2022
Hearken manufactures a wide range of pneumatic actuators, electric actuators and the accessories of pneumatic actuator such as limit switch box, solenoid valve, manual override for quarter turn valves and ...
2022
There are two types of pneumatic actuators: single-acting and double-acting actuators. Single-acting pneumatic actuators and double-acting pneumatic actuators can be converted into each other according to ...
2022
Our Stainless steel pneumatic actuators are divided into spring return (single acting) and double acting pneumatic actuators.And stainless steel materials are available in 304, 304L, 316, 316L.The drive an...
2022
The Air Torque Pneumatic Actuator is an important part of the pneumatic valve, which determines the overall execution efficiency of the pneumatic valve. All pneumatic valves, including air actuated ball va...
2022
We know that there are still many types of pneumatic actuators. Among them, AT, GT, AW are three common types of pneumatic actuators on the market.These three types of pneumatic actuators have their own ch...
2022
Pneumatic actuator is an actuator powered by compressed air. Pneumatic actuators are used in conjunction with electrical converters and valve positioners to continuously receive control commands from DCS a...
2022
Electric actuator is an indispensable part of automatic control system and a very important driving device in industrial process control system. It uses electric energy as power, accepts a certain signal a...
2022
Let's begin with the "triple eccentric butterfly valve" to show how a fundamental principle works. The butterfly valve's valve body has a transverse valve port (a valve diameter) attached to the pipe that ...
2022
Butterfly valve is simple in structure, small in size and light in weight. It consists of only a few components and is easy to operate. Its structural principle is suitable for making large-diameter valves...
2022
After the pneumatic actuator is used for a long time in the offshore oil field, there will be some failure problems. Today we will explain how to solve the problems encountered.
2022
Rotary pneumatic actuator is an indispensable valve drive device in process automation control system. According to its mode of action, it is divided into double-acting (DA) type and single-acting (SR-spri...
2022
The role and classification of valves. The valve is an important pressure pipeline component in a petrochemical plant with a large volume and a wide range. It has the functions of cutting off, regulating, ...
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