2014 - 009 Pumps for Water Supply
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Transcript of 2014 - 009 Pumps for Water Supply
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Danilo V. Ravina NAMPAP - CEBU 1
REVIEW 2014 - 009
PUMPS FOR WATER SUPPLYPLUMBING FUNDAMENTALS
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Danilo V. Ravina NAMPAP - CEBU 2
What is a Pump?
Pump – is an equipment used to transfer fluid from a
region of low pressure to another region at same or
higher pressure. (PSME Code 1993)
Pump – A device or machine that compresses and/or
transports fluids usually by pressure or suction, or both;
may be used to remove water from a construction site orto convey water from one elevation to another. (Harris,
C.M.; Dictionary of Architecture and Construction, 1975)
In about 120 BC someone, probably the Greek mathematician Ctesibius ,
invented the first force pump. It had 2 cylinders with single acting pistons,
connected to a single beam so that they delivered an almost continuousstream of water.
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Danilo V. Ravina NAMPAP - CEBU 3
What are the different classifications
of pumps?
The different classifications of pumps are categorized as
follows:
1. As to Operating Principle
2. As to Casing Design3. As to Mounting
4. As to Connection with Driver
(Motor or Engine)
5. As to Construction Materials
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Danilo V. Ravina NAMPAP - CEBU 4
Classification of Pumps as to
Operating Principle:
1. Centrifugal Type
a. Radial Flow
b. Axial Flow
c. Mixed Flow
2. Positive Displacement
Type
a. Reciprocating Piston
b. Reciprocating Plunger
c. Rotary Bladesd. Rotary Roots
e. Screw Types
f. Gear
3. Turbine Type
a. Axial Flow
b. Mixed Flow
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Danilo V. Ravina NAMPAP - CEBU 5
Classification of Pumps as
to Casing Design:
1. Horizontal Split Case
2. Vertical Split Case3. Submerged
Classification of Pumps as
to Mounting:
1. Base Mounted
2. In – line Mounted
Horizontal Split Case
Vertical Split Case
Submerged
Base Mounted
In – line Mounted
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Danilo V. Ravina NAMPAP - CEBU 6
Classification of Pumps as toConnection with Driver:
1. Flexible Coupled
2. Case Coupled
3. Belt Driven
Classification of Pump as to
Construction Materials:
1. Cast Iron
2. Stainless Steel
3. Bronze
4. Concrete
5. Plastic
6. Fiberglass
Case Coupled
MOTORIMPELLER
PUMP
Belt Driven
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Danilo V. Ravina NAMPAP - CEBU 7
What are the Classifications of
Pumps?
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Danilo V. Ravina NAMPAP - CEBU 8
Pumps are generally referred to according to their
principle of action, manner of construction or
method of operation.
Centrifugal Pump – (Built by Osborne Reynolds, 1875) A vane orimpeller rotate inside a close-fitting case, draw in liquid at the center and,
by virtue of centrifugal force, throw liquid out through an opening in the
periphery of the case.
1. The higher the speed of rotation, the greater the volume that can bepumped or the greater the head that can be generated.
2. The recommended suction lift is 4.5 meters and should not exceed 6
meters. Therefore, if the well water depth is 6 meters or less, use
centrifugal pump
3. A centrifugal pump cannot operate unless the pump casing is full of
water. For the pump to begin developing a suction at the eye of thepump, the case will have to be filled with water or “primed”.
4. Care must be taken to ensure that air is not present in the casing and
whenever possible the suction should be of the positive or “flooded” type.
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Danilo V. Ravina NAMPAP - CEBU 9
Centrifugal Pump:
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Danilo V. Ravina NAMPAP - CEBU 10
What is a Submersible Pump?
Submersible
Pump – is basically acentrifugal pump
complete with electricmotors which are
positioned underwater
in a suitable bored
hole that delivers the
water to the surface.
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Danilo V. Ravina NAMPAP - CEBU 11
What are the important considerations for
accurate Submersible Pump selection?
Well Diameter – indicates the size ofthe pump to be installed.
Well Depth – indicates the Static WaterLevel , the vertical distance from the surface(Datum Line) to the water level when nowater is being pump.
