Purpose: To test valve No. 1 for tightness against reverse flow.
目的：检测1号止回阀对于回流的密封性。
Purpose: To test check valve No. 2 for tightness against reverse flow.
目的：检测止回阀2号对于回流的密封性。
Purpose: To test operation of pressure differential relief valve.
目的：检测差压安全阀的工作性能。
Purpose: To test operation of pressure differential relief valve.
目的：检测差压安全阀的工作性能。
应用推荐