Duro-Line™

Why Duro-Line?

Duro-Line line sets are the perfect balance of strength and flexibility, coupled with superior roundness, and corrosion resistance that is unmatched in the industry. This time-tested technology is the future of HVAC line sets.

Proudly Made in the USA

▪ Patented technology with 40 years of proven history in refrigeration industry
▪ A high quality Duro Dyne® product carried across 3 strategically located distribution centers for on-time delivery
▪ Superior corrosion resistance compared to copper; tested for 40 years
▪ Supports operating temperatures at -55F to 500F
▪ Provides ~40% higher operating pressure than copper with burst pressure over 7000 psi

Duro-Line Technology

▪ Diffused nickel inner layer
▪ Diffused nickel outer layer
▪ Aluminum/zinc layer coating
▪ Aluminum enriched epoxy paint layer
▪ Low carbon steel tube

Advantages

▪ A significantly less volatile commodity than copper
▪ Avoids supply chain disruptions that are common with copper
▪ Higher strength and durability
▪ A sustainable alternative to copper, aluminum or plastic
▪ Quick and easy to install
▪ Lighter weight than copper
▪ UL compliant to operating design pressures of 700psi (1,100psi on 1/4'' and 3/*'') at a continuous operating temperature of 250F
▪ Corrosion tested to 40 years, and warrantied to 20 years*
▪ Similar mechanical properties of copper
▪ (Tensile/Yield/Elongation)

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