1/4"+3/8" Pre-Insulated Copper Pipe HVAC Linesets 20m 30m 50m

1/4"+3/8" Pre-Insulated Copper Pipe HVAC Linesets 20m 30m 50m. 99.9% Pure Copper: Manufactured to ASTM B280, C12200, and JIS H3300 standards for premium quality. UV-Resistant Insulation: 1/2 Polypropylene insulation compliant with ASTM E84, UL94, and ASTM D1056. High Pressure Rating: Pressure rating from 2100 to 7000 PSI, exceeding standard R410A requirements. Wide Size Options: Available in 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, and 1 inch sizes. Customizable Lengths: Custom lengths of 15m, 20m, 25m, 30m, and 50m available to suit needs. Logo Printing Service: Insulation can be personalized with company name, size, and length measurements. 2-Year Warranty: Comprehensive 2-year warranty coverage for all mechanical defects. OEM/ODM Support: Full customization options including samples, designs, and flexible customization.