Valve positioner Valve positioner is the main accessory of the pneumatic actuator. It is used with pneumatic actuators to improve the position accuracy of the valve, overcoming the effects of the friction and the imbalance of the media, thereby ensuring that the valve is achieved according to the signal of the regulator. Positioning correctly. In …

The efficient use of pneumatic valves is inseparable from the role of various accessories. At present, there are many pneumatic valve accessories on the market. Generally, there are the following categories: double-acting pneumatic actuators, spring return actuators, single solenoid valves, double solenoid valves Control solenoid valve, limit switch feedback device, electrical positioner, pneumatic positioner, electrical …

In the actual use of pneumatic valves, in order to improve the stability and efficiency of valve use, we often need to resort to some auxiliary work, which is the accessories of pneumatic valves. Generally speaking, the common accessories of pneumatic valves include: air filter, Reversing solenoid valve, limit switch, electric positioner, etc. In pneumatic …

In the daily use of pneumatic valves, various failures are often encountered. Valve leakage is the most common type of failure, and there are generally two types of valve leakage: internal leakage and external leakage! So, what is the difference between the two? The internal leakage of the valve generally refers to the situation that …

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One: Sanitary Pneumatic Butterfly Valve Actuator The sanitary pneumatic butterfly valve adopts the rack and pinion rotary pneumatic actuator, which has double-acting and single-acting (spring reset), gear transmission, safe and reliable;Large-diameter valves adopt fork-type pneumatic actuators, fork-type transmission, reasonable structure, large output torque, double-acting and single-acting. Rack and pinion double pistons, large output torque and …

The electric control valve is a relatively common and relatively important instrumentation device in industrial automation process control. With the improvement of the degree of automation in the industrial field, it is being more and more widely used in various industrial production fields. Compared with the traditional pneumatic control valve, the electric control valve has …