1/4" x 1/2" x 1/2" 50' Duraguard Mini-Split Copper Line Set

Streamline® 40820500B6C – Duraguard Mini-Split Copper Line Set, 1/2" x 5/8" x 50 ft The Streamline® Duraguard 40820500B6C line set includes 50 feet of pre-insulated copper tubing for use in ductless split-system HVAC applications. Manufactured from seamless UNS C12200 copper tubing and nitrogen-charged during production, the set meets ASTM B280 standards for cleanliness, strength, and dimensional tolerance. The line set includes one 1/2-inch outside diameter liquid line and one 5/8-inch outside diameter suction line. Both lines are covered with a factory-applied, UV-resistant polyethylene foam insulation jacket to reduce thermal losses and protect against weathering. Technical Specifications Line Sizes: 1/2 in. OD liquid line x 5/8 in. OD suction line Length: 50 feet Copper Type: Seamless, phosphorus-deoxidized copper (UNS C12200) Pressure Rating: 700 psi working pressure Temperature Range: -40°F to 250°F Insulation: Closed-cell polyethylene foam, 1/2 in. wall, Duraguard™ UV-resistant outer jacket Compliance: ASTM B280 for refrigeration and air conditioning service Refrigerant Compatibility: Suitable for use with R-410A, R-32, and similar high-pressure refrigerants Performance and Installation Considerations Pre-cleaned and sealed tubing: Nitrogen-charged to prevent internal oxidation and maintain system integrity Designed for field flaring or brazing: Ends left open for termination in the field using industry-standard tools Flexible routing: Coiled tubing simplifies installation in confined areas or retrofit conditions Corrosion-resistant: Both copper and insulation materials are selected for durability in outdoor applications