The PM80W Water Series liquid-cooled vacuum pump from Moro USA is designed for industrial-duty applications. It has 29 psi positive pressure capability and can run at 24 inches Hg continuous and 28 inches Hg max intermittent, with a flow rate of 417 cfm. The suggested tank size is 2,000 to 4,000 gallons. It has Kevlar vanes, visual inspection ports and cantered rotor, which creates higher efficiency than traditional designs. It includes quality Viton oil seals, direct-feed oil-injected lubrication and sealed or oil-injected bearings to eliminate grease points. It includes an integrated check valve, changeover valve and automatic oiling system, which along with low-speed rotation are designed to extend pump life under rigorous conditions. It is also available as a right-angle and engine-driven package. 800/383-6304; www.morousa.com.