Methods to avoid friction of Roots vacuum pump unit During the operation of Roots vacuum unit, friction may be caused by improper operation of workers, which is not good for our machine. In order to avoid this phenomenon, we will take cert…

Method of maintaining filter element of Roots vacuum unit Roots vacuum unit has a kind of filtering function in use, which is inseparable from the role of filter element. In order to better realize the filtering function and improve the ef…

liquid ring vacuum pump suction vent The influence of the position of suction and exhaust hole on pump performance of liquid ring vacuum pump was studied. Through technical renovation project, the concept of critical compression ratio of l…

Test of outlet pressure of Roots vacuum unit The temperature rise of Roots vacuum unit refers to the difference between the maximum temperature and the room temperature measured at all parts of the pump surface under the condition of stabl…