The auto and semiconductor industries, among others, rely on control valves to regulate steam and water. New stainlesssteel SC2000 Series control valves from the Sinclair Collins Valve Div. of Parker Hannifin Corp., Akron, Ohio (www.parker.com/sc), are said to offer designers more flexibility. The valves can be flange or in-line mounted, and come in two and three-way versions. Valve bodies have integral seats and stems, with seats made of PTFE-filled steel. The soft seats provide bubbletight performance even in rugged and demanding applications, according to the manufacturer. Stem packers are spring loaded, which reduces maintenance and extends valve life. Operating pressure is 35 to 120 psi, while operation temperatures can range from 40 to 450°F. The valves handle water, steam, hot and cold liquids, vacuum, air, and inert gases. And their slim profile lets them fit in applications where space is tight.