Abstract
The ‘Air‐O‐FIow’ industrial vacuum cleaner was introduced recently when it was demonstrated in a wide range of cleaning applications. The unit works on the Venturi principle from a compressed air line at or above the standard pressure of 80 lb./sq. in. and will ‘inhale’ a large variety of ‘foreign bodies’—including broken glass, nuts and bolts, steel swarf and liquids. The unit has three interchangeable nozzles and a mobile stand, overall height is 23½ in. with a diameter of 11 in. and weighs 14½ lb. empty. The National Gas Turbines Establishment employs the ‘Air‐O‐Flow’ unit for the transfer of engineering machine suds and Handley Page, who were supplied with the equipment by the Royal Air Force, use it for extracting fuel from the tanks of the Victor.
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