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Gray Iron and Ductile Iron In-Line, Spring-Loaded, Center-Guided Check Valves

This Standard Practice covers in-line, internally spring-loaded, center-guided check valves made of gray iron or ductile iron. These valves, having the feature of limiting fluid flow to one direction only, are intended for use with clean fluids (i.e. fluids that do not contain solids), including potable water, waterworks and other industrial applications, in horizontal and vertical installations.


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October 27, 2021

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