Pumping Water Level – the verticaldistance from the Datum Line to the waterlevel when specified capacity is beingpumped. During the pumping test, PumpingWater Level is the depth of water when theamount of water withdrawn from the well &the amount of replenishment of water to thewell is equal.
Drawdown – the vertical distance or the
difference between the Pumping WaterLevel and the Static Water Level.
Head above Datum – indicates theTotal Discharge Head (Static plus Friction)between Datum line & point ofmeasurement.
Pump Capacity – volume rate of flowexpressed in cubic meters per hour or liters
per second to be produced by the pump.
Pump Setting – the nominal verticaldistance (in meters) from Datum to thedischarge pipe connection at the pump.
Water Composition – make-up of thewater to be pumped.
Type of Drive – the specification of theavailable power source (single phase or 3phase)
Allowable Motor Overload –percentage of rated motor main plate power(in kilowatts or horsepower) that will bepermitted to be used.
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Danilo V. Ravina NAMPAP - CEBU 12
W e l l D e
p t h
Discharge Pipe
Well Diameter
P u m p S e t t i n g
D r a w d o w n
Submersible Pump
Submersible Pump:
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Danilo V. Ravina NAMPAP - CEBU 13
Positive Displacement Pumps:
Reciprocating and Rotary
Reciprocating Pump – A pump which operates with a to and fromotion. The different types of Reciprocating Pump are:
1. Lift Pump – The simplest of the reciprocating pump and consists of apiston moving up and down in a cylinder or barrel.
A Lift Pump cannot be used to raise water above 7.50 to 8.50 meter atnormal atmospheric pressure (101 kPa) due to:
a. Loss of efficiency in the pump
b. Friction in the intake pipe
c. Impossible to obtain a perfect vacuum
2. Piston or Plunger Pump – A plunger is driven backwards &forwards, or up & down by a mechanical working head.
3. Deep – well Piston Pump – When water is more than 7.50 metersbelow the ground, it is virtually necessary to place the pump in or near thewater in the well and pump from there. Water is forced up the drop pipeand out into the delivery pipe.
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Danilo V. Ravina NAMPAP - CEBU 14
A LIFT PUMP / HAND PUMP
START OF UPSTROKE
FOLLOWING
DOWNSTROKE
NEXT UPSTROKE
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Danilo V. Ravina NAMPAP - CEBU 15
The Working Cycle of a Piston Pump
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Danilo V. Ravina NAMPAP - CEBU 16
A Deep Well Piston Pump
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Danilo V. Ravina NAMPAP - CEBU 17
What is a Diaphragm Pump?
A Diaphragm Pump is a displacement pump in which a flexible diaphragm
replaces the piston in other displacement pumps. The diaphragm is of
leather or heavy – gauge rubber. The upward movement of the diaphragm
has the same effect as the upward movement of the piston; the outlet valve
closes & the inlet valve opens & admits water. The downward movement of
the diaphragm causes the inlet valve to close & water is forced into thedischarge pipe.
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Danilo V. Ravina NAMPAP - CEBU 18
What is a Rotary Pump?
A Rotary Pump is used primarily as a source of fluid power in hydraulicsystem. It continuously scoops the liquid from the pump chamber.
It is classified with respect to the impelling element as:
1. Gear Type
2. Vane Type3. Piston Type
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Danilo V. Ravina NAMPAP - CEBU 19
What is a Jet Pump?
A Jet Pump is a pumpconsisting revolving impeller in the
pump housing which forces water
down a pressure line to an ejector
assembly below water level. This
ejector consists of a nozzle whichdischarges the water into a
constricted throat. This throat
leads from a suction pipe. This
arrangement permits energy of a
high pressure fluid to be converted
into a high velocity fluid.
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Danilo V. Ravina NAMPAP - CEBU 20
What is a Hydraulic Ram or Ram
Pump?
Hydraulic Ram uses the energyof falling water to raise a smaller
quantity of water to greater
heights. It is a pump in which the
power generated from flowing in
an enclosed pipe is used to raisepart of the water to a height above
that from which the flow began.
