Biplane Damper(Tandem Louver dampers) for FGD Applications


Bi-plane damper is located mostly in between ID fan and chimney. This damper is required for diverting the flue gas into FGD plant for Sulphur removal treatment instead of allowing the flue gas directly into the chimney. Twin blade louver damper i.e. Two plates mounted to a single shaft trunnions( stub shafts) and are reinforced with stiffeners between the plates or other sealing is provided to achieve the gas leak tightness Mechwell is able to provide Bi-plane dampers having 100 % sealing efficiency with seal air fan and 99.85% without seal air fan.

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