How to use the comprehensive performance test bench for electronic expansion valves of refrigeration cabinets

　　
Designed according to JBT-10212 and JBT-10386, this device is suitable for testing electronic expansion valves, including flow characteristics, valve opening pulse, valve port leakage, maximum operating pressure differential, and reverse valve opening pressure differential. So, how do you use a comprehensive performance test bench for electronic expansion valves in refrigeration cabinets? Let's take a look at how Guangzhou Zhipinhui Electronic Technology describes it.

1. Power Supply: AC 220V, 50Hz, Power, approximately 1kW;

2. Gas Source: Clean, high-purity nitrogen at 6MPa or higher;

3. Number of Workstations: 2, one dedicated to testing low-flow valves; the other to testing high-flow valves.

4. Test Items:

① Internal Leakage Test

② Flow Characteristics Test

③ Forward Maximum Valve Opening Pressure Differential Test

④ Reverse Maximum Valve Opening Pressure Differential Test