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E/P700 electric pneumatic valve positioner
E/P700 electric pneumatic valve positioner
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Structural characteristics and application scope
The electric pneumatic valve positioner is one of the main accessories of pneumatic control valves. It converts the electrical signal output by the regulator into a pneumatic signal that drives the control valve Its function is the same as that of a pneumatic positioner. Through feedback, the positioner can overcome the friction force of the valve stem and the unbalanced force of the valve core, improve the response speed of the valve, and ensure that the regulating valve is correctly positioned according to the electrical signal output by the regulator. Single acting is used for thin film actuators, while double acting is used for cylinder actuators. It can also be used to achieve split range adjustment and change flow characteristics
The electric pneumatic valve positioner is one of the main accessories of pneumatic control valves. It converts the electrical signal output by the regulator into a pneumatic signal that drives the control valve Its function is the same as that of a pneumatic positioner. Through feedback, the positioner can overcome the friction force of the valve stem and the unbalanced force of the valve core, improve the response speed of the valve, and ensure that the regulating valve is correctly positioned according to the electrical signal output by the regulator. Single acting is used for thin film actuators, while double acting is used for cylinder actuators. It can also be used to achieve split range adjustment and change flow characteristics
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