FE&M multi-blade diverter dampers are engineered specifically for gas turbine exhaust applications in which precise flow control to waste heat recovery (WHR) equipment is required. The rectangular frame may be internally or externally lined to reduce heat loss.
With the WHRU damper closed, gas leakage will be approximately 1% to 0.5% of maximum flow depending upon selected seal design. Leakage through packing glands is zero (0) at design pressure and temperature.
Standard actuators include pneumatic, electric, hydraulic and manual systems. Controls include directional valves for 2-position operation, positioners (electric & pneumatic) for flow control, position transmitters and position indicator switches.
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