1. Steam valves offer rapid operation, low power consumption, and a compact design. Solenoid valves can respond in milliseconds, and even pilot-operated solenoid valves can achieve responses within tens of milliseconds. Due to their self-contained circuit, they are more sensitive than other automatic control valves. A well-designed solenoid valve coil consumes very little power, making it an energy-saving product; it can also be designed to automatically maintain the valve position after a trigger action, consuming no power under normal conditions. Solenoid valves are small in size, saving space and offering a lightweight and aesthetically pleasing design.
2. Steam valves effectively prevent external leakage and easily control internal leakage, ensuring safe use. Internal and external leakage are critical factors. Other automatic control valves typically have an extended valve stem, with electric, pneumatic, or hydraulic actuators controlling the rotation or movement of the valve core. This requires solving the problem of external leakage from the dynamic seal of the valve stem during long-term operation; only solenoid valves use electromagnetic force acting on an iron core sealed within a magnetically shielded sleeve, eliminating the need for a dynamic seal and thus easily preventing external leakage. Electric valves are difficult to control in terms of torque, prone to internal leakage, and can even break the valve stem head. Solenoid valves, on the other hand, have a structure that easily controls internal leakage, reducing it to zero. Therefore, solenoid valves are particularly reliable, especially suitable for corrosive, toxic, or high/low temperature media.
3. Steam valve systems are simple, easy to connect to computers, and inexpensive. Solenoid valves themselves have a simple structure and low price, making them easier to install and maintain than other types of actuators such as control valves. More significantly, the resulting automatic control systems are much simpler and cheaper. Because solenoid valves are controlled by on/off signals, they are very easy to connect to industrial control computers. In today's era of widespread computer use and significantly reduced prices, the advantages of solenoid valves are even more pronounced.
4. Steam valves have limited adjustment accuracy and applicable media. Solenoid valves typically only have two states: on and off. The valve core can only be in two extreme positions, and continuous adjustment is not possible, thus limiting adjustment accuracy. Solenoid valves have high requirements for media cleanliness; media containing particulate matter are unsuitable, and impurities must be filtered out first. Furthermore, viscous media are unsuitable, and certain products have a relatively narrow applicable viscosity range.
