Main features of solenoid valve

Main features of solenoid valve

　　 1. External leakage is blocked, internal leakage is easy to control, and safe to use. Internal and external leakage is an element that endangers safety. Other automatic control valves usually extend the valve stem, and the rotation or movement of the valve core is controlled by an electric, pneumatic, or hydraulic actuator. This must solve the problem of external leakage of the dynamic seal of the long-term valve stem; only the solenoid valve is completed by using electromagnetic force to act on the iron core sealed in the magnetic isolation sleeve. There is no dynamic seal, so the external leakage is easy to stop. The torque control of electric valve is not easy, the valve actuator is prone to internal leakage, and even the head of the valve stem is broken; the structure of the solenoid valve is easy to control internal leakage until it drops to zero. Therefore, the solenoid valve is particularly safe to use, especially suitable for corrosive, toxic or high and low temperature media.

　　 2. The system is simple, just connect to the computer, and the price is low. The solenoid valve itself has a simple structure and low price, and is easier to install and maintain than other types of actuators such as control valves. What's more obvious is that the composed automatic control system is much simpler and the price is much lower. Since the solenoid valve is controlled by a switch signal, it is very convenient to connect with an industrial computer. In today's era when computers are popular and prices drop sharply, the advantages of solenoid valves are even more obvious.

　　3. The action express, the power is small, and the shape is light. The response time of the solenoid valve can be as short as several milliseconds, and even the pilot solenoid valve can be controlled within tens of milliseconds. Since it is a self-contained circuit, it is more sensitive than other automatic control valves. A properly designed solenoid valve coil has very low power consumption and is an energy-saving product; it can also be able to automatically maintain the valve position only by triggering the action, and it does not consume electricity at all. The solenoid valve is small in size, which saves space and is light and beautiful.

　　 4. The adjustment accuracy is limited and the applicable medium is limited. Solenoid valves usually have only two states on and off. The spool of the anti-frost level gauge can only be in two extreme positions and cannot be adjusted continuously. (There are many new ideas trying to break through, but they are still in the trial stage) so the adjustment accuracy is still affected. Certain restrictions. Solenoid valves have higher requirements for the cleanliness of the medium, and the granular medium cannot be used. If it is impurities, it must be filtered out first. In addition, viscous media cannot be applied, and the viscosity range of the media for specific products is relatively narrow.

　　 5. Various models and wide applications. Although solenoid valves have inherent shortcomings, their advantages are still outstanding, so they are designed into a variety of products to meet various needs and have a wide range of uses. The advancement of solenoid valve technology also revolves around how to overcome congenital shortcomings and how to make better use of inherent advantages.

This article is original by the manufacturer of the magnetic turning column level gauge, please indicate http://www.sungofluid.com/