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Mini Water Circulating Liquid Recycled Suction /Aspirator Vacuum Pump For Rotovap

2018-11-23

In a reasonable choice of the process of the Vacuum Pump, according to the specific requirements of the work process pressure level and the nature of the suction gas to choose. How to choose the vacuum pump? Vacuum pump selection method Vacuum pump selection method generally first determine the specific process requirements of work pressure, vacuum distillation, distillation, sublimation and other processes require high vacuum (low working pressure), vacuum evaporation, drying, concentration, crystallization, Dehydration, bleaching, chemical reaction absorption and vacuum conveying materials and other processes require a low degree of vacuum (high working pressure). Working pressure is determined, according to the size of the amount of suction and the nature of the suction gas to choose a reasonable vacuum pump. 1, according to several types of vacuum pump work pressure can be achieved to list the scope of application of various vacuum pumps. 2, suction different gas to choose a different jet vacuum pump a. Water jet vacuum pump is suitable for working pressure greater than 25mmhg (3.3KPa), suction all kinds of gas occasions. When the work pressure is relatively small, non-condensable pumping gas volume is larger, you should choose steam jet pump and steam in series, steam jet spray combination. b. FJ series vacuum pump working pressure up to 2mmhg (267Pa), but the new high-efficiency steam jet vacuum pump, jet fuel combination jet vacuum pump, multi-stage steam jet vacuum pump exhaust volume is small, suitable for intermittent production of SMEs. c. The new high-efficiency steam jet vacuum pump working pressure can reach 0.5mmhg (65Pa), suitable for the suction of most of the gas is a condensable gas, the amount of non-condensable gas occupies a relatively small proportion of the process. d. Soda combined jet vacuum pump and multi-stage steam jet vacuum pump working pressure up to 10Pa, you can suck a variety of gases, their difference is that soda jet vacuum pump than the multi-stage steam jet vacuum pump to save steam consumption, saving running costs .
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