FLEXWELL-LPG® PipingPipe system for petrol stations

Flexible Pipe system for automotive LPG in service station constructions

System advantages• fastandsimpletoinstallwithoutweldingandx-rayingof weldsonsite• nodowntimeandonlyminimalinterruptionstopetrolsales onretrofits• themostcosteffectivepipesystem

General DescriptionFLEXWELL-LPG®PipingissuitableforautomotiveLPG(Autogas)buriedinstallationsofservicestationsinbothvapourandliquidphase.

LPG’smainconstituentsarePropane(C3H8)andButane(C4H10)whichhavedifferentboilingpoints:–45°Cforpropaneand–2°Cforbuta-ne.TheactualmixtureofpropaneandbutaneofanyautomotiveLPGmarketedvariesconsiderablyfromonecountrytoanother,dependingontheirsourcesofLPG.ThemixofpropaneandbutanehasaprofoundimpactondesignrequirementsofLPGfuellingcomponents;theoneforapropaneonlymixbeingthemoststringent.Caremustbeexercisedintheselectionoftheminimaldesignrequirementsastheequipmentmayturntobecomeunsuitable,iftheLPGmarketedinacountryisbeingchangedtopropanerichermixturesinviewofchangingnationalsourcesofLPG.

FLEXWELL-LPG®Pipingisdesignedforoperatingtemperaturesupto–50°CandoperatingpressuresofPN25(360PSI)asindicatedforpropaneonlymixtures.

ApplicationFLEXWELL-LPG®isasinglewalledflexiblepipesystemdesignedfortheundergroundtransportofLPG.TypicallyFLEXWELL-LPG®PipingisusedasanundergroundliquidfeedlineandvapourreturnbetweentheLPGstoragetanksandtheliquidgasdispenserinfuellingstations.

ConstructionTheflexiblecompositepipehasahelicallycorrugatedprimarypipe.ThisismanufacturedofEN1.4404stainlesssteel(USequivalent:AISITP316L)andhasexcellentcorrosionresistancecharacteristicsasaresult.Aroundthiscarrierpipe,high-strengthreinforcingbandsarefitted,whicheffectivelylimitlongitudinalexpansionevenathighoperatingpressures.CorrosionprotectionforburiedinstallationinthegroundisaffordedbyanexternalPE-LDjacket.

Installation FLEXWELL-LPG®Pipingismanufacturedinstandardfactorylengthsupto700m.Thepipeworkissuppliedonacablereelorcoilallowingittoberundirectlyoffthereelorcoilintopositioninthepipetrench.Thecorrugatedprimarypipeandthehelicallyfittedreinforcingbandsgivethispipingsystemremarkablygoodflexibilityandeaseoflaying.FLEXWELL-LPG®pipeworkcanbecuttotherequiredlengthonsiteand,asnecessary,bentthroughverytightanglestorunaround,underoroverexistingservices.

BRUGG Rohrsysteme GmbH

Adolf-Oesterheld-Straße31

D-31515Wunstorf

phone+49(0)5031170-0

fax +49(0)5031170-170

info@brugg.de

www.brugg.de

Brugg Rohrsystem AG

Industriestrasse39

CH-5314Kleindöttingen

phone+41(0)562687878

fax +41(0)562687879

pipesystems@brugg.com

www.pipesystems.com

AcompanyoftheBRUGGGroup

01/12/xxxxex./84500051

FLEXWELL-LPG®withreinforcedbands Easy installation on site

Type designation: LPG 22/33 LPG 30/40 LPG 39/50 LPG 48/61 LGP 60/74material: • primarypipe:stainlesssteel1.4404* • • • • • • corrosionproofing:PE-LDjacket • • • • •max.operating +25.0bar/ +25.0bar/ +25.0bar/ +25.0bar/ +25.0bar/pressurefor: 360PSI 360PSI 360PSI 360PSI 360PSInominaldiameter: DN20/¾" DN25/1" DN32/1¼" DN40/1½" DN50/2"dimensions: •innerpipediameter 22mm 30mm 39mm 48mm 60mm •outerpipediameter 33mm 42mm 52mm 63mm 74mm •volumeinnerpipe 0.40l/m 0.80l/m 1.30l/m 2.00l/m 3.00l/mmin.bendingradius: 200mm 200mm 300mm 400mm 600mmweight: 0.7kg/m 0.9kg/m 1.5kg/m 1.9kg/m 2.7kg/mavailabletype • malethreadendNPT • • • • •ofconnectors: • alsoavailablewithreducedmalethreadendNPT • • • splitflangesDIN • • • • • • splitflangesANSI • • • • • • weldingend • • • • •

Physical properties of FLEXWELL-LPG® Piping

*USequivalent:AISITP316L

Alltechnicaldatasubjecttochange.

Approvals, 3rd party testingSTOOMWEZEN,SCHIELAB,ReportNo.SL584/01dated07/10/01;KIWA,97/23/ECModul,A1.01.07.2008CE620–FlexiblesinglewalledpipeforLPG.

For additional 3rd party testing of connectors refer to:TÜV-Nord,Germany,reportonburstpressuretestingofFLEXWELLconnectorsusinggraphitepacking.