Butterfly Dampers For Nominal Duct Diameter 10 in Overall Length 13 in Product Type Butterfly Valve Weight 5.45 lb Maximum Pressure Rating 42 in wc Maximum Temperature Rating 225 Degrees F Material Thickness 22 ga Material Steel Minimum Pressure Rating 2 in wc Shape Round Inside Diameter 10 in Outlet Diameter 10 in Overall Height 10 in Overall Width 10 in Color Silver Connection Type Clamp Together For Media Type Dust Environment Type Dusty Material Fabrication Rolled Edge