Metal seated wafer style 

Norris metal seated wafer butterfly valves are used in applications requiring broader temperature ratings and can be used in working pressures up to 200 pounds. Wafer options are typically used with smaller valves and in lower pressure applications compared to lug style designs.

• Available working pressure of 200 psi, 285 psi (ANSI 150)
• Size ranges: 2” – 24”
• Body materials: Ductile iron, carbon steel, Nickel aluminum bronze, bronze, aluminum
• Seat material options: Stainless steel, aluminum bronze, iron
• Temperature rating: -40 – 350° F