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MSS SP 80 2013 Edition, January 1, 2013
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Bronze Gate, Globe, Angle, and Check Valves
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This Standard Practice establishes requirements for bronze gate, globe, angle, and check valves for general purpose services and provides requirements for the following:

a) Pressure-Temperature Ratings

b) Materials

c) End Connections (Design)

d) Dimensions (Design)

e) Markings

f) Inspection and Testing

PURPOSE

This MSS Standard Practice establishes requirements for bronze gate, globe, angle, and check valves in Classes 125 (PN 20), 150 (PN 20), 200, 300 (PN 50) and 350 for threaded and solder ends and Classes 150 (PN 20) and 300 (PN 50) for flanged ends. Pressures in this Standard Practice are expressed as gauge pressure in pounds per square inch (Kilopascals). Hereafter the pressure will appear as psi (kPa).