DESCRIPTION
This series of pumps are elementary equipment for pumping air from sealed vassals. It can be used alone, also can be used as the forepump, process pump or titanium pump of booster pump, diffusion pump, and molecular pump. The pumps are also used in making electrical vacuum cases, vacuum jointing, printing, photoengraving, food packaging, vacuum forming, refrigeration equipment repair and instruments or a set of equipments in laboratory, It is widely used in aerospace, semiconductor , coating , food packaging ,drying machines, refrigeration equipment, scientific research, medical treatment, electro 1ics, chemicals, medicine and laboratory or labouratory of universities and colleges.It is essential euipment for the above industry.