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ORANGE COUNTY 230523-1 <br /> <br />Emergency Management Warehouse Building Dehumidification HVAC General Duty Valves <br /> for Hydronic Piping <br /> <br />SECTION 230523 – HVAC GENERAL-DUTY VALVES FOR HYDRONIC PIPING 1 <br /> 2 <br />PART 1 - GENERAL 3 <br /> 4 <br />RELATED DOCUMENTS 5 <br /> 6 <br />Drawings and general provisions of Contract, including General and Supplementary Conditions and Division-1 7 <br />Specification sections, apply to work of this section. 8 <br /> 9 <br /> 10 <br />QUALITY ASSURANCE 11 <br /> 12 <br />Valve Identification: Provide valves with manufacturer's name (or trademark) and pressure rating clearly marked on 13 <br />valve body. 14 <br /> 15 <br />ANSI/MSS Compliance: Valves shall comply with Manufacturers Standardization Society of the Valve and Fittings 16 <br />Industry, Inc. (ANSI/MSS) standards as referenced hereinafter. Mark valves in accordance with MSS 25. 17 <br /> 18 <br />ASME Compliance: 19 <br /> 20 <br />ASME B16.10 and ASME B16.34 for ferrous valve dimensions and design criteria. 21 <br /> 22 <br />ASME B31.9 for building services piping valves. 23 <br /> 24 <br /> 25 <br />SUBMITTALS 26 <br /> 27 <br />General: Submittals shall demonstrate compliance with technical requirements by reference to each subsection of 28 <br />this specification. Where a submitted item does not comply fully with each and every requirement of the 29 <br />Specifications, the submittal shall clearly indicate such deviations. Identification requirements for non-complying 30 <br />features of items are very specific. See Section 019913 for exact requirements. 31 <br /> 32 <br />Manufacturer's Data: Submit manufacturer's technical product data, including installation instructions for each type of 33 <br />valve. 34 <br /> 35 <br /> 36 <br />PART 2 - PRODUCTS 37 <br /> 38 <br /> 39 <br />GENERAL 40 <br /> 41 <br />Valve Types: Provide valves of same type, provided by same manufacturer throughout. 42 <br /> 43 <br />Sizes: Unless otherwise indicated on the Drawings, provide valves of same size as upstream pipe size. 44 <br /> 45 <br />Operators: Provide handwheels, fastened to valve stem, for valves other than quarter-turn. Provide lever handle for 46 <br />quarter-turn valves 6" and smaller, other than plug valves. Where quarter turn valves are used for balancing 47 <br />purposes, provide memory stops. Where valves 6" and larger are located more than 8 feet AFF, provide chain 48 <br />operators. 49 <br /> 50 <br /> 51 <br />HVAC WATER SYSTEMS VALVES 52 <br /> 53 <br />General: Water systems valves shall be rated at not less than 125 psig WOG at 240-deg. F. 54 <br /> 55 <br />Valves 2" NPS and smaller: Provide with screw or solder ends to match piping. 56 <br /> 57 <br />Ball Valves: Valves shall be rated 600 psi non-shock CWP and will have 2-piece cast bronze bodies, TFE 58 <br />seats, full port, separate packnut with adjustable stem packing, anti-blowout stems and chrome-plated 59 <br />brass/bronze ball, and be manufactured to comply with MSS SP110. 60 <br />61 <br />DocuSign Envelope ID: 7668B866-6C26-485C-9A45-DAAB5D4BD951