PE-AL-PE-Gasrohr

Fünf Schichten mit mittleren Aluminium; Rohr für Gas; 4 Bars, Beständigkeit gegen hohe Temperatur, hoher Druck, Korrosions mit ausgezeichneten p Mediumlayerofaluminumplasticcompositepipeisweldedaluminumband,andinnerandexternallayersareallmadeofpolyethylene.Special-purposehotmeltingadhesiveisused,andextrusionmoldingmethodisadoptedforcompositeofpipe.Pressureresistanceofmetalpipeandcorrosionresistanceofplasticpipearecombinedtogetheronthepipe.Aluminumplasticcompositepipemainlyhavethefollowingfeatures: 1) Havethestrengthequaltometalpipe, andtendstobebendedwithoutbounce. 2) Resistancetohightemperature, Hochdruck, corrosionwithexcellentperformance; 3)Innerwallofthepipeissmooth,thusresistancetofluidtransportationissmall.Capacityoffluidtransportationissuperiortometalpipeofthesamediameterby30%; 4) Propertyoffireretardation; 5)Goodperformanceofheatinsulationwithathermalconductivityof0.45W/m,whichissmallerthanthatofmetalpipebyfar.Thusheatinsulationmaterialoutsidethepipemaybesaved; 6)Beconvenienceforcuttingandconstruction.Special-purposefittingconnectionmaybeusedinsteadofthreading.Pipeofsmalldiameterissuppliedinroll.thelengthofpipemaybedeterminedatwill,andpipemaybebendedatwill.Thusbendandpipefittingareunnecessary,whichisconvenienceforconstruction.Therefore,laborcostcanbereducedandtimelimitfortheprojectwouldbeshortened; 7) Servicelifemayreachabove50years; 2.MajortechnicalindicatorsofGindealuminumplasticcompositepipe Thermalconductivity0.45W / (mK) Coefficientofthermalexpansion0.025mm / (mK) Bendingradius≥5D (Dreferstoouterdiameterofpipe) Mediumtemperature-40 95 Gas (Sauerstoff) permeability0 Innerwallofpipesmooth, smallfluidresistance, androughnessis0.0004mm Othersgoodperformanceofantistatic, longservicelife