MSS SP-126
MSS SP-126 2007-JAN-01 Steel n-Lne Sprng-Asssted Center Guded Check Valves
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This Standard Practice covers in-line, center guided, internally spring-assisted type check valves made of steel, or other alloys listed in Table 1 of ASME B16.34. These valves, having the feature of limiting fluid flow to one direction only, are intended for use with clean fluids (i.e. fluids that contain no solids).