dry screw vacuum pump 300m3/hr vacuum pressure 0.4Pa DVS300

Vacuum systems are used to pump solvent vapors in many chemical and pharmaceutical applications wherever excess solvents must be removed such as processes involving drying, distilling, chemical reactions, synthesis of compounds, separation and purificatio

mechanical 2 stage oil rotary vane vacuum pump for laboratory and refrigerator absorption chiller

Working principle: 2XZ  vacuum pump consists of two parts: high pressure stage and low pressure stage.