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DBJ-003
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DABUND
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Copper
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1M - 10M
Material
Color
Keywords
Application
50 ft 1/2" x 3/4" Insulated Copper Tube
The 50 ft 1/2" x 3/4" insulated copper tube is a pre-insulated HVAC refrigerant line set designed for mini split air conditioners, heat pumps, ductless HVAC systems and split AC installation projects.
This insulated copper tube kit includes one set of 1/2" x 3/4" copper refrigerant lines with 1/2" white PE insulation, wall pipe with cover, drain hose, wire cable and installation accessories for professional HVAC installation.
Dabund Pipe manufactures insulated copper tube, mini split line sets, aluminum pipe and HVAC parts for contractors, wholesalers, distributors, importers and OEM private-label buyers.
Product Overview: 50 ft Insulated Copper Tube for HVAC Systems
The 50 ft 1/2" x 3/4" insulated copper tube is designed to connect indoor and outdoor units in compatible HVAC systems. It provides stable refrigerant transfer, thermal protection and easier installation for residential and light commercial AC projects.
With pre-flared copper pipe ends, flare nuts and factory-applied insulation, this insulated copper tube helps reduce jobsite preparation time while improving line set consistency and system reliability.
Key Features of 50 ft 1/2" x 3/4" Insulated Copper Tube
50 ft insulated copper tube for mini split, heat pump and HVAC installation.
1/2" and 3/4" copper refrigerant lines for compatible split AC systems.
Includes communication wire cable, 3 m drain hose, wall pipe, cover and necessary installation accessories.
Both copper pipe ends are flared and supplied with nuts for secure connection.
White PE and black rubber insulation options are available.
White PE insulation thickness options include 3/8", 1/2", 3/4", 1", 8 mm, 9 mm, 10 mm, 13 mm, 19 mm and 25.4 mm.
Black rubber insulation thickness options include 1/2", 3/4", 1", 13 mm, 17 mm, 19 mm and 25.4 mm.
Copper pipe meets ASTM B280 and C12200 standards.
Insulation options support ASTM E84, UL94, ASTM D1056 and ASTM G21 test requirements.
OEM logo printing, insulation marking and private-label packaging are available.
Technical Specifications
| Specification | Detail |
| Product Name | 50 ft 1/2" x 3/4" Insulated Copper Tube |
| Length | 50 ft / approx. 15.24 m |
| Line Size | 1/2" x 3/4" |
| Metric Size | 12.7 mm x 19.05 mm |
| Copper Standard | ASTM B280 and C12200 DHP |
| Insulation Material | High-density closed-cell polyethylene foam / white PE insulation |
| Insulation Options | White PE and black rubber insulation available |
| Temperature Range | -40℃ to 120℃ |
| Included Accessories | Wire cable, drain hose, wall pipe, wall cover, flare nuts and installation parts |
| Application | Mini split, heat pump, ductless AC, VRF and HVACR installation |
Copper Tube: ASTM B280 and C12200 DHP
The copper tube is manufactured to support HVAC refrigerant line performance. ASTM B280 and C12200 DHP copper provide excellent thermal conductivity, pressure resistance, corrosion resistance and long-term reliability.
1/2" x 3/4" HVAC Line Size
The 1/2" x 3/4" line size is used in compatible larger mini split, heat pump and HVAC systems. Final line size selection should always follow the HVAC equipment manufacturer’s installation manual.
Pre-Flared Ends with Copper Nuts
Both copper tube ends are flared and supplied with nuts, helping installers create secure connections and reduce installation preparation time.
White PE Insulation for HVAC Efficiency
The insulation is made from high-density closed-cell polyethylene foam. It helps reduce heat gain, heat loss and moisture condensation along the refrigerant line.
Meets or exceeds ASTM C1427-07 working temperature requirements.
Surface burning characteristics can meet UL94 and UL723 requirements.
ASTM E84 25/50 smoke and fire performance options are available.
