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HD FoWler Company Submittal-Bid Item#27 <br /> KS-RW (C515) <br /> MATERIAL SPECIFICATIONS <br /> KENNEDY VALVE <br /> Material Specifications <br /> DUCTILE IRON Specification ASTM A536 Grade 70-50-5 <br /> Physical Properties <br /> Minimum tensile strength 70,000 psi <br /> Minimum transverse strength 50,000 lbs <br /> Minimum deflection(12"centers) 5% <br /> STANDARD <br /> CAST BRONZE-ASTM B763 C99500(Stem Nut) <br /> Physical Properties <br /> Minimum tensile strength 70,000 psi <br /> Minimum yield strength 40,000 psi <br /> Minimum elongation(in 2 inches) 12% <br /> Chemical Analysis <br /> Copper Remainder <br /> Lead (maximum) .25 <br /> Aluminum 0.5-2.0 <br /> Iron 3.0-5.0 <br /> Nickel(maximum) 3.5-5.5 <br /> Zinc 0.5-2.0 <br /> Silicon 0.5-2.0 <br /> Manganese(maximum) 0.5 <br /> CAST BRONZE-ASTM B584 C86700(NRS Stem) <br /> Physical Properties <br /> Minimum tensile strength 80,000 psi <br /> Minimum yield strength 32,000 psi <br /> Minimum elongation (in 2 inches) 15% <br /> Chemical Analysis <br /> Copper 57.0-60.0 <br /> Lead(maximum) .50- 1.50 <br /> Aluminum 1.0-3.0 <br /> Iron 1.0-3.0 <br /> Nickel (maximum) 1.0 <br /> Zinc 30.0-38.0 <br /> Tin (maximum) 1.5 <br /> (EPDM) Ethylene Propylene Diene Monomer <br /> Hardness(Shore A) 80±5 <br /> Tensile(PSI) 1,500 min <br /> Elongation(%) 150 min <br /> Compression set, ASTM D395 Method B 20%max <br /> Updated 01/31/13 <br /> 8-4 Kennedy Valve/RSGV Submittal Sheets <br />