REFERENCESREFERENCES

23 23 yearsyears of of practicalpractical experienceexperience in in thethe fieldsfields of of DistrictDistrict HeatingHeating & &

CoolingCooling, Geothermal and , Geothermal and SanitarySanitary

Zoo Schönbrunn Zoo Schönbrunn -- ViennaVienna

Exchange of Corroded steelPipes – in concreteDucts and openTrenches

BiomassBiomass Seibersdorf Seibersdorf -- AustriaAustria

10,5 km Flexalen networkStraw fired biomass heating

School School projectproject in New in New ZealandZealand

Since 1987 morethan 25 km of Flexalen pipes wereinstalled into

• schools• universities and• community

buildings• At New Zealand

Geothermal Geothermal projectproject DAX/FranceDAX/France

TheThe communitycommunity of of DaxDaxhas a has a veryvery richrichgeothermalgeothermal resortresort forforhealthcarehealthcare. . Flexalen pipes Flexalen pipes werewereusedused to to connectconnectprivate private householdshouseholds to to thethe geothermalgeothermalnetworknetwork..

Ulster University Ulster University projectproject

TheThe newnew Ulster Ulster University University isis usingusingdistrictdistrict heatingheating forfor thetheheatingheating of of thethebuildingsbuildings..

Flexalen pipes Flexalen pipes provideprovidethethe best best solutionsolution ––economicallyeconomically and and environmentallyenvironmentally

First FLEXALEN First FLEXALEN installationinstallation

In 1981 In 1981 thethe firstfirstFLEXALEN pipes FLEXALEN pipes werewereinstalledinstalled intointo a a districtdistrictheatingheating networknetwork of of STEWEAG, STEWEAG, AustriaAustria..

These pipes These pipes areare still in still in operationoperation..

NUON NUON projectproject AlmeereAlmeere, NL, NL

ElectrofusionElectrofusion weldingweldingforfor connectionsconnections

HeatingHeating and and SanitarySanitarysupplysupply withwith FlexalenFlexalen

Hospital de Hospital de PontivyPontivy--TexierTexier, FR, FR

GeothermieGeothermie JonzacJonzac, , FranceFrance

Geothermal Geothermal bathbath OberlaaOberlaa -- ViennaVienna

2x1,4 km PB OD225 non-insulated main lineSince 1972 in operation with highly aggressive Sulphur–Thermal-Water

Industrial plant AVL List Industrial plant AVL List -- GrazGraz

Group Group HeatingHeating forfor HousingHousing EstateEstate ––KleinhöfleinKleinhöflein -- AustriaAustria

Mobile Mobile HeatingHeating Worldcup VIPWorldcup VIP

BiomassBiomass Nötsch Nötsch AustriaAustria

STEWEAG STEWEAG VoitsbergVoitsberg SubnetSubnet

Group Group HeatingHeating Ulm Ulm -- GermanyGermany

Kirchdorf Kirchdorf –– AustriaAustria 19841984

Ökodorf Ökodorf AustriaAustria 19951995

Bad Tatzmannsdorf Bad Tatzmannsdorf AustriaAustria

Extension Schönbrunn ZooExtension Schönbrunn Zoo

HousingHousing estateestate BruckneudorfBruckneudorf ATAT

Therme Loipersdorf Therme Loipersdorf AustriaAustria

Extension Therme Lutzmannsburg ATExtension Therme Lutzmannsburg AT

Schloss Neuhaus Schloss Neuhaus AustriaAustria

Schloss Wundschuh Schloss Wundschuh AustriaAustria

HousingHousing estateestate Stetten Stetten AustriaAustria

Corpus Christi University UKCorpus Christi University UK

Cork Corporation Cork Corporation -- IRLIRL

•• Cork Corporation Cork Corporation putputtheirtheir faithfaith in Flexalen to in Flexalen to replacereplace corrodingcorroding steelsteelmains on 4 mains on 4 housinghousingsitessites..

•• usedused Flexalen to Flexalen to serveservea total of 558 a total of 558 flatsflats..

LowLow temperaturetemperature DistrictDistrictHeatingHeating

The Austrian Energy Supplier STEWEAG installed 220Km of FLEXALEN secondary networks

15

15

20

20

25

15

15

1515

25 35 20

25

20 7520

1515

20

1525

1520

15

1520

15

15 20 15

25

25

125 mHeizhaus

620

625

615

610

605

615

Château des Château des BroyersBroyers renovationrenovation

Replacement of existing steel pipe network for chilled water airconditioning

A A shortshort summarysummary

ThatThat makesmakes ourour productsproducts so so specialspecial

High High FlexibilityFlexibility

ThatThat makesmakes ourour productsproducts so so specialspecial

Superior Superior WeldabilityWeldability

Electro-fusion

Butt-fusion

Electro-fusion

Socket-fusion

ThatThat makesmakes ourour productsproducts so so specialspecial

CorrosionCorrosionproofproof

ThatThat makesmakes ourour productsproducts so so specialspecial

Best Best creepcreepresistanceresistance

ThatThat makesmakes ourour productsproducts so so specialspecial

PB PB mediummedium pipepipeadvantagesadvantages

ThatThat makesmakes ourour productsproducts so so specialspecial

Low Thermal Low Thermal Conductivity:Conductivity:

0.14W/mK0.14W/mK

MS Pipes: 50 W/mKMS Pipes: 50 W/mK>350 times that of >350 times that of flexalen PBflexalen PB--1 pipes1 pipes

ThatThat makesmakes ourour productsproducts so so specialspecial

Best Best foamfoam qualityqualityλλ5050: 0.031W/mK: 0.031W/mK

ThatThat makesmakes ourour productsproducts so so specialspecial

max Te

mp °C

max pr

ess b

ar

PP-RPVC-C (HTA)

PE-XPB

95

8

95

6

60

8

60

100

10

20

30

40

50

60

70

80

90

100

Best Best pressurepressure ratingrating at 95°Cat 95°C

ThatThat makesmakes ourour productsproducts so so specialspecial

High High FlexibilityFlexibility

Superior Weldability

Corrosion resistance

PB medium pipe advantagesBest foam quality

Creep resistance

Highest pressure rating at 95°C

FLEFLEXXALENALENadvanced preadvanced pre--insulated pipe insulated pipe

systems systems Since 1982Since 1982

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