This hand operated vacuum pump is made of a durable polychloroethylene plastic with a gauge to measure vacuum in mm of mercury or pascals. This plastic pump can easily provide a vacuum of 25-27in/Hg by pumping its handle. This unit is capable of generating a vacuum of 50 mm Hg. By changing its working mode, the pump can be used to establish air pressure as high as approximately 2 atm. The pressure gauge reads in both centimeters and inches of mercury. The vacuum pump’s rate is 15ml per stroke and will displace up to 725ml of air. It is fitted with a valve to release the vacuum without disconnecting the pump. Includes instruction sheet
The pump itself is sealed and self lubricated. It is often used in conjunction with buchner funnels. This pump is used to create a vacuum, not to hold a vacuum. It comes with approximately 2 feet of tubing. Uses of this product are for middle school physical science experiments, vacuum filtering, siphoning, leakage checking, and pumping and indirect transporting of liquids. You could also use this for other applications such as automotive or light air-conditioning work. It is light weight, small volume, easy to carry and easy to use. A pump with a gauge that is better for automotive and physical science use where calibrated vacuum is required. This pump is not intended for high vacuum applications.
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