Industrial Grade Flap Damper is used in various industries for pre-spinning of duct air, isolation, and modulating service. The Damper is used to protect the exhaust system from the elements, minimize heat loss from the boiler, and reduce the stack effect during periodic shutdowns. The Damper has maximum stroke of 150 mm, maximum load ranging from 15 to 550 kgf/ cm. The Industrial Grade Flap Damper is made using quality grade stainless steel that ensures good quality.