... 0~40000 Output Pressure(MPa):0~0.4 Induction AirGenratorQL Series pure air pumps are made up of compressor, test electrical control, ... . Every section cooperates well, the air pump works well and supplies pure air. QL Series pure air pumps are made up of compressor, test ... etc. Every section cooperates well, the air pump works well and supplies pure air. Technical Paramater TypeQL-3QL-5QL-10QL-20QL ...