2012年7月21日星期六

Solenoid valve features and future developments


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Solenoid valve as an actuator for automated instrumentation in recent years, the amount is increasing. Analysis of the main features of the pneumatic accessory , and focus on the application point of view, for a brief overview of the mature technology developments, streamlining, intelligent, universal, were made by the special direction of the investigation, and slightly affect the solenoid valve technology The social dimension of development of some of.
    (1) The system is simple, they take the computer, the price is low and modest.

     Solenoid valve structure is simple, low price, easy installation and maintenance compared to other types of control valves and other actuators. More significant is the automatic control system is much simpler and a much lower price. As the jelpc  switching signal control and industrial computer connection is very convenient. Popular in today s computer prices an era of declining, the solenoid valve is even more obvious advantages.
 
   &n bsp; (2) action express, power tiny, lightweight shape.

     Solenoid valve response time can be as short as a few milliseconds, even if the pilot solenoid valve can be controlled within tens of milliseconds. Forming the circuit, and more responsive than the other automatic control valve. Properly designed solenoid valve coil power consumption is very low, the case of energy-saving products; can also be done simply trigger movement, and automatically maintain valve position, and usually is not power consumption. Solenoid valve small size, saving space and lightweight appearance.
 
     (3) leakage of the block must drain easily controlled, safe to use.

     Inside and outside the leaks endanger the safety factor. Other automatic control valve will usually stem extends from the electric, pneumatic and hydraulic actuators to control the spool to rotate or move. This is to solve the external leakage problems caused as a result of the valve stem seals; only the solenoid valve is used to seal the casing of the magnetic isolation of the iron core electromagnetic masterpiece completed, there is no dynamic seal leakage so easy to block absolutely. Electric control valve torque is not easy and prone to leakage, and even pulled off the stem head; the structural type of the solenoid valve is easy to control leakage, until reduced to zero. Therefore, the solenoid valve to the use of special security, especially for corrosive, toxic or high and low temperature media.

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