Butterfly Dampers For Nominal Duct Diameter 5 in Overall Length 8 in Product Type Butterfly Valve Weight 2 lb Maximum Pressure Rating 42 in wc Maximum Temperature Rating 225 Degrees F Material Thickness 22 ga Material Stainless Steel Minimum Pressure Rating 2 in wc Shape Round Inside Diameter 5 in Outlet Diameter 5 in Overall Height 5 in Overall Width 5 in Color Silver Connection Type Clamp Together For Media Type Dust Environment Type Dusty Material Fabrication Rolled Edge