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Danilo V. Ravina NAMPAP - CEBU 21
What is the Pump Performance
Curve?
The characteristic curve of apump describes the factorsthat affect its performance.They are usually expressedgraphically with the rate ofdischarge (Q) as abscissa &other factors plotted asordinates, such as the Head(H), & the Net PositiveSuction Head (NPSH). Allpump manufacturers supplyperformance characteristic
curves for their pumps whichindicate how the pumpcapacity varies withdischarge pressure orsuction pressure.
Sample of Pump Performance Curve
Source: IBARRA
PUMPS
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Danilo V. Ravina NAMPAP - CEBU 22
Source: GRUNDFOS
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Danilo V. Ravina NAMPAP - CEBU 23
Duty Point & Pump Efficiency
Source: GRUNDFOS
f
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Danilo V. Ravina NAMPAP - CEBU 24
How do we select the type of pump to be
used?PUMP
CAPACITYDEPTH OF WELL
0 to 8.00 m 8.00 to18.00 m
18.00 to27.00 m
27.00 to46.00 m
46.00 m andover
1,136 to
2,271 LPH(300 – 600 GPH)
Submersible
Pump
Jet Pump
Piston Pump
Submersible
Pump
Jet Pump
Deep Well
Reciprocating
Pump
Submersible
Pump
Jet Pump
Deep Well
Reciprocating
Pump
Jet Pump
Deep Well
Reciprocating
Pump
Submersible
Pump
Jet Pump
Deep Well
Reciprocating
Pump
Submersible
Pump
2,271 to
4,542 LPH(600 – 1200 GPH)
Submersible
Pump
Jet Pump
Plunger Pump
Submersible
Pump
Jet Pump
Submersible
Pump
Jet Pump
Submersible
Pump
Jet Pump
Submersible
Pump
Jet Pump
Over 4,542
LPH(over 1200 GPH)
Submersible
Pump
Jet Pump
Plunger Pump
Submersible
Pump
Jet Pump
Submersible
Pump
Jet Pump
Submersible
Pump
Submersible
Pump
Pump Selection “Rule of Thumb”: 1. If the well water depth is 6 meters or less, use Centrifugal Pump.
2. If the well water depth is 6 to 20 meters, use Jet Pump.
3. If the well water depth is more than 20 meters, use Submersible Pump or
Vertical Line Shaft Turbine Pumps.
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STANDARD PUMP
PRODUCTPRESENTATION
•EBARA PUMPS for DomesticWater Supply
Danilo V. Ravina NAMPAP - CEBU 25
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EBARA PUMPS
PUMPS
for
FRESH WATER SUPPLY
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Pump TypePumps for Clean Water
BMS/ BMSP
For Water Pit or Shallow Well application
IDROGO
For Water Pit or Shallow Well application
Back… Skip…
Submersible Pumps for Shallow Well
Main…
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BMS , BMSPSubmersible Pumps for Water Pit
Back…
USES:
•City or Domestic Water Supply
•Irrigation
•Fountain
Next…
BMS
BMSP
Model BMSP BMS
Capacity, m3/min 0.06 – 0.8 0.5 – 3.0
m3/hr 3.6 – 48 30 – 180
Usgpm 15.8 – 211 132 – 792
Total Head, m up to 140 up to 135
Power, kws 0.4 – 15 3.7 – 45
Speed, rpm 3600 3600
Dia Size, mm 32 – 65 80 – 125
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IDROGOSubmersible Shallow Well Pump
USES:
• Domestic Water Supply
• Irrigation
Back… Next…
GENERAL SPECIFICATIONS Capacity: 0.02 – 0.12 m3/min
1.2 – 7.2 m3/hr
5.28 – 31.7 USgpm
Total Head: 14 to 83 mtrs Power: 0.6 – 1.5 kws
Speed: 3600 rpm
Dia Size: 5 ins
