This pump is a new tempered glass multi-usage vacuum pump with water circulation It has big power and multipe air exhaustor and fixed inside and outside water circulation can be with five tap for sucion direct display at the same time.It according to small area in the lab to design.It has the advantages of unuse oil,non-pollution.big power,lower noise, easy movement,save water and electricity.one machine with multi-usage.
（1）One machine with single-meter and multi-pipe operation,where five sets of air exhaustor are fixed and used independently or parallelly.
（2）Corrosion resisting non-pollution,lower noise,long service life.
（3）The pump outer cover is of tempered glass,main machine is made of polypropylene and stainless steel.