Chemical lbs/day
Solution gal/day
Pump Sizing (gph) (2)
Pump Sizing (gpd) (2)
(1)
Continuous Feed
25% of time
50% of time
Continuous Feed
25% of time
50% of time
(3)
(3)
0.1
2.4
0.1
0.4
0.2
2.4
9.6
4.8
0.2
4.8
0.2
0.8
0.4
4.8
19.2
9.6
0.3
7.1
0.3
1.2
0.6
7.2
28.8
14.4
0.4
9.5
0.4
1.6
0.8
9.6
38.4
19.2
0.5
11.9
0.5
2.0
1.0
12.0
48.0
24.0
0.6
14.3
0.6
2.4
1.2
14.4
57.6
28.8
0.7
16.7
0.7
2.8
1.4
16.8
67.1
33.6
0.8
19.0
0.8
3.2
1.6
19.2
76.7
38.4
0.9
21.4
0.9
3.6
1.8
21.6
86.3
43.2
1
23.8
1.0
4.0
2.0
24.0
95.9
48.0
2
47.6
2.0
7.9
4.0
48.0
191.8
95.9
3
71.4
3.0
11.9
6.0
71.9
287.8
143.9
4
95.2
4.0
15.9
7.9
95.9
383.7
191.8
5
119.0
5.0
19.8
9.9
119.9
479.6
239.8
Notes 1 Calculate Annual Chemical consumption, then divide by operating days/year
2 Pump rates are shown at 100% of capacity
3 Continuous feedrates shown are based on 24 hour day
4 Where excessively high rates are shown, consider supply manifold
5 Both gph and gpd are shown for convenience
Specific Formulas
Solution Gal/Day ((lbs. of chemical/day)/.005)/8.4
Continuous feed Solution gal/day/Operating hours per day
25% of time Continuous feed x 4
50% of time Continuous feed x 2
 
United Supply Service, Inc.
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