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Southern Human Services Center Smith Sinnett /2020072 <br />HVAC and Roof Renovations Orange County,North Carolina <br />General-Duty Valves for HVAC Piping 23 <br />05 23 - 1 <br />SECTION 23 05 23 <br />GENERAL-DUTY VALVES FOR HVAC PIPING <br />PART 1 GENERAL <br />1.01 SECTION INCLUDES <br />A.Applications. <br />B.General requirements. <br />C.Ball valves. <br />D.Butterfly valves. <br />E.Check valves. <br />F.Chainwheels. <br />1.02 ABBREVIATIONS AND ACRONYMS <br />A.CWP: Cold working pressure. <br />B.EPDM: Ethylene propylene copolymer rubber. <br />C.NBR: Acrylonitrile-butadiene,Buna-N,or nitrile rubber. <br />D.NRS: Nonrising stem. <br />E.OS&Y: Outside screw and yoke. <br />F.PTFE: Polytetrafluoroethylene. <br />G.RS: Rising stem. <br />H.SWP: Steam working pressure. <br />I.TFE: Tetrafluoroethylene. <br />1.03 REFERENCE STANDARDS <br />A.ASME B1.20.1 -Pipe Threads,General Purpose (Inch)2013 (Reaffirmed 2018). <br />B.ASME B16.1 -Gray Iron Pipe Flanges and Flanged Fittings:Classes 25,125,and 250 2020. <br />C.ASME B16.5 -Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24 Metric/Inch Standard <br />2017. <br />D.ASME B16.18 -Cast Copper Alloy Solder Joint Pressure Fittings 2018. <br />E.ASME B31.9 -Building Services Piping 2020. <br />F.ASME BPVC-IX -Qualification Standard for Welding,Brazing,and Fuzing Procedures;Welders; <br />Brazers;and Welding,Brazing,and Fusing Operators -Welding Brazing and Fusing Qualifications <br />2019. <br />G.ASTM A395/A395M -Standard Specification for Ferritic Ductile Iron Pressure-Retaining Castings <br />for Use at Elevated Temperatures 1999 (Reapproved 2018). <br />H.ASTM A536 -Standard Specification for Ductile Iron Castings 1984 (Reapproved 2014). <br />I.AWWA C606 -Grooved and Shouldered Joints 2015. <br />J.MSS SP-67 -Butterfly Valves 2017. <br />K.MSS SP-68 -High Pressure Butterfly Valves with Offset Design 2017. <br />L.MSS SP-110 -Ball Valves Threaded,Socket-Welding,Solder Joint,Grooved and Flared Ends <br />2010. <br />M.MSS SP-125 -Gray Iron and Ductile Iron In-Line,Spring-Loaded,Center-Guided Check Valves <br />2018. <br />1.04 SUBMITTALS <br />A.Product Data: Provide data on valves including manufacturers catalog information. Submit <br />performance ratings,rough-in details,weights,support requirements,and piping connections. <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6