Refrigeration Tubing

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Refrigeration Tubing

A variety of diameters and wall thicknesses available in both plain and coated steel.

Steel Tube

Bundy Refrigeration’s steel tubes are offered in single or double-wall construction to carry refrigerant within cooling systems. They are a core component used to manufacture other refrigeration parts – such as Bundy’s wire-on-tube condensers, plate-on-tube condensers, skin condensers, door warmers, and evaporators. Steel tube is formed, brazed, and shaped to carry refrigerant and provide structural integrity within these assemblies, where its strength, durability, and leak resistance are essential for domestic and commercial appliances.

Single wall tubing consists of a single layer of metal and is generally thinner and lighter, making it suitable for standard pressure environments and cost-effective refrigeration applications. In contrast, double wall tubing uses two concentric layers, usually brazed together, offering greater mechanical strength and enhanced resistance to internal pressure, leaks, and corrosion.

SINGLE WALL / DOUBLE WALL

Bundy’s steel refrigeration tubing is manufactured to meet the internal residue and moisture standards required for today’s high reliability refrigeration systems. A variety of diameters and wall thicknesses are available in both plain and coated steel.

Electric Welded Single Wall Steel Tubing

“Single wall steel tubing is the most common type of tubing used in household refrigeration applications. Bundy single wall tubing is manufactured by continuously forming a single low carbon steel strip into a tubular shape and welding the adjoining edges using a high frequency induction welding process. Through strict process controls, the internal weld bead is held to a minimum and all external flashing is removed. Corrosion resistant coatings are applied in- line to assure uniform coverage.”

Bundyweld™ Brazed Double Wall Tubing

“Double wall tubing is produced by roll forming copper coated carbon steel strip into a double wrapped tubular shape as shown in the cross sectional diagram. The formed tube is passed through a controlled atmosphere brazing furnace where it is fused together to produce a sealed tube. Double wall tubing is ideally suited for use in applications that are subject to high levels of vibration and fatigue, such as household and commercial refrigeration compressors.”

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