Summary:

　　ZF series package unit (also known as a vacuum generating device, vacuum station) is in one or two water ring ZF package unit is a kind of whole sets for storing vacuum, which is composed of one or two water ring vacuum pumps as the device for obtaining vacuum and the vacuum container device for storing vacuum. When the vacuum resource is required constantly and the suction capacity is not required a lot, to use the ZF package unit can save more energy than to use the vacuum pump directly and this can improve the vacuum pump lifetime efficiently.

　　The ZF series package units are used as the vacuum resource in the large or middle domestic hospitals. They are used extensively as the vacuum station in the chemical and pharmacy, or the canning system in the light industry, or the negative molding of the rubber object in automobile area, or the vacuum sorking of the flammable resistant transmission in mine coal, or the vacuum resource for the molding area etc.