Catalog no201: Buffalo Niagara conoidal fans . No. 19 Niagara Conoidal Fan and 18 x 12 Low Pressure Buffalo Engine NIAGARA CONOIDAL (TYPE N) FANS The strongest and most efficient commercial fan on the market todayfor heating, ventilating, dryiiig and mechanieal draft work is unquestionablythe Niagara Conoidal Type N niultiblade fan. The proof of this state-ment has been afforded repeatedly by guarantees inade and tests performedon actual installations where Niagara Conoidal fans were able to do the samework with less power and with less noise than other makes. The best proofof superior strengt
Catalog no201: Buffalo Niagara conoidal fans . No. 19 Niagara Conoidal Fan and 18 x 12 Low Pressure Buffalo Engine NIAGARA CONOIDAL (TYPE N) FANS The strongest and most efficient commercial fan on the market todayfor heating, ventilating, dryiiig and mechanieal draft work is unquestionablythe Niagara Conoidal Type N niultiblade fan. The proof of this state-ment has been afforded repeatedly by guarantees inade and tests performedon actual installations where Niagara Conoidal fans were able to do the samework with less power and with less noise than other makes. The best proofof superior strength is that aside from the obviously greater rigidity of de-sign, Niagara Conoidal fans are now operating continuously and successfully. where they have replaeed other multiblade fans with narrow blades and weakbracing, which have gone to pieces in service. The Niagara Conoidal fan derives its name from the prevalence ofeonical shapes and surfaces in its design. There is a cone inlet in the hous-ing, the individual blades are sections of a eonical surface and both the innerand the outer edges of the blades instead of being parallel to the shaft formfrustums of cones. The efficiency of any fan depends to a large extent on the correct propor-tioning of the various parts, especially diameter and width of blast-wheel^size and position of outlet opening, size of inlet and proper design of fans have shorter blades than the older type of steel plate fans, andthe static pressure due to the wheel, which depends on the radial depth of BUFFALO FORGE COMPANY the blade, is small relative to the velocity pressure at the tip of the wheel. Toconvert this velocity pressure into static head greater dependence must bep
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectventila, bookyear1915
