Solenoid Valves with electromagnetic control of industrial equipment, industrial control systems used in the medium to adjust the direction of flow, velocity and other parameters. solenoid valves are controlled by electromagnetic effects, the main control by the relay control. Analysis of solenoid valves of the main features and focus on the application point of view, the domestic mature technology for a brief overview of the developments were streamlined, intelligent, universal, special direction made a survey, and slightly affecting the solenoid valves Technology development of the social factors are discussed.
(1) leakage blocking must, easy to control leakage, the use of safety.
Internal and external leaks are endangering the safety factor. Other automatic control Valves will usually stem out from the electric, pneumatic, hydraulic actuators to control the spool rotation or movement. This is to address the valve stem seal leakage problems caused by outside; only solenoid valves are used across the electromagnetic force on the seal in the casing of the magnetic core to complete, there is no dynamic seal, so easy to block leakage must. Electric torque control valve is not easy, prone to leakage, or even pull off the stem head; solenoid valves within the structure type is easy to control the leak, until reduced to zero. So, solenoid valves with special security, especially for corrosive, toxic or high temperature media.
(2) action express, power tiny, lightweight form factor.
solenoid valves response time can be as short as a few milliseconds, even pilot solenoid valves can control the tens of milliseconds. As the self into a loop, other than the automatic control valve more responsive. A properly designed solenoid valves coil power consumption is very low, is energy-saving products; can do only trigger actions automatically maintain valve position, usually is not power. solenoid valves small size, saving space and light and beautiful.
(3) The system is simple, they take the computer, low price and modest.
Solenoid valves itself is simple, the price is also low, compared to other types of Valves actuators easy installation and maintenance. More significant is the composition of the automatic control system is much simpler, much lower price. Because solenoid valves are switching signal control, and industrial computer connection is very convenient. In today's widespread use of computers, the era of decline in prices, solenoid valves of the more obvious advantages.