Pfeiffer Vacuum, Nashua, N.H., has recently unveiled its new CombiLine Roots Pumping Stations for industrial applications with pressure ranges from atmosphere to high vacuum. The CombiLine pumping stations are a combination of a Roots pump or pumps and the following major components: rotary vane, turbomolecular, dry, liquid ring, cryo- and diffusion pumps, vacuum gauges, analytical equipment, pumping stations control systems and bus connections. Industrial applications for this line of products include coating, helium leak detection, electron beam welding and metallurgy.