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TYPICAL SUGGESTIVE SCHEMATIC DIAGRAM FOR POTABLE WATER SYSTEM
I II III IV
Flow 1.11 0.22 m3/hr
Pres. 3 3 kg/cm2
TDS 900 420 100 100 mg/liter
I II III IV
Flow 0.89 1.78 m3/hr
Pres. 5.35 5.23 kg/cm2
TDS 5 5 5 5 mg/liter
Calculation
Pres Flow
Potable Water System Operating Pressure 5.2 kg/cm2 Max Operating Pressure Range 52 1.85
Potable Water System Operating Pressure 5 kg/cm2 Nor 50 3.23
Potable Water System Operating Pressure 4 kg/cm2 Min 40 8.09
DM Water Quality TDS 5 mg/liter As per DM Water Quality
Throat Pressure (Point 2) 2.8 kg/cm2 Assumed
Filtered Water Pressure (Point 3) 3 kg/cm2 Assumed
Filtered Water Quality TDS 900 mg/liter Max Due to seasonal variationFiltered Water Quality TDS 100 mg/liter Min
Potable Water Quality TDS 500 mg/liter Max As per WHO recommendation
Potable Water Quality TDS 50 mg/liter Min
CASEUnitDesc.
Desc.CASE
Unit
HYDRO-
PHORE
1
2
3PT
DM WATER STORAGE TANK
POTABLE WATER
PUMP
NaOCl Dosing
Static Mixer
FT
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Case I
Point 1
Flow Rate 0.89 m3/hr
Pipe Size (OD) 60.3 mm
Pipe Thickness 2.77 mm
Pipe Size (ID) 54.8 mm
Velocity Through Pipe 0.11 m/sec
Velocity at Throat
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TDS levels in drinking watershould prefrably be monitored specially when a reve
Source:
www.TDS in drinking water.
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rsed osmossis is used for raw water purification.A minimum TDS of 100mg/liter(100 ppm, parts per millio
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n) should be set . A maximum of 500mg/Liter(500 ppm) is the upper limit.Water with a TDS above 500 p
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m will have a salty taste. Studies by theWorld Health Organizationalso showed that water dranked by ra
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ts, dogs and cats with solids below 100 ppm had bad effects on the animal's stomach.
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Pump FlowHead
Developed
9 36.5
8 40.5
7 43.25
6 45.75
5 47
4 48.75
3 50.8
2 52.1
1 53.25
0 55
1 53.4004
y = -0.0009x
5
+ 0.018x
4
- 0.1281x
3
+ 0.3631x
2
- 1.8077x + 54.956R = 0.999
2
5.20274
y = -0.0009x5+ 0.018x4- 0.1281x
54.956
R = 0.999
0
10
20
30
40
50
60
0 2 4 6
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Head
DevelopedPump Flow
36.5 9
40.5 8
43.25 745.75 6
47 5
48.75 4
50.8 3
52.1 2
53.25 1
40.5 Head
7.93396 Flow
y = -7E-07x5+ 0.0002x
4- 0.0195x
3+ 0.961x
2- 22.832x + 221.27
R = 0.9984
y = 8E-05x3- 0.0282x2+ 1.5632x - 14.435
R = 0.998
0
1
2
3
4
5
6
7
8
9
10
0 10 20 30 40 50
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+ 0.3631x2- 1.8077x +
8 10
Series1
Poly. (Series1)
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60
Series1
Poly. (Series1)
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TYPICAL SUGGESTIVE SCHEMATIC DIAGRAM FOR POTABLE WATER SYSTEM
I II III IV V VI
Flow 1.11 0.22 1.11 0.22 0.14 0.03 m
Pres. 3 3 3 3 3 3 k
TDS 900 420 900 420 900 420 m
I II III IV V VI
Flow 0.89 1.78 0.89 1.78 0.11 0.22 m3/hr
Pres. 5.2 5.2 4 4 5.2 4 kg/cm2
TDS 5 5 5 5 5 5 mg/liter
CalculationPres Flow
Potable Water System Operating Pressure 5.2 kg/cm2 Max Operating Pressure Range 52 1.85
Potable Water System Operating Pressure 5 kg/cm2 Nor 50 3.23
Potable Water System Operating Pressure 4 kg/cm2 Min 40 8.09
DM Water Quality TDS 5 mg/liter As per DM Water Quality
Fluid Densit 1000 kg/m3
Ejector Inlet Elevation 0 m
Ejector Thorat Elevation 0 m
Throat Pressure (Point 2) 2.8 kg/cm2 Assumed
Filtered Water Pressure (Point 3) 3 kg/cm2 Assumed
Filtered Water Quality TDS 900 mg/liter Max Due to seasonal variation
Filtered Water Quality TDS 420 mg/liter Min
Potable Water Quality TDS 500 mg/liter Max As per WHO recommendation
Potable Water Quality TDS 50 mg/liter Min
Desc.
