Industrial Grade Butterfly Damper is virtually leak proof and work on rotating disc principle. The Butterfly Damper is used for throttling control of air, gas, liquids steam and other type of fluids with suspended solids. The Butterfly Damper is available in 3 inch diameter to 4 meter diameter and can be raised up to temperature of 950° C. Industrial Grade Butterfly Damper is light in weight and is capable of absorbing piping stresses and misalignments.