An Area Where Water Flows In A Specific Direction A Brief History For Control Valves

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A Brief History For Control Valves

It is certain that the development of control valves is closely related to industrial processes. It is true that people came up with the idea of ​​regulation in ancient times. People try to regulate the flow of water in rivers or streams by using large rocks or tree trunks to block the flow of water or to divert the flow of water at that point. And there are also some simple original valves used for crop irrigation in Egyptian and Greek civilizations. Later, the Romans developed a complex water system for crop irrigation and used plug and plunger valves to prevent backflow. Then the industrial revolution brought the development to a new stage. James Watt invented the first speed controller adjustment. At that time people pay more attention to flow regulation.

In 1880 William Fisher invented the pump governor as a fist control valve. It is a type of self-control valve with a heavy hammer. When the pressure increases, the valve opening is reduced under the influence of a heavy hammer to achieve a constant pressure. In the 1920s, ball valves are the most popular, single-port and double-ported globe valves with V-notches. In the 1940s, diaphragm valves and butterfly valves came into existence to control mass flow. That’s when the valve positioner was developed. In the 1950s, three-way valves and cage valves were introduced to meet higher requirements. In the 1970s, cage valves, especially eccentric plug valves, were popular in many areas in industrial processes. And since the 1980s, various types of micro control valves, control valve actuators have been born with the aim of improving valve weight and height and circulation. Stepping into the 21st century, a field bus control valve has been implemented. And it is certain that the need for control valves will be greater in the future.

The development of control valves and industrial processes developed simultaneously. In order to improve the control quality, exact demands on all designs of the control system and component parts must be taken. As the society as a whole moves at a faster pace, it is necessary to absorb advanced technologies and put them into practice. It is clear to develop all the time. Otherwise, the entire industry, even the entire society, will not progress.

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