Bosch RL Series - Water-Side Pressure Drop Table

Specification Tables
19.2 Water-Side Pressure Drop Table
Table 14 Water-Side Pressure Drop Table
Model
Water Flow
Rate (GPM)
Water-Side Pressure Drop
without
Internal VaQVe (PSI)
Water-Side Pressure Drop
with Internal VaQVe (PSI)
RL007
1.0 0.6 0.9
2.0 2.0 3.2
3.0 4.1 6.6
RL009
1.0 0.6 0.8
2.0 2.0 2.8
3.0 4.1 5.8
RL012
1.5 1.2 1.7
2.5 3.0 4.1
3.5 5.4 7.6
RL015
2.0 2.0 2.7
3.0 4.1 5.6
4.0 6.8 9.4
RL018
2.5 1.6 3.0
4.0 3.7 7.2
5.0 5.4 10.9
RL024
3.0 1.4 1.7
4.0 2.3 2.8
6.0 4.7 5.8
RL030
4.0 1.2 1.6
6.0 2.5 3.4
8.0 4.2 5.7
RL036
4.5 1.5 2.3
6.0 2.5 3.9
9.0 5.2 8.2
RL042
5.0 1.8 2.8
8.0 4.2 6.5
11.0 7.3 11.7
RL048
6.0 1.5 2.7
8.0 2.5 4.7
12.0 5.2 9.9
RL060
7.5 1.4 2.4
10.0 2.3 4.1
15.0 4.7 8.7
RL070
9.0 1.9 3.3
12.0 3.2 5.6
18.0 6.6 12.0
Notes:
All values are based upon pure water at 70° F.
PD (psi) = [ (Wtr Flow (gpm)^1.8) * k const ] / 2.31
PD (psi) = (Wtr Flow (gpm) / CV)^2 * Specific Gravity
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RL Series Heat Pumps — 8733842393 (2024/05)