ALSK series water cycle vacuum pump and the compressing machine is suitable to inhale or compress the air or some other no eroding, not dissolve to water, not including solid gas, so that can make the vacuum and pressure in the obturating container. And the gas can have some liquid.

ALSK series can be used to engine, petroleum chemical, medicine, refine sugar and electric field. There are no any dangers in the process of inhale since it is same temperature in the process of compression.