A. American National Standards Institute: 1. ANSI Z Relief Valves for Hot Water Supply Systems.

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1 SECTION PLUMBING VALVES PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Ball valves. 2. Butterfly valves. 3. Swing check valves. 4. Spring loaded check valves. 5. Water pressure reducing valves. 6. Relief valves. 7. Flanges, unions, and couplings. B. Related Sections: 1. Section Hangers and Supports: Product and installation requirements for pipe hangers and supports. 2. Section Mechanical Insulation: Product and installation requirements for insulation for piping and valves. 1.2 REFERENCES A. American National Standards Institute: 1. ANSI Z Relief Valves for Hot Water Supply Systems. B. American Society of Mechanical Engineers: 1. ASME Section IV - Boiler and Pressure Vessel Code - Heating Boilers. 2. ASME Section IX - Boiler and Pressure Vessel Code - Welding and Brazing Qualifications. C. American Welding Society: 1. AWS D1.1 - Structural Welding Code - Steel. D. Manufacturers Standardization Society of the Valve and Fittings Industry: 1. MSS SP 67 - Butterfly Valves. 2. MSS SP 70 - Cast Iron Gate Valves, Flanged and Threaded Ends. 3. MSS SP 71 - Cast Iron Swing Check Valves, Flanged and Threaded Ends. 4. MSS SP 78 - Cast Iron Plug Valves, Flanged and Threaded Ends. 5. MSS SP 80 - Bronze Gate, Globe, Angle and Check Valves. 6. MSS SP 85 - Cast Iron Globe & Angle Valves, Flanged and Threaded. 7. MSS SP Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends. 1.3 SUBMITTALS A. Division 1 - Submittal Procedures: Submittal procedures. B. Product Data: Submit Manufacturers catalog information with valve data and ratings for each service. C. Welders Certificate: Include welders certification of compliance with ASME Section IX

2 D. Manufacturer's Installation Instructions: Submit hanging and support methods, joining procedures. E. Manufacturer's Certificate: Certify products meet or exceed specified requirements. 1.4 CLOSEOUT SUBMITTALS A. Division 1 - Execution Requirements: Closeout procedures. B. Project Record Documents: Record actual locations of valves. C. Operation and Maintenance Data: Submit installation instructions, spare parts lists, exploded assembly views. 1.5 QUALITY ASSURANCE A. Perform Work in accordance with all local codes and standards. B. Maintain one copy of each document on site. 1.6 QUALIFICATIONS A. Manufacturer: Company specializing in manufacturing products specified in this section with minimum three years experience. B. Installer: Company specializing in performing Work of this section with minimum three years experience. 1.7 DELIVERY, STORAGE, AND HANDLING A. Division 1 - Product Requirements: Product storage and handling requirements. B. Accept valves on site in shipping containers with labeling in place. Inspect for damage. C. Provide temporary protective coating on cast iron and steel valves. 1.8 ENVIRONMENTAL REQUIREMENTS A. Division 1 - Product Requirements. 1.9 WARRANTY A. Division 1 - Execution Requirements: Product warranties and product bonds. B. Furnish 1 year manufacturer warranty for valves excluding packing EXTRA MATERIALS A. Division 1 - Execution Requirements: Spare parts and maintenance products. B. Furnish two packing kits for each size valve

3 PART 2 PRODUCTS 2.1 PLUMBING VALVES A. Ball Valves: c. Apollo. d. Substitutions: Division 1 - Product Requirements. 2. Furnish materials in accordance with local codes and standards and Smaller: MSS SP 110, Class 150, 600 psibronze, two piece body, chrome plated brass ball, full port, teflon seats and stuffing box ring, blow-out proof stem, lever handle with balancing stops, solder ends. B. Butterfly Valves: c. Stockham. d. Substitutions: Division 1 - Product Requirements. 2. Furnish materials in accordance with all local codes and standards /2 and Larger: MSS SP 67, 200 psi, cast or ductile iron body. Nickel-plated ductile iron disc, resilient replaceable EPDM seat, grooved ends, extended neck, infinite position lever handle with memory stop. Furnish gear operators for valves 8 inches and larger, and chain-wheel operators for valves mounted over 8 feet above floor. C. Swing Check Valves: c. American Valve. d. FMC Crosby Valve. e. Substitutions: Division 1 - Product Requirements. 2. Furnish materials in accordance with all local codes and standards inches and Smaller: MSS SP 80, Class 125, bronze body and cap, bronze swing disc with rubber seat, solder ends /2 inches and Larger: MSS SP 71, Class 125, iron body, bronze swing disc, renewable disc seal and seat, flanged ends. D. Spring Loaded Check Valves: c. Substitutions: Division 1 - Product Requirements. 2. Construction: Iron body, bronze trim, split plate, hinged with stainless steel spring, resilient seal bonded to body, wafer or threaded lug ends

4 E. Water Pressure Reducing Valves: a. Watts. b. Substitutions: Division 1 - Product Requirements inches and Smaller: Construction: MSS SP 80, bronze body, stainless steel and thermoplastic internal parts, fabric reinforced diaphragm, strainer, and single union ends /2 inches and Larger: MSS SP 85, cast iron body, bronze fitted, elastomeric diaphragm and seat disc, flanged. F. Relief Valves: 1. Pressure Relief: a. Manufacturers: 1) Watts. 2) Substitutions: Division 1 - Product Requirements. b. Construction: AGA Z21.22 certified, bronze body, teflon seat, steel stem and springs, automatic, direct pressure actuated. 2. Temperature and Pressure Relief: a. Manufacturers: 1) Watts. 2) Substitutions: Division 1 - Product Requirements b. Construction: ANSI Z21.22 certified, bronze body, Teflon seat, stainless steel stem and springs, automatic, direct pressure actuated, temperature relief maximum 210 degrees F, capacity ASME Section IV certified and labeled. 2.2 FLANGES, UNIONS, AND COUPLINGS A. Unions for Pipe 2 inches and Smaller: 1. Ferrous Piping: 150 psig malleable iron, threaded. 2. Copper Pipe: Bronze, soldered joints. B. Flanges for Pipe 2 inches and Larger: 1. Ferrous Piping: 150 psig forged steel, slip-on. 2. Copper Piping: Bronze. C. Gaskets: 1/16-inch thick preformed neoprene. D. Accessories: Steel bolts, nuts, and washers. E. Dielectric Connections: Union with galvanized or plated steel threaded end, copper solder end, water impervious isolation barrier. PART 3 EXECUTION 3.1 EXAMINATION A. Division 1 - Administrative Requirements: Coordination with project conditions. B. Verify piping system is ready for installation

5 3.2 INSTALLATION A. Provide non-conducting dielectric connections wherever jointing dissimilar metals. B. Install valves with stems upright or horizontal, not inverted. C. Use grooved mechanical couplings and fasteners only in accessible locations. D. Install unions downstream of valves and at equipment or apparatus connections. Do not use direct welded or threaded connections to valves, equipment or other apparatus. E. Install ball or butterfly valves for shut-off and to isolate equipment, part of systems, or vertical risers. F. Install ball or butterfly valves for throttling, bypass, or manual flow control services. G. Provide spring loaded check valves on discharge of water pumps. H. Use lug end butterfly valves to isolate equipment. I. Use 3/4 inch ball valves with cap for drains at main shut-off valves, low points of piping, bases of vertical risers, and at equipment. J. Provide plug valves in natural gas systems for shut-off service. K. Provide flow controls in water re-circulating systems as indicated on Drawings. L. Refer to Section for insulation requirements for piping and valves. M. Refer to Section for pipe hangers. END OF SECTION