What items does the air conditioning system electronic expansion valve performance test bench generally test?

　
　The equipment is designed according to JBT-10212 and JBT-10386. According to the test results, the electronic expansion valve can be optimized and improved to improve its performance and reliability. What items are generally tested by the air conditioning system electronic expansion valve performance test bench? Let's see how Guangzhou Zhipinhui Electronic Technology introduces it.

　　Test items:

① Valve leakage test

② Flow characteristics test

③ Maximum valve opening pressure difference test

④ Valve opening pulse test