Main Menu Cooling Towers by the Book Cooling Tower Selection #1 – Option #1 Tonnage = GPM x ∆T x 500/15,000 Remember Conditions Are: 1200 USGPM flow 95ºF T(1) entering water temperature 85ºF T(2) leaving water temperature 80ºF T(wb) wet-bulb Tonnage = 1200 x 10 x 500/15,000 Tonnage = 400 tons
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