Max immersion: 20 mts
Installation: Vertical or horizontal
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Pump TypePumps for Clean Water
Surface Pumps for Fresh Water Supply
Non Self Priming (Cast Iron Models)
End Suction: FSA, MD, CNA/CSA, CM, CDA
In-line: LPD
Non Self Priming (Stainless Steel Models)
End Suction: CDX Series
3 & 3L Series
Vertical Multistage: EVM, MULTIGO
Self Priming (Cast Iron)
End Suction: FQ
AG Series
Back… Skip…Main…
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FSA, MDEnd Suction (Cast Iron)
Back…
USES:
• City or Domestic Water Supply
• Pressure Booster
• Irrigation
• Hot and cold water circulation
• Drainage
• Industrial Use
Next…
FSA
MD
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Model FSA MD
Capacity, m3/min 0.065 – 12 0.10 – 2.4
m3/hr 3.9 – 720 6 – 144
USgpm 17 – 3165 26.4 - 633.6
Total Head, m up to 85 9.5 to 65.5
Power, kws 0.4 – 90 1.1 to 22
Speed, *rpm 1800, 3600 3450
Suction Size, mm 50 – 200 80
Discharge, mm40, 50, 65, 80, 100,
125, 15032, 40, 50, 65
FSA, MDGeneral Specifications
Back…
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CNA, CSAHorizontal Split Case
USES:
• City or Domestic Water Supply• Pressure Booster
• Irrigation
• Hot and cold water circulation
• Drainage
• Industrial Use Next… Back…
Model CNA CSA
Capacity, m3/min 0.9 – 21 0.45 – 3.2
m3/hr 54 – 1260 27 – 192
Usgpm 238 – 5545 119 – 845
Total Head, m up to 122 up to 85
Power, kws 7.5 – 260 3.7 – 55
Speed, rpm 1800 1800
Suction Size, mm 12 – 300 100 – 125
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CM Series, CDAEnd Suction (Cast Iron)
USES:
• General Water Supply
• Pressure Booster
• Irrigation
• Industrial
CDA
Twin Impeller
CM Series
Next… Back…
Model CM CDA
Capacity, m3/min 0.05 – 1.1 0.05 – 0.25m3/hr 1.2 – 66 1.2 – 15
Usgpm 5.28 – 290 5.28 – 66
Total Head, m 5.5 – 57.5 13.5 – 75.5
Power, kws0.37 – 1.5 (3 ph)
0.37 – 4.0 (1 ph)
0.55 – 4.0 (3 ph)
0.55 – 2.2 (1 ph)
Speed, rpm 3600 3600
Suction Size,mm
25.4, 31.75, 50.8, 63.5
(1, 1.25, 2, 2.5 ins)
31.75, 38.1
(1.25, 1.5ins)
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LPD In Line
USES:
• City or Domestic Water Supply
• Pressure Booster
• Industrial Use
Next… Back…
GENERAL SPECIFICATIONS
Capacity, m3/min 0.04 – 1.4
m3/hr 2.4 – 84
USgpm 10.5 – 370
Total Head, m up to 53
Power, kws 0.05 – 11Speed, rpm 3600
Suction Size, mm 25 – 80
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CDX, 3 & 3L SeriesEnd Suction (Stainless Steel)
USES:
• Water Supply
• Pressure Booster • Heating systems
• Industrial Use
Next…
3M3S
3P 3PF
Versions available:
3M - monobloc w/extended motor shaft
3S – monobloc w/std motor & flexible coupling
3P – 0n basement w/std motor & flex coupling
3PF – bareshaft pump
Back…
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CDX, 3 & 3L SeriesGeneral Specifications
Model CDX 3 Series 3L Series
Capacity, m3/min 0.05 – 0.23 0.1 – 1.43 0.06 – 1.44
m3/hr 1.2 – 13.8 6.0 – 86 3.6 – 86.4
USgpm 5.28 – 60.72 26.4 – 378.4 15.84 – 380.16
Total Head, m 20 - 81 9 – 82 11 – 86
Power, kws
0.55 – 4.0 (3 ph)
0.55 – 1.5 (1 ph) 2.2 – 15 3.0 – 15Speed, rpm 3600 3600 3600
Suction Size, mm25.4, 31.75, 38.1
