Solenoid pneumatic valve selection guide, understand solenoid pneumatic valve procurement point

solenoid pneumatic valve actuator is commonly used in industry control system, to realize the remote control or SPC system medium. Solenoid pneumatic valve converts electromagnetic force to mechanical force to achieve the purpose of the switch, because the electromagnetic pneumatic valve device has small volume, safe and reliable, light weight, simple operation, convenient maintenance, and many other advantages, application fields are becoming more and more widely. But many people at the time of choosing solenoid pneumatic valve, often points not clear, in different working environment should be what kind of standard, choose to suit oneself the solenoid pneumatic valve equipment of the project. This article will combine the Chinese giant benign and pneumatic valve industry in many projects rich actual combat experience, to introduce the electromagnetic pneumatic valve selection of some matters needing attention, to avoid mistakes in the purchase of solenoid pneumatic valve. Guide,
electromagnetic pneumatic valve selection should follow safety, scientific nature, reliability, applicability and economy of the selection of the five principles, at the same time take into account the operation condition of the site. For example: the size of the pneumatic valve size, working pressure, the type of medium, medium temperature, environment temperature, power supply pressure and connection mode, installation mode, pneumatic valve body material, as well as the special demand for electromagnetic pneumatic valve. Safety

the solenoid pneumatic valve adapt to different working condition of the different situation, corresponding to different dielectric properties. General solenoid pneumatic valve, for instance, does not have waterproof properties, if you need to have waterproof performance of solenoid pneumatic valve equipment, need for manufacturers to give a special instructions. Each solenoid pneumatic valve has a calibration of the highest nominal pressure, the highest pressure inside the pipeline cannot exceed the highest nominal pressure solenoid pneumatic valve device, otherwise it will bring potential safety hazard. Science

the scientific nature, namely, to understand the working principle of the pneumatic valve to distinguish the various types of pneumatic valve, working environment, work stress, applicable conditions, avoid to use inappropriate. Actually, according to the working principle of the pneumatic valve, and can be divided into straight acting, straight acting distribution, guiding type solenoid pneumatic valve, pneumatic valve core from the structure and material of different principle distinction and can be divided into straight moving piston structure, step by step straight moving piston structure, the guide piston structure, straight moving membrane structure, membrane structure, the forerunner of moving step by step structure six kinds of diaphragm, when use can be consult to the factory.

reliability test of service life of pneumatic valve, pneumatic valve is divided into two normally open and normally closed, normally closed type is generally selected, open power, power is shut down; If the project is the use of electromagnetic pneumatic valve open for a long time, the appropriate choice of the normally open type solenoid pneumatic valve. Applicability

when choosing solenoid pneumatic valve, electromagnetic air valve is used in the fluid medium in the pipeline must be and series calibration of the medium in the model is consistent; The fluid medium temperature should be less than the set temperature of solenoid pneumatic valve. And according to the viscosity of the fluid, usually under cSt can choose, if the fluid viscosity value higher than that of cSt, you need to choose high viscosity solenoid pneumatic valve equipment. Applicability principle of the nature of the medium must be considered and working environment. Economy

solenoid pneumatic valve equipment working condition of the corresponding environment and needs, but a lot of solenoid pneumatic valve equipment can be universal, in many cases, if the condition is not responsible for, there is no specific requirement to equipment, and can choose general solenoid pneumatic valve, it is an economical way.