Roof Exhausters - Direct Drive - RD Series

  • Heavy duty galvanized blades.
  • Galvanized steel wind-band and rain-proof butterfly dampers that rotate easily on brass bushings.
  • TEFC, ball bearing motor is in the air stream, within the building, maximum ambient  temperature of 40ºC (104ºF).
  • Not recommended for dirty or dust laden applications.

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Sturdily constructed - ideal for industrial and commercial applications.

  MODEL # FAN
RPM
H.P. 0" S.P. 1/8" S.P. 1/4" S.P. 3/8" S.P. Min.
CFM
dBA @ 10Ft.
BLADE
DIAMETER
SINGLE
PHASE
THREE
PHASE
CFM BHP CFM BHP CFM BHP CFM BHP
24" RD24T10075C RD24T30075C* 1140 3/4 6549 0.74 6017 0.78 5527 0.83 - - 4700 73
RD24T10100B RD24T30100B* 1725 1 6761 0.89 6453 0.93 6128 1.00 5792 1.09 4700 81
RD24T10300B RD24T30300B* 1725 3 9909 2.57 9558 2.62 9207 2.68 8886 2.75 4700 84
30" -- RD30T30150C* 1140 1.5 11600 1.31 10925 1.40 10193 1.49 9127 1.59 7300 79
RD30T10500B RD30T30500B* 1725 5 17552 4.53 17106 4.66 16661 4.80 16215 4.94 7300 90
36" -- RD36T30200D* 860 2 16364 1.87 15172 1.99 13864 2.08 11597 2.15 10000 80
-- RD36T30500C* 1140 5 21692 4.35 20793 4.52 19893 4.69 18903 4.80 10000 88
42" -- RD42T30500C* 1140 5 23209 3.04 22619 3.29 21962 3.52 21019 3.70 14000 85
-- RD42T30750C* 1140 7.5 32476 7.70 31490 7.70 30518 7.76 29586 8.02 14000 88
48" -- RD48T30750D* 860 7.5 35654 5.93 33411 6.06 31857 6.34 30219 6.62 18000 89
-- RD48T30750C* 1140 7.5 32564 4.95 31677 5.35 30688 5.68 29636 5.99 18000 92
                             
For three phase motors, substitute “*” with “M” for 208-230/460 volt or “P” for 575 volt BHP does not include drive losses
dBA ratings shown are measured at 0” static pressure and should be used as a guideline only

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