McMaster 4599K47 Gradual On Off Valve, Bronze Body & Gate, Easy Maintenance, Wheel Handle Rising Stem, 1 1 2 NPT Female, Class 150, MSS SP 80 G0367857 made from tempered drop forged steel made from tempered drop forged steel Ring Material Hinged Steel Valve Function On Off Valve Type Gate Actuation Manual Handle Style Wheel Handle Material Iron Pipe Size 1 1 2 Gender Female Thread Type NPT Flow Coefficient (Cv) 135 Pressure Class 150 Maximum Pressure 300 psi @ 100° F Maximum Steam Pressure 150 psi @ 365° F Temperature Range 20° to 400° F Body Material Bronze Gate Material Bronze Packing Material Graphite End to End Length 3 1 4" Overall Height 11 1 16" Stem Type Rising Seal Type Packing For Use With Water Also known as gate valves