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1 SECTION 15100 <br /> 2 <br /> 3 VALVES <br /> 4 <br /> 5 <br /> 6 PART 1 : GENERAL <br /> 7 <br /> 8 1.01 DESCRIPTION <br /> 9 <br /> o The work of this section consists of furnishing and installing valves used to throttle, isolate, <br /> 11 and control flow in piping systems. <br /> 12 <br /> ' 13 1.02 RELATED WORK SPECIFIED ELSEWHERE <br /> 14 <br /> 15 A. Section 15010: General Process Piping Provisions. <br /> 16 <br /> 17 B. Division 15: Piping Materials <br /> 18 <br /> 19 C. Section 15410: Plumbing Piping Systems <br /> 20 <br /> 21 1.03 QUALITY ASSURANCE <br /> 22 <br /> ' 23 Reference, American Society for Testing and Materials (ASTM). <br /> 24 <br /> 25 1.04 SUBMITTALS <br /> 26 <br /> 27 A. Submit shop drawings in accordance with Section 01300. <br /> 28 <br /> 29 B. Materials list and catalog data sheets naming each product to be used identified by <br /> 30 manufacturer and type number. <br /> 31 <br /> 32 PART 2: MATERIALS <br /> 33 <br /> 34 2.01 VALVES - GENERAL <br /> 35 <br /> 36 A. All valve construction, materials, and pressure ratings shall be selected to suit the system <br /> 37 in which installed. Pressure rating and manufacturer's name shall be cast on each valve <br /> 38 body. Where possible, valves of the same type shall be of one manufacturer. <br /> ' 39 <br /> ao B. Stems of all bronze valves, silicon bronze or similar alloy to prevent de-zincification. Alloy <br /> 41 shall have minimum tensile strength of 60,000 psi, minimum yield point of 24,000 psi. <br /> 42 ASTM B564. <br /> 43 <br /> 44 C. Valves shall be furnished full line size unless specifically called out to be of reduced size. <br /> 45 Flanges for valves shall be plain face. Flanges for valves for water working pressures of <br /> 46 175 psi or less shall be faced and drilled to 125 Ib. standard dimensions. <br /> 47 <br /> 48 D. Valves installed immediately adjacent to flanged equipment and flanged specialties shall be <br /> 49 flanged, regardless of size. <br /> i 50 <br /> VALVES <br /> 082394 15100-1 <br />