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02

2016-02

Application of New Type Intelligent Valve Positioner in Regulating Valve

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2016-02-22

According to the driving mode, the control valve is mainly divided into two types: electric control valve and pneumatic control valve to adapt to different working conditions and process requirements.

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02

2016-02

Common failure causes and measures of intelligent valve positioner

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2016-02-22

Fault 1: The output speed of the positioner is slow，reason:1, the input air chamber leaks，2, the constant orifice is blocked，3, the air supply pipeline leaks，4, the baffle is scratched or poorly positioned

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04

2016-04

Selection of control valve

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2016-04-29

The control valve is the actuator in the automation control system. Its application quality is reflected in the adjustment quality of the system. The improvement of the industrial automatic control level has penetrated into every corner of the production. It is in stable production, optimized control, maintenance and Maintenance cost control and other aspects play a pivotal role.

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04

2016-04

Precautions for selecting valves for various working conditions

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2016-04-29

①Ordinary gate valves, ball valves, and globe valves are strictly prohibited for adjustment according to their structural characteristics. But in process design, it is generally used for mediation. Due to adjustment and use, the valve seals are in a throttling state for a long time, and impurities in the oil wash out the seals and damage the sealing surface, resulting in lax closing or because the operator has damaged the sealing surface to achieve the seal, causing the valve to pass or open. .

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07

2017-07

What is the principle of valve positioner

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2017-07-07

The principle of the valve positioner: the feedback lever feedback valve opening position changes, when the electromagnetic torque generated by the input signal is equal to the torque generated by the positioner feedback system,

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07

2017-07

Valve positioner selection guide

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2017-07-11

The valve positioner (also known as: pneumatic valve positioner) is the main accessory of the control valve. It is usually used in conjunction with the pneumatic control valve. It receives the output signal of the regulator,

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