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MSS SP-125-2018
Check Valves: Gray Iron and Ductile Iron, In-Line, Spring-Loaded, Center-Guided
This Standard Practice covers in-line, internally spring-loaded (a), 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 (b), waterworks, and other industrial applications, in horizontal and vertical installations.
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Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]