Smith-Cooper International 160 Series Iron Butterfly Valve, Lug Style, Nickel Plated Ductile Iron Disc, Buna-N Seat, Gear Operator, 8" Lug-style design for end-of-line service and removal of downstream piping Made of iron for compressive strength and resistance to wear; Buna-N seats provide high tensile strength and resistant to oil, fuel, and other chemicals Gear operator with a handwheel for manual flow control Maximum steam pressure of 200 pounds per square inch (psi); Upper temperature range of 150 degrees Fahrenheit. Flanged connections surround the body on both sides for bolting to pipes