4matic - Double Flange Fabricated Damper Valve

4Matic offers fabricated butterfly or wafer damper, can be a stack damper where sea ling or tight shut-off is not a I l-important. This is used as an isolating damper for flue-gas scrubbers. The butterfly damper is lightweight, simple, quick actuated and often comparatively low in cost. In process work, oval shapes adapt to that shape of duct. Occasionally, a double-disc butterfly appears resembling a circular two-bladed louver damper. The drive for a butterfly damper is also simple, needing only 90° of motion. The torque requirement can vary widely over damper life, if corrosion and thermal effects are severe. Hand levers, Gear boxes are used to butterfly dampers.