Desc. UnitCASE
CASE
HYDRO-
PHORE
1
2
3 PT
DM WATER STORAGE TANK
POTABLE WATER
PUMP
NaOCl Dosing
Static Mixer
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Throat Diameter Selection:
Case I Case II Case III Case IV
Point 1 Point 1 Point 1 Point 1
Inlet Pressure 5.2 kg/cm2 Inlet Pressure 5.2 kg/cm
2 Inlet Pressure 4 kg/cm2 Inlet Pressure
Throat Pressure 2.8 kg/cm2 Throat Pressure 2.8 kg/cm
2 Throat Pressure 2.8 kg/cm2 Throat Pressure
Flow Rate 0.89 m3/hr Flow Rate 1.78 m
3/hr Flow Rate 0.89 m
3/hr Flow Rate
Pipe Size (OD) 60.3 mm Pipe Size (OD) 60.3 mm Pipe Size (OD) 60.3 mm Pipe Size (OD)
Pipe Thickness 2.77 mm Pipe Thickness 2.77 mm Pipe Thickness 2.77 mm Pipe Thickness
Pipe Size (ID) 54.8 mm Pipe Size (ID) 54.8 mm Pipe Size (ID) 54.8 mm Pipe Size (ID)
Velocity Through Pipe 0.11 m/sec Velocity Through Pipe 0.21 m/sec Velocity Through Pipe 0.11 m/sec Velocity Through Pipe
Velocity at Throat 0.13 m/sec Velocity at Throat 0.22 m/sec Velocity at Throat 0.12 m/sec Velocity at Throat
Thorat Diameter 50.1 mm Thorat Diameter 53.4 mm Thorat Diameter 52.1 mm Thorat Diameter
Ejector Inlet Diameter : 54.8 mm
Thorat Diameter Selected : 15 mm
Flow Rate 0.89 m3/hr Flow Rate 1.78 m
3/hr Flow Rate 0.89 m
3/hr Flow Rate
Velocity at Inlet 0.11 m/sec Velocity at Inlet 0.21 m/sec Velocity at Inlet 0.11 m/sec Velocity at Inlet
Velocity at Throat 1.41 m/sec Velocity at Throat 2.8 m/sec Velocity at Throat 1.41 m/sec Velocity at Throat
Inlet Pressure 5.2 kg/cm2 Inlet Pressure 5.2 kg/cm
2 Inlet Pressure 4 kg/cm2 Inlet Pressure
Pressure at Throat -976 kg/cm2 Pressure at Throat #### kg/cm
2 Pressure at Throat -978 kg/cm2 Pressure at Throat
Thorat Diameter Selection is OK Thorat Diameter Selection is OK Thorat Diameter Selection is OK Thorat Dia
Differential Pressure 979 kg/cm2
Differential Pressure 3904 kg/cm2
Differential Pressure 981 kg/cm2
Differential PressureCorresponding Flow 1.11 m
3/hr Corresponding Flow 0.22 m
3/hr Corresponding Flow 1.11 m
3/hr Corresponding Flow
Considering Design Differential Pressure and Corresponding Flow as
Differential Pressure : 0.24 kg/cm2
Corresponding Flow : 1.11 m3/hr
Acutal Condition for Filtered Water Line
Differential Pressure 979 kg/cm2 Differential Pressure 3904 kg/cm
2 Differential Pressure 981 kg/cm2 Differential Pressure
Corresponding Flow 70.9 m3/hr Corresponding Flow 142 m
3/hr Corresponding Flow 70.9 m
3/hr Corresponding Flow
Acutal Flow Condition
DM Water Flow 0.89 m3/hr DM Water Flow 1.78 m
3/hr DM Water Flow 0.89 m
3/hr DM Water Flow
DM Water TDS 5 mg/liter DM Water TDS 5 mg/liter DM Water TDS 5 mg/liter DM Water TDS
Filter Water Flow 70.9 m3/hr Filter Water Flow 142 m
3/hr Filter Water Flow 70.9 m
3/hr Filter Water Flow
TDS 900 mg/liter TDS 420 mg/liter TDS 900 mg/liter TDS
Total Flow Rate 71.8 m3/hr Total Flow Rate 143 m
3/hr Total Flow Rate 71.8 m
3/hr Total Flow Rate
TDS of Mixture 889 mg/liter TDS of Mixture 415 mg/liter TDS of Mixture 889 mg/liter TDS of Mixture
Check Potable Water Quality Potable Water Quality is OK Check Potable Water Quality Potable