ZJ150 Roots Vacuum Pump

chinacoal05 www.chinacoalintl.com m.chinacoalintl.com we provide service of enterprise's customs declaration, inspection. The Roots vacuum pump is also called mechanical booster. It is the main pumping equipment in the middle or high vacuum. Its working principle is similar to the Roots fun by two rotors whose shape is like "8" and move synchronously to achieve the suction and discharge. According to the technics for pumping amount of steam in the chemical, pharmacy and so on