The Gorman-rupp Company

Tommy William Yeater

A valve assembly is provided that is suitable for use as an air release valve. The valve mechanism is actuated by liquid forced through an orifice by a diaphragm under pressure from the main discharge and is less prone to valve chatter under varying pressure conditions. The use of an externally adjustable orifice and/or regulator allows the valve assembly to operate satisfactorily in a wide range of pressures. The mode of operation of the valve mechanism is externally visible.

Air release valve

A self-priming centrifugal pump is disclosed in which major structural components of the pump housing are constructed from molded reinforced corrosion resistant plastic material. Internal parts of the pump housing which are subject to corrosion and abrasion from pumped liquids are formed using corrosion resistant metal and are permanently affixed to certain of the plastic pump housing components. The plastic components are reinforced against distortion resulting from pressure forces acting on them. Parts of the pump housing are detachably connected by clamping structure to permit replacement or repair of the pump impeller without requiring formation of load bearing threads in the plastic pump housing parts.

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Mansfield, OH, United States of America

Tommy William Yeater