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APPENDIX A (cont)
Unit Pressure Drop Curves, 30RAP010-060
400
350
1
250
300
(
Kpa)
200
Pressure Drop
(
3
2
100
150
Water
6
5
4
50
6
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Liters/Second
70
60
7
9
10
8
50
(
Kpa)
11 & 12
30
40
r
Pressure Drop
(
20
Wate
r
10
0
00.511.522.533.544.55
Liters/Second
NOTES:
1. Use the following formula to convert feet of water to psig:
ft of water (.4335) = psig
2. Use the following formula to convert psig to feet of water:
psig (2.306) = ft of water
LEGEND
1 — 30RAP010 4 — 30RAP020 7 — 30RAP035 10 — 30RAP050
2 — 30RAP015 5 — 30RAP025 8 — 30RAP040 11 — 30RAP055
3 — 30RAP018 6 — 30RAP030 9 — 30RAP045 12 — 30RAP060
UNITS WITH DUAL PUMP HYDRONIC PACKAGE (SI)