3. When using the electric control valve in daily life, it is necessary to record the working condition of the electric control valve in a timely manner, because in many cases, some detailed changes are signs of detailed damage to the electric control valve. If ignored, it may lead to greater failure of the electric control valve. 　　　　

When we use the electric butterfly valve at ordinary times, we always find this or that kind of fault. It is very important to master the correct troubleshooting methods. Be able to timely repair or avoid the possibility of failure when product failure occurs. For example, before installation, we should consider and observe that the performance of the product itself is consistent with the direction of the medium fluid in the working environment, and should meet the conditions of the motion condition.