
P a g e 2 6 • D R I - S T E E M D e s i g n G u i d e
D R I - S T E E M D e s i g n G u i d e • P a g e 2 7
Table 27-1:
Heat gain in °F and °C of duct area at 55 °F and 13 °C duct
temperature for MINI-BANK jacketed steam injection humidifiers
Duct air velocity
3" or 76 mm tube centers
Insulated Noninsulated
fpm m/s °F °C °F °C
500 2.5 1.87 1.04 3.63 2.01
750 3.8 1.66 0.92 3.32 1.84
1000 5.1 1.45 0.81 2.90 1.61
1250 6.4 1.12 0.62 2.22 1.23
1500 7.6 1.00 0.55 1.97 1.09
1750 8.9 0.90 0.50 1.78 0.99
2000 10.2 0.82 0.46 1.64 0.91
2250 11.4 0.75 0.42 1.49 0.83
2500 12.7 0.68 0.38 1.34 0.74
2750 14.0 0.62 0.34 1.22 0.68
3000 15.2 0.57 0.31 1.12 0.62
Heat gain in °F and °C
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