-
DBJ-003
-
DABUND
-
Copper
-
1M - 50M
Material
Color
Keywords
Application
1/2" x 3/4" x 82 ft Insulated Copper Tubing
The 1/2" x 3/4" x 82 ft insulated copper tubing is a heavy-duty HVAC refrigerant line set designed for mini split systems, ductless heat pumps, centralized air conditioning units and refrigeration applications.
This seamless copper tubing line set includes 1/2" and 3/4" copper tubes with factory-applied black rubber insulation, helping deliver stable refrigerant flow, thermal efficiency, condensation control and long-term installation reliability.
Dabund Pipe has produced HVAC parts since 2008, supplying insulated copper tubing, mini split line sets, copper pipe kits and HVAC installation accessories for contractors, wholesalers, distributors, importers and OEM private-label buyers.
Product Overview: 82 ft HVAC Insulated Copper Tubing Line Set
The 1/2" x 3/4" x 82 ft insulated copper tubing is built for HVAC installations that require a longer refrigerant line route between indoor and outdoor units.
The 82 ft length supports extended HVAC layouts, larger split AC systems, ductless mini split systems and heat pump installations where shorter line sets may not provide enough reach.
Key Features of 1/2" x 3/4" x 82 ft Insulated Copper Tubing
82 ft insulated copper tubing line set for HVAC and refrigeration applications.
1/2" x 3/4" copper tube dimensions, equal to 12.7 mm x 19.05 mm outside diameter.
99.9% pure seamless copper pipe supports stable refrigerant flow.
Copper tube can meet ASTM B280 and C12200 DHP standards.
Factory-applied black rubber insulation helps reduce heat transfer and condensation.
Working temperature range from -40℃ to 120℃.
Pressure rating options from 2100 PSI to 7000 PSI for high-pressure HVAC systems.
Suitable for ductless mini split, heat pump, centralized air ducted units and refrigeration systems.
Insulation can be printed with company name, size, meter marks and OEM branding.
Technical Specifications
