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Adaptat dupa ITT FLYGT

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n = constant

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pressure

[bar]

waterconsumption

[l/s]

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Selection of speedcontrolled pumps controlling

on constant pressure oralong a plant curve

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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