Superior tear resistance for jobsite handling.
UV-resistant outer surface for indoor and outdoor HVAC line runs.
Closed-cell insulation helps control condensation and moisture penetration.
99.9% Pure Copper
White PE Insulated Pipe
Copper Nut
Three-Layer Insulation Structure
With embossed polyethylene film, climate-resistant foam and thickened insulation cotton, this three-layer insulated mini split copper line set supports corrosion resistance, flame-retardant performance, thermal insulation, waterproofing, shock resistance, sound absorption and long-term durability.
Outer Layer: UV-Resistant PE Film
The outer layer uses anti-aging, UV-resistant PE film with a wear-resistant embossed pattern for better outdoor durability and installation protection.
Middle Layer: IXPE Foam
The middle layer uses dense-cell IXPE foam for heat resistance, cold resistance, impact absorption, water resistance and thermal insulation performance.
Inner Layer: Closed-Cell Structure
The inner closed-cell structure provides good air tightness, thermal insulation and temperature resistance from -40℃ to 120℃.
Thermal Insulation Pipe Production
Insulation Pipe Warehouse
Inner Layer Insulated Pipe
50 ft 1/2" x 3/4" Insulated Copper Tube for HVACR Wholesalers
Dabund Pipe in-house tested insulated copper tube is designed to make installation simple and quick, helping contractors save time and reduce cost on each job.
For distributors, importers and private-label HVAC brands, Dabund supports bulk production, custom insulation thickness, product marking, logo printing and export packaging.
Insulated Copper Tube Size Options
| Size | Length | Insulation White PE | Flame Resistant |
| 1/4 + 3/8 | 3 m / 4 m / 5 m / 7 m / 10 m | 8 mm / 9 mm / 10 mm / 13 mm / 19 mm / 25.4 mm | M1 / B1 |
| 1/4 + 1/2 | 3 m / 4 m / 5 m / 7 m / 10 m | 8 mm / 9 mm / 10 mm / 13 mm / 19 mm / 25.4 mm | M1 / B1 |
| 1/4 + 5/8 | 3 m / 4 m / 5 m / 7 m / 10 m | 8 mm / 9 mm / 10 mm / 13 mm / 19 mm / 25.4 mm | M1 / B1 |
| 3/8 + 5/8 | 3 m / 4 m / 5 m / 7 m / 10 m | 8 mm / 9 mm / 10 mm / 13 mm / 19 mm / 25.4 mm | M1 / B1 |
| 3/8 + 3/4 | 3 m / 4 m / 5 m / 7 m / 10 m | 8 mm / 9 mm / 10 mm / 13 mm / 19 mm / 25.4 mm | M1 / B1 |
| 1/2 + 3/4 | 3 m / 4 m / 5 m / 7 m / 10 m | 8 mm / 9 mm / 10 mm / 13 mm / 19 mm / 25.4 mm | M1 / B1 |
| 3/8 + 7/8 | 3 m / 4 m / 5 m / 7 m / 10 m | 8 mm / 9 mm / 10 mm / 13 mm / 19 mm / 25.4 mm | M1 / B1 |
Recommended Applications by AC Capacity
| Line Set Size | Common AC Capacity | Typical BTU Range | Typical Application |
| 1/4 + 3/8 | 0.75 ton - 1.0 ton | 9,000 BTU - 12,000 BTU | Small mini split air conditioner |
| 1/4 + 1/2 | 1.5 ton - 2.0 ton | 12,000 BTU - 18,000 BTU | Residential mini split system |
| 1/4 + 5/8 | 2.0 ton - 2.5 ton | 24,000 BTU - 30,000 BTU | Split air conditioner system |
| 3/8 + 5/8 | 3.0 ton - 4.0 ton | 36,000 BTU - 48,000 BTU | Ductless mini split and heat pump |
| 3/8 + 3/4 | 4.5 ton - 6.0 ton | 54,000 BTU - 72,000 BTU | Larger split AC installation |
| 3/8 + 7/8 | 6.0 ton - 8.0 ton | 72,000 BTU - 96,000 BTU | Commercial ductless HVAC systems |
The 1/2" x 3/4" insulated copper tube is commonly used for larger split AC, heat pump and ductless mini split installations. Final sizing should always follow the equipment manufacturer’s requirements.
