curs 13 b anexa (turatie variabila)
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Turatie VariabilaTRANSCRIPT
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7/21/2019 Curs 13 B ANEXA (Turatie Variabila)
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Adaptat dupa ITT FLYGT
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7/21/2019 Curs 13 B ANEXA (Turatie Variabila)
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n = constant
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7/21/2019 Curs 13 B ANEXA (Turatie Variabila)
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pressure
[bar]
waterconsumption
[l/s]
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7/21/2019 Curs 13 B ANEXA (Turatie Variabila)
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Selection of speedcontrolled pumps controlling
on constant pressure oralong a plant curve
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7/21/2019 Curs 13 B ANEXA (Turatie Variabila)
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All Components - one unitFrequency inverter totally enclosed IP5
!ontrol by microprocessor incl" #utomatic switc$ over
Pressure transmitter or dufferential pressure
transmitter
%loc&pumps
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„ HIGH - LIGHTS“
Increase of output in overspeed range byfull use of motor power
Pump duty ad'ustable e(actly acc" )odemand e"g" to follow t$e system curve"
S$ut down of pump during *eroconsumption
+nergy saving up to ,-. at partial load"
pump wit$ constant speedpump wit$ variable speed
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speedad'ustment - 0--.wit$out control function
1actuator2
control on constant flow atvaraible pressure
control acc" to unit curvecontrol on constant pressure
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control system control on constant pressure
main application3watersupply4 irrigation
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control system control acc" )o unit curve
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main application3filtersystems in water treatment andprocessing plants
control system control on constant flow
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Selection of speedcontrolled pumps controlling
on constant flow
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ater supplyFully automatically operating speed controlled boosterunits comprising ma(" pumps for building services"
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Independent *one control#utomatic 6ead/6ag#utomatic friction loss compensation!onstant pressure#utomatic pump s$ut off at *ero demand
7ultistory %uilding
ater Supply
8ydrovar %ooster 9one :
8ydrovar %ooster 9one ;
7ain line pressure 9one 0
ater 7ain
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!ompleteFormulation
P6! controller wit$ one ;- m# signal per pumpSetting based on formulation ratios
8ydrovar Pumps seton #ctuator
6iquid !omponents
Formulation Systems
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6andscape and )urf
Irrigation Irrigation 8eads
9one !ontrol
9one !ontrol
9one !ontrol
9one !ontrol
7ain Supply Pump
8ydrovar pumps provideindependent *one controlwit$ constant pressure
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Spray as$ Systems
8ydrovar Pump
Press"
)ransducer
Filter !atc$ tray and return
<o**les
7aintains constant pressure or constant flow at eac$ no**le#utomatic s$ut off at *ero demand
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Seal Flus$ %arrier Fluid
8ydrovar Pump
Pressure )ransducer
Process Fluid
7ain Pump
7aintains barrier fluid pressure at 05 psiover main pump disc$arge pressure
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Plastics In'ection 7olding
7ultiple 7ac$ines
7old 8eaters on 7ultiple 8eader at constant pressure
8ydrovar Pumps wit$Pressure transducers
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8eat +(c$anger/!ooling )ower
8otProcessFluid
8ydrovar Pump!onstant temperature can bemeasured at eit$er side of $eat e(c$anger
r as delta ) accross $eat e(c$anger
!ooledProcessFluid
!ooling )ower !ircuit
)$ermal )ransducter
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!onstant Pressure
ater Supply
ater 7ain
7ulti pump 8ydrovar booster set for residential and commercialdevelopments at t$e end ofmain line service4 or on a $ill"#utomatic 6ead/6ag"#utomatic system curve compensation
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8ydrovar %oiler Feed
SystemProcess/8eating
Boiler Level Control!ondenser
!ondensatePump
>eaerator )an&
8ydrovar Feed Pump +liminates bypass line4 metering valve4 and
!layton valve ? up to @A-- per ;5 psi
#utomatic low <PS8 and run out protection
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8ydrovar SeparationSystem
Increases pressure as filter becomes clogged#utomatic s$ut off w$en filter needs c$anging#utomatic low <PS8 s$ut off
Process )an&!leaner
)an&aste )an& Filter
#>
P>
7+7
%B#<+
8ydrovar Pump
)ransfer Pump Becirc Pump
ater ut
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Increases pressure to maintain constantflow as filters become clogged
#utomatic s$ut off w$en filter needs c$anging
)ypical Beverse smosis Systemit$ 8ydrovar Pump
7embranes
Screen
Filter
Feedwater
Bentate
Permeate
Cltrapure
Becirc PumpFeed Pump
wit$ 8ydrovar
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8ig$ wind speed reduces pump speedPressure drop eliminates fountain over spray
#nemometer
Supply
8ydrovarPump
ater Fountain !ontrol