FUNCTIONFengyu patented CK series vacuum evacuating device is widely used to create vacuum conditions in electrical, metallurgical, medical and mechanical industries. This device can obtain vacuum range from 133Pa to 5 Pa, with maximum vacuum pressure 5 Pa. It has the benefits of quick start up, high efficiency, reliability and easy operation.STRUCTURE & PRINCIPLEThe machine is equipped with a Roots pump as its main pump and a rotary vacuum pump as the first stage pump. Between the first stop pump and main pump, there is an electromagnetic vacuum gas filling valve which will open and shut with the first stop pump. The machine is also equipped with an electronic vacuum gauge to observe and control vacuumized container’s vacuum degree
