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What is a pneumatic actuator?
by：AIRWOLF
2021-01-15
What is a pneumatic actuator?
in strict sense of pneumatic actuator unit he belongs to a kind of valve, it is the use of air pressure to drive the regulating valve on or off the device, also known as start executing agency or start execution device, popular name is called a pneumatic head.
perform structure of pneumatic actuators are piston, diaphragm, fork type and gear rack type, structure and regulating mechanism is roughly the same as a whole. Among them, the piston to form a long, suitable for a greater thrust required. Film formation is lesser, can direct drive valve stem. Fork type pneumatic instruments have torque, the space is little, torque curve more accord with the valve torque curve etc, but not very beautiful; Commonly used on large torque of the valve. Gear rack type actuator has a simple structure, stable and reliable, and safe explosion-proof, etc, in power plant, chemical industry, oil refining, etc to higher safety requirements have wide application in production.
in strict sense of pneumatic actuator unit he belongs to a kind of valve, it is the use of air pressure to drive the regulating valve on or off the device, also known as start executing agency or start execution device, popular name is called a pneumatic head.
perform structure of pneumatic actuators are piston, diaphragm, fork type and gear rack type, structure and regulating mechanism is roughly the same as a whole. Among them, the piston to form a long, suitable for a greater thrust required. Film formation is lesser, can direct drive valve stem. Fork type pneumatic instruments have torque, the space is little, torque curve more accord with the valve torque curve etc, but not very beautiful; Commonly used on large torque of the valve. Gear rack type actuator has a simple structure, stable and reliable, and safe explosion-proof, etc, in power plant, chemical industry, oil refining, etc to higher safety requirements have wide application in production.
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