(918) 252-9333
EQUIPMENT COMPANY
Dampers for control and isolation of flue gas
The Senior Flexonics Pathway family of damper products include guillotines with a variety of drive modes including the patented Blade Drive concept, single and double louvers, butterfly dampers, diverter valves for gas turbines and other industrial applications, and poppet valves for bag house internals. Materials of construction include carbon and alloy steels, stainless steel, and high nickel alloys.
ROUND
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Sealing efficiencies for butterflies are 99.50% to 99.85% without seal air and 100% with seal air.
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Guillotines, although more costly, provide the least static pressure loss and assurance of 100% sealing efficiency or "man-
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Sealing efficiency for a guillotine damper ranges from 99.75% to 100%.
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Closing times are faster with poppet valves (1/2 to 1 sec) versus butterflies (1 sec) and guillotines (10 sec min -
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Poppets do not seal as well as butterfly or guillotine dampers with sealing efficiencies to 99.75%.
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Poppets do not survive system upsets and fires as well as butterfly and guillotine dampers.
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RECTANGULAR
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Sealing efficiencies for rectangular butterfly dampers range from 99.00% to 99.75% and 100% with seal air.
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Multi-
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Guillotine dampers provide sealing efficiencies from 99.75% without seal air and 100% with seal air.
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Operating times range from 1/2 to 1 sec. for louvers, 1 sec. for butterflies, and 10 sec min and are size dependant for guillotines.
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Louver dampers are more costly than butterflies but less than guillotines.
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Static pressure loss is minimal with guillotine dampers and greatest with louver dampers.
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Louver dampers are available in parallel or opposed blade configurations for improved flow control where sealing efficiency is important but improved control is also desired.
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100 SERIES - LOUVER
200 SERIES - GUILLOTINE
300 SERIES - BUTTERFLY
400 SERIES - DIVERTER
500 SERIES - POPPET VALVE
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For additional information please contact Thermoflo Equipment Co. or visit the web-site linked on logo:
For additional information please contact Thermoflo Equipment Co. or visit the web-site linked on logo: