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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 - 3 <br />b.Grooved-End Butterfly: 2-1/2 NPS to 12 NPS,175 CWP. <br />c.Butterfly:High performance,single flange,Class 300. <br />d.Center-Guided Check: Compact-wafer,metal seat,Class 150. <br />2.02 MANUFACTURERS <br />A.Provide all valves of each type from a single manufacturer. <br />B.Manufacturers: <br />1.Anvil <br />2.Apollo <br />3.Cincinnati Valve <br />4.Crane <br />5.Hammond <br />6.Jomar Valve <br />7.ITT Grinnell <br />8.Milwaukee <br />9.Nibco <br />10.Powell <br />11.Victaulic <br />12.Or Approved Equal <br />2.03 GENERAL REQUIREMENTS <br />A.Valve Pressure and Temperature Ratings: No less than rating indicated. <br />B.Valve Sizes: Match upstream piping unless otherwise indicated. <br />C.Valve Actuator Types: <br />1.Hand Lever: Quarter-turn valves 6 NPS and smaller. <br />D.Valves in Insulated Piping: Provide 2 NPS stem extensions and the following features: <br />1.Ball Valves: Extended operating handle of non-thermal-conductive material,and protective <br />sleeve that allows operation of valve without breaking the vapor seal or disturbing insulation. <br />2.Butterfly Valves: Extended neck. <br />3.Memory Stops: Fully adjustable after insulation is installed. <br />E.Valve-End Connections: <br />1.Threaded End Valves: ASME B1.20.1. <br />2.Flanges on Iron Valves: ASME B16.1 for flanges on iron valves. <br />3.Pipe Flanges and Flanged Fittings 1/2 NPS through 24 NPS: ASME B16.5. <br />4.Solder Joint Connections: ASME B16.18. <br />5.Grooved End Connections: AWWA C606. <br />F.General ASME Compliance: <br />1.Building Services Piping Valves: ASME B31.9. <br />G.Bronze Valves: <br />1.Fabricate from dezincification resistant material. <br />2.Copper alloys containing more than 15 percent zinc are not permitted. <br />H.Source Limitations: Obtain each valve type from a single manufacturer. <br />2.04 BRONZE BALL VALVES <br />A.Two Piece,Full Port with Stainless Steel Trim: <br />1.Comply with MSS SP-110. <br />2.SWP Rating: 150 psig. <br />3.CWP Rating: 600 psig. <br />4.Body: Bronze. <br />5.Ends: Threaded. <br />6.Seats: PTFE . <br />7.Stem:316 Stainless steel. <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6