Metallic Hose Assemblies

Thorburn's Custom Metal Hose Capabilities

Thorburn's highly specialized engineering and manufacturing expertise plus its positive "can-do" attitude, have provided the impetus for a dramatic growth pattern and widely respected reputation

Thorburn's annular corrugated metal hose assemblies are made up of three major parts: metal hose, overbraid and end fittings. Assemblies achieve several objectives in pipework design: absorb vibration, suppress rigid pipe transmitted noise, accommodate reciprocating and flexing movement and adjust or correct for minor misalignment.

Thorburn's stainless steel annular corrugated hose body provides the flexible and pressure tight core of the assembly. Thorburn's manufactured annular corrugated hose tends to be more flexible and lower stressed than a helical product. The pitch of the hose can be varied to achieve performance requirements in both flexibility and pressure rating.

When pressure is introduced into corrugated hose, it tends to open axially. The pressure acts upon each corrugation at the rate of the effective 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 hoop strength, stabilizes movement and offers a form of abrasion protection. The core hose, a braid collar and the tight weave braid are welded together to give the "live length" of assembly. Braid is made of stainless steel, monel or bronze wire, woven in such a way that line pressure produces braid tension which is dissipated into inward radial pressure. Thorburn's multiple braided assemblies accommodate higher pressures. As the braid is stretched in an operating assembly, it will not accept axial motion.

Manufacturing Capabilities

6mm - 600mm (1/4" - 24")
Full Vacuum to 238 BAR (3500 psi)

Welding and Fabrication Capabilities

Arc, Pulse Arc,TIG, MIG, Corewire
Tube Welding, Track Welding Automated Flame Cutting
Rolls, Positioners, Large Turntables
Vacuum Test to 15,000psi





Closed Pitch Angular Profile, Isolate lateral deflection while remaining liquid and gas tight.


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Hose Braiding


High Speed Metallic Braiding Machines


Hose Corrugating