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Butterfly Valves

The butterfly valve series is available in many sizes to meet the requirements of commercial and institutional HVAC applications requiring zero percent leakage for 2-way and 3-way applications. The resilient seat ductile iron butterfly valves comply with local pressure vessel design standards. For higher performance applications, the carbon steel body butterfly valves with lugged flanges comply with local pressure vessel design standards. Common applications include chiller and boiler isolation, cooling tower isolation, change-over systems, large air handler coil control, and bypass to maintain minimum flow to a chiller or boiler plant.