ANALYTICAL
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CHEMISTRY
cenco "HYPERVAC 4 " HIGH VACUUM PUMP Here's a precision engineered pump specifically designed for use wherever high-speed, high-vacuum is a requirement . . . in plant, laboratory or research process. The new Hypervac-4 is an unusually quiet and compact twostage unit with a free air displacement of 41 liters per minute and a pumping speed at 1 micron of 0.35 liters per second. It attains an ultimate vacuum of 0.1 micron. The ratio of pumping speed at 1 micron to pumping speed at atmospheric pressure approaches 51%. Embodied in this highly efficient pump are many of the important features which have been responsible for the widespread acceptance of the entire family of Hypervac vacuum pumps Its small size, high capacity, low ultimate vacuum and quiet operation make the Hypervac-4 ideal for use with oil diffusion pumps.
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ASK FOR
CENTRAL
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CENTRAL SCIENTIFIC COMPANY 1708 Irving Park Road, Chicago 13, Illinois Please send me your circular No. 1209 containing full details about the new Cenco Hypervac-4 Pump. Name.
Dept
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