. The actuator operation of the valve drives the stem to rotate according to the input signal: when the valve rotates 1 / 4 turn (900) in the forward direction, the valve is...

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Function and application of ball valve

Function of ball valve: The opening and closing part of the ball valve is a round ball with holes. The ball core is used to rotate 0-90 ° around the axis of the valve rod, so as to open or close the valve. Ball valve has many functions. It...

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Structure and principle of electric ball valve

The electric ball valve has the advantages of small size, light weight, small installation size, small driving torque, simple operation, agility, etc. it can be opened and closed quickly only by rotating 90 °, and has good flow regulation effect and sealing characteristics. In the application scope of large...

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