Why Choose 50 ft 1/2" x 3/4" Insulated Copper Tube from Dabund?
Manufacturer Experience Since 2008
Dabund Pipe has manufactured insulated copper tube, mini split line sets, aluminum pipe and HVAC parts since 2008, supporting global HVAC customers with production and export experience.
Large Production Capacity
Dabund operates professional production facilities and supports large-volume insulated copper tube supply for distributors, importers and project-based HVAC buyers.
Individual Pre-Insulated Rolls
Individual pre-insulated rolls are designed to fit ductless mini splits, VRF systems, heat pumps and unitary HVAC system installations.
Quality Products with Competitive Pricing
Dabund supports HVAC wholesalers, contractors, installers and private-label buyers with stable supply, competitive pricing and professional service.
Dabund Factory
Dabund produces insulated copper pipe, mini split line set, aluminum pipe and HVAC parts for global customers.
SGS Certificate
Mini split line set insulation can be made of polypropylene or black rubber with UV resistance, meeting ASTM E84, UL94, ASTM D1056 and ASTM G21 requirements.
Exhibition
Dabund joins HVAC exhibitions worldwide to present mini split line set and insulated copper tube products to customers face to face.
FAQ
What is 50 ft 1/2" x 3/4" insulated copper tube used for?
It is used as a pre-insulated refrigerant line set for mini split air conditioners, heat pumps, ductless HVAC systems, VRF systems and split AC installations.
What does 1/2" x 3/4" mean?
It refers to the outer diameters of the two copper refrigerant tubes. The metric sizes are approximately 12.7 mm and 19.05 mm.
Does this insulated copper tube include installation accessories?
Yes. This kit can include communication wire cable, drain hose, wall pipe, cover, flare nuts and necessary installation accessories.
Is this copper tube pre-flared?
Yes. Both copper pipe ends can be flared and supplied with nuts to support secure HVAC refrigerant line connections.
What insulation options are available?
Dabund can provide white PE insulation and black rubber insulation with different thickness options, including 8 mm, 9 mm, 10 mm, 13 mm, 19 mm and 25.4 mm.
Does the copper tube meet HVAC standards?
Yes. The copper tube can meet ASTM B280 and C12200 standards, while insulation options can support ASTM E84, UL94, ASTM D1056 and ASTM G21 test requirements.
Is this insulated copper tube suitable for outdoor use?
Yes. The UV-resistant insulation is suitable for many indoor and outdoor HVAC line runs when installed correctly and protected according to project requirements.
Can Dabund customize this insulated copper tube?
Yes. Dabund can customize length, insulation thickness, insulation color, logo printing, product marking and export packaging for OEM and private-label buyers.
Are you a trading company or manufacturer?
Dabund is a manufacturer of insulated copper tube, mini split line sets, aluminum pipe and HVAC parts.
Can I get a free sample?
Yes. Dabund can provide qualified customers with free samples. Express cost may need to be covered by the buyer. You can request samples through the free sample page.
Can I print my logo?
Yes. Dabund accepts OEM and ODM orders, including logo printing, brand marking, size printing, meter marking and customized packaging.
What payment terms are available?
Payment terms may include T/T, L/C at sight, credit card and other agreed payment methods depending on order details.
What delivery terms can you offer?
Dabund can offer common international trade terms such as EXW, FOB, CFR and CIF.
How long is your delivery time?
Normal delivery time is usually 15 to 20 days. For urgent orders, production and shipment can be arranged according to factory schedule.