(1, 1.25, 1.5 ins)50, 65 50, 65
Back…
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EVM, MULTIGOVertical Multistage (Stainless Steel)
USES:
• General Water Supply
• Pressure Booster
• Irrigation
• Industrial Use
• Other uses for EVM:
- hot & cold water circulation
- boiler feed pumping
- firewater
EVM
MULTIGO
Next… Back…
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EVM, MULTIGOGeneral Specifications
Model EVM Multigo
Capacity, m3/min 0.25 – 1.2 0.02 – 0.12
m3/hr 1.5 – 72.0 1.2 – 7.2
Usgpm 6.6 – 316.8 5.28 – 31.68
Total Head, m 11 – 246 14.0 – 83.4
Power, kws 0.37 – 22 0.6 – 1,5
Speed, rpm 3600 3600
Suction Size, mm25, 32, 40, 50,
1in ,1.25in, 1.5in1.25in
Back…
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FQSelf Priming Pumps
USES:
• Domestic Water Supply
• Drainage
• Sprinklers
• Irrigation
Next… Back…
GENERAL SPECIFICATIONS
Capacity, m3/min 0.09 – 1.2
m3/hr 5.4 – 72
USgpm 24 – 317
Total Head, m 15 to 48
Power, kws 1.5 – 7.5
Speed, rpm 3600
Suction Size, mm 40, 50, 65 & 80
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AG SeriesSelf Priming
Next…
USES:
• Domestic Water Supply
• Pressure boosting
• Gardens
• Car wash
• Tanks & pools emptying
• Small Irrigation
AGE - AGF
AGA- AGC
Power Range:
AGA – AGC: Single Phase 0.6 – 2 kw
Three Phase 0.6 – 3 kw
AGE – AGF: Single Phase 0.5 – 0.8 kw
Three Phase 0.5 – 0.8 kw
Back…
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PUMP TYPEPumps for Clean Water
Stainless Steel Models
4BHS, 6BHS
4BPS
Back… Skip…
Submersible Pumps for Underground Water
Cast Iron Models
• BHS
Main…
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BHSCast Iron Deep Well Pumps
Back…
USES:
• City or Domestic Water Supply
• Industrial Use
• Irrigation
• Stock Breeding
• Booster
• Dry Pit Application (w/Shroud)
Next…
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BHS (Deep Well)General Specifications
60 Hz* 3600 rpm *Also available in 50 Hz
Well Size 4” 6” 8” 10” 12”
Capacity,m3/min 0.03 – 0.2 0.03 – 1.33 0.43 – 3.33 1 – 5.17 3 - 8
m3/hr 2 – 11.5 2 - 80 26 - 200 60 - 310 180 - 480
US gpm 8.8 - 50 8.8 - 352 114 - 880 264 - 1365 792 - 2112
Total Head, m 15 - 212 15 - 280 15 - 285 15 - 310 15 - 260
Stages, 6 - 30 2 - 20 1 - 20 1 - 8 1 - 8
Power, hp 1 - 5 1.5 - 30 12.5 - 100 20 - 200 65 - 350
Back…
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* Also available in
4BHS & 6BHS
USES:
• City, building or home supply
• Industrial water
• Booster
• Irrigation
• Stockbreeding
• Fountains
Back…
4BPS*Stainless Steel Deep Well Pumps
Next…
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4BPS, 4BHS, 6BHSGeneral Specifications
Back…
Model 4BPS 4BHS 6BHS
Capacity, m3/min 0.008 to 0.0917 0.015 – 0.35 0.083 – 0.60
m3/hr 0.5 to 5.5 0.9 - 21 5 - 36
USgpm 2.2 to 24.2 4 – 92.4 22 - 158
Total Head, m 20 to 381 10 - 277 18 -330
Power, kws 0.75 to 4.5 0.55 – 5.5 1.5 - 22
Speed, rpm 3600 3420 3420
Diameter, mm 97 101.6 (4”)101.6 (4”) & 152.4
(6”)
Maximum Sand Content: 50 ppm
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EBARA PUMPS
Pumping LIFE Into Our Systems
Main…
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Danilo V. Ravina NAMPAP - CEBU 48
END OF PRESENTATION