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TDH CALCULATOR
Pool Information
Flow Rate: 71.55 GPM
Total Piping Lengths:
Suction Lift: 2 Ft
Inlet Side: 60 Ft
Discharge Side: 60 Ft
Maximum Pipe Velocity Allowed:
Piping Sizes:
(consult your local code)
Inlet Piping: 2.052 In
Branch Piping: 8 Ft/Sec
Discharge Piping: 2.052 In
Inlet Piping: 8 Ft/Sec
Discharge Piping: 8 FUSec
Piping Head Loss at 71.55Gal/Min:
(not incuding fittings or valves)
Inlet Piping: 4.68 Ft
Discharge Piping: 4.68 Ft
For advanced pools that contain multiple suctions, this program may be
inaccurate. Consult a hydraulics engineer. This program is for single pump
sytems with a single body of water.
Results: Your TDH Calculation
Suggested Minimum Pipe Sizes:
Flow Rate: 71.55 Gal/Min
Branch Piping: 2.0 In
Your Head Loss: 48.74 Ft
Inlet Piping: 2.0 In
Maximum Flow Rate
Discharge Piping: 2.0 In
at Maximum RPM: 71.56 GOMM
Ensure the drain cover max flow rating is not
exceeded.
Head Loss at 48.74 Ft
Maximum Flow Rate:
100
80
1
60
0
'a
0
= 40
20
0
System Head Pressure Curve
V1_
I
I
I
i
0.75hp, E+, Full Rated, High Speed (012530)
-'` Clean System
Desired Operation Point f
0 25 50 75
Volumetric Flow Rate (GPM)
100
https://www.pentairpartners.com/marketing/tdh/index.aspx
3/12/2019
' Pentair TDH Calculator
Page 2 of 2
Selected Components
Components
Head Loss at
Name Quantity
71.55GaIlMin
320 chlorinator 2 1
1.32
2" x 2.5" 3 way valve 2
1.70
2" x 2.5" 2 way valve 2
1.40
Main Drain 1
1.03
Clean and Clear 1
3.26
1/2 inch Return 4
13.28
Skimmer 2" 1
2.23
Piping
Inlet Discharge
Head Loss at
Name Quantity Quantity
71.55GaI1Min
90 degree elbow 12 12
10.68
Tee Through 1 2
0.94
Check Valve 0 1
1.54
Pumps
Name Quantity
0.75hp, E+, Full Rated, High Speed 1
(012530)
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are registered trademarks and/or trademarks of Pentair Water Pool and Spa, Inc. and/or its affiliated
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hqs://www.pentairpartners.com/marketing/tdh/index.aspx 1 3/12/2019