RR series roots vacuum pump is a product produced by Shandong Zhanggu by introducing the advanced design and manufacturing technology of Japan's Dahuang Machinery Industry Co., Ltd. This series of products concentrate the technical essence of many years of research in Japan, the pursuit of high efficiency, the use of special impeller profile, in accordance with the results of aerodynamic research results, the development of high-efficiency and energy-saving roots vacuum pump, in the adaptation to special complex working conditions in the world's leading level. The vacuum pump is equipped with an integrated control cabinet, the user can set the target vacuum level through the touch screen, and the equipment can realize one-key start and stop, automatic constant pressure adjustment. Integrated cabinet design greatly simplifies the installation process;