Metallic Hose Assemblies - Thorburn Flex Inc
Metallic Hose Assemblies - Thorburn Flex Inc Metallic Hose Assemblies - Thorburn Flex Inc
Metal HoseCorrugatedCUSTOM METAL HOSE ASSEMBLIESPurposeCollarFlangeThorburn's annular corrugated metal hose assemblies are made upof three major parts: metal hose, overbraid and end fittings. Assembliesachieve several objectives in pipework design: absorb vibration,supress rigid pipe transmitted noise, accommodate reciprocatingand flexing movement and adjust or correct for minor misalignment.Custom DesignsThorburn is geared to provide enduserdesigned hose assemblies. Youspecify the operating conditions andwe will produce a hose. The hosemay be exceptionally flexible or youmay need several hoses encapsulatedin outer hose: a jacketed hosefor heat exchange; an armoured hose;a hose to carry sensitive cables; anarticulated robotic cover; an insulatedhose; a colour coded hose. Our "cando"design specialists are only a phonecall away.UnbraidedhoseBraidCHARACTERISTICSHoseThorburn's stainless steel annular corrugatedhose body provides the flexibleand pressure tight core of the assembly.Thorburn's manufactured annularcorrugated hose tends to be more flexible andlower stressed than a helical product. The pitch of thehose can be varied to achieve performance requirements inboth flexibility and pressure rating.End FittingsThis is the means by which the custom-designed assembly is attachedinto the pipework system.Braided hoses accept lateralmotion onlyBraidWhen pressure is introduced into corrugated hose, it tends to openaxially. The pressure acts upon each corrugation at the rate of theeffective diameter of the corrugation, multiplied by the line pressure.The job of Thorburn's tight weave braid is to prevent elongation.Fitting the braid to the corrugated tube also increases the hoopstrength, stabilizes movement and offers a form of abrasion protection. The core hose, a braid collar and the tight weavebraid are welded together to give the "live length" of assembly. Braid is made of stainless steel, Monel or bronze wire, wovenin such a way that line pressure produces braid tension which is dissipated into inward radial pressure. Thorburn's multiplebraided assemblies accommodate higher pressures. As the braid is stretched in an operating assembly, it will not acceptaxial motion.2
Metal HoseCorrugatedThorburn's standard annular flexible core starts its lifeas a coil of stainless steel strip which is mechanicallyformed into a tube and then longitudinally butt welded.Considerable care is taken to ensure that the strength ofthe butt weld is greater than that of the parent material.This rigid tube is then transferred to the corrugating machinewhere the corrugations are formed. After the tubehas been corrugated, it is pressure tested to ensure thatthere are no leaks.Thorburn's "Tight weave" braid design is carefully calculatedto ensure that the number of wire gauge and theangle of lay give optimum performance. After the attachmentof the end fittings, the hose is pressure tested to1-1/2 times the working or design pressure and test certificatescan be supplied if required.Why Buy Thorburn Annular formed Corrugated Metal Hose AssembliesAnnular (parallel) CorrugationsHelical (spiral) CorrugationsVSSeparate corrugations form acircle or ring in itselfSpiral path with one continuous corrugationrunning the length of the hoseThorburn's standard metal hose core is corrugated intoa close pitch annular profile. These annular corrugationspermit the hose to be bent or isolate lateral deflectionwhile remaining liquid and gas tight.Thorburn's annular corrugations permit the hose assemblyto absorb its thermal activated extension and compressionmovements.VSVSHelical corrugations tend to be less flexible and yieldhigher stress under flexural movement. In other words1) helical assembly takes more force to bend and requireslonger lengths to make a bend; 2) helical assemblylife is more adversely affected by flexure movementresulting in a shorter life.Helical corrugations have a tendency to twist whensubjected to extension and compression movement. Inother words, if your flexible hose component is subjectedto a change in temperature, the hose could failprematurally.3
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Metal <strong>Hose</strong>CorrugatedCUSTOM METAL HOSE ASSEMBLIESPurposeCollarFlange<strong>Thorburn</strong>'s annular corrugated metal hose assemblies are made upof three major parts: metal hose, overbraid and end fittings. <strong>Assemblies</strong>achieve several objectives in pipework design: absorb vibration,supress rigid pipe transmitted noise, accommodate reciprocatingand flexing movement and adjust or correct for minor misalignment.Custom Designs<strong>Thorburn</strong> is geared to provide enduserdesigned hose assemblies. Youspecify the operating conditions andwe will produce a hose. The hosemay be exceptionally flexible or youmay need several hoses encapsulatedin outer hose: a jacketed hosefor heat exchange; an armoured hose;a hose to carry sensitive cables; anarticulated robotic cover; an insulatedhose; a colour coded hose. Our "cando"design specialists are only a phonecall away.UnbraidedhoseBraidCHARACTERISTICS<strong>Hose</strong><strong>Thorburn</strong>'s stainless steel annular corrugatedhose body provides the flexibleand pressure tight core of the assembly.<strong>Thorburn</strong>'s manufactured annularcorrugated hose tends to be more flexible andlower stressed than a helical product. The pitch of thehose can be varied to achieve performance requirements inboth flexibility and pressure rating.End FittingsThis is the means by which the custom-designed assembly is attachedinto the pipework system.Braided hoses accept lateralmotion onlyBraidWhen pressure is introduced into corrugated hose, it tends to openaxially. The pressure acts upon each corrugation at the rate of theeffective diameter of the corrugation, multiplied by the line pressure.The job of <strong>Thorburn</strong>'s tight weave braid is to prevent elongation.Fitting the braid to the corrugated tube also increases the hoopstrength, stabilizes movement and offers a form of abrasion protection. The core hose, a braid collar and the tight weavebraid are welded together to give the "live length" of assembly. Braid is made of stainless steel, Monel or bronze wire, wovenin such a way that line pressure produces braid tension which is dissipated into inward radial pressure. <strong>Thorburn</strong>'s multiplebraided assemblies accommodate higher pressures. As the braid is stretched in an operating assembly, it will not acceptaxial motion.2
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