Spears® Diaphragm Valve, 1-1/4 in Nominal, Special Reinforced FNPT, 235 psi, 180 deg F, Polypropylene Body, Elastomer Backed PTFE Diaphragm, EPDM Seal, Domestic

All thermoplastic diaphragm valves shall be Weir-type constructed from PVC type I, ASTM D1784 cell classification 12454 or CPVC type IV, ASTM D1784 cell classification 23447, or polypropylene, ASTM D4101. All diaphragms shall be EPDM, FKM or PTFE with EPDM or FKM backing. All valves shall have built-in position indicator with polypropylene handwheel. All True Union style valve union nuts shall have buttress threads. All PVC and CPVC 1/2 in through 2 in valves shall be pressure rated to 235 psi, all 2-1/2 in through 4 in and all flanged valves and valves with PTFE backing shall be pressure rated to 150 psi, all 6 in valves shall be pressure rated to 100 psi, and all 8 in valves shall be pressure rated to 75 psi for water at 73 deg F. All polypropylene valves shall be pressure rated to 150 psi for water at 73 deg F, as manufactured by Spears® manufacturing company.