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UF-1 and UFB-1 Valves Training Manual
© 1999-2005, IMI Cornelius, Inc. - 7 -
Note: Always adjust water within its range.
1.4 Calculating Flow Rates
The most frequent ratio is 5:1. The charts above list the breakdown for many ratios and
flow rates. It is useful to be able to calculate flow rates when a chart is not available.
An example of calculating the water and syrup flow rates given the finished drink flow rate
and the water to syrup ratio:
Given:
1. Finished Drink Flow Rate = 3.0 oz./sec.
2. Water to Syrup Ratio = 5 to 1
To calculate Water Flow Rate:
1. Calculate the Total Portions = Water Portion + Syrup Portion
(example 5 + 1 = 6)
2. Calculate Syrup Flow Rate = Finished Drink Flow Rate ÷ Total Portions
(example 3.0 oz./sec ÷ 6 = .5 oz./sec)
3. Calculate Water Flow Rate = Finished Drink Flow Rate – Syrup Flow Rate
(example 3.0 oz./sec - .5 oz./sec = 2.5 oz./sec)
Prove the calculation is correct by adding water flow rate of 2.5 oz./sec + syrup
flow rate of .5 oz./sec = finished drink flow rate of 3.0 oz./sec.
Water flowing at 2.5 oz./sec and syrup flowing at .5 oz./sec achieves a ratio of 5:1
and 3.0 oz./sec. flow rate.
Water Flow Rates At Selected Ratios
Water To Syrup
Ratio
Water at 1.5 oz./
sec. Total Flow
Water at 3.0 oz./
sec. Total Flow
Water at 3.75 oz./
sec. Total Flow
Water at 4.5 oz./
sec. Total Flow
2 to 1 1.00 oz./sec. 2.00 oz./sec. 2.50 oz./sec. 3.00 oz./sec.
3 to 1 1.13 oz./sec. 2.25 oz./sec. 2.81 oz./sec. 3.38 oz./sec.
4 to 1 1.20 oz./sec. 2.40 oz./sec. 3.00 oz./sec. 3.60 oz./sec.
5 to 1 1.25 oz./sec. 2.50 oz./sec. 3.13 oz./sec. 3.75 oz./sec.
6 to 1 1.29 oz./sec. 2.57 oz./sec. 3.21 oz./sec. 3.86 oz./sec.
7 to 1 1.31 oz./sec. 2.63 oz./sec. 3.28 oz./sec. 3.94 oz./sec.
SYSTEM DETAILS