With the sustainable development of economy, industry has gradually changed from the former human dominated industry to the automation industry. A variety of automation equipment plays an important role in industry, liberating a large number of human and material resources. Electric control valve is one of the automation equipment driven by electricity. 　　　　

There is an inseparable relationship between the use of electric valves and the environment. Although the scope of application of electric valves and the variety of products to be treated are many, the use environment will also have a certain impact on the operation of these equipment, especially with the increasingly strict requirements of modern industrial environment, the occurrence of many dangerous accidents, or the quality of product production, It is all caused by environmental factors, so attention must be paid to the details so as not to affect the use of the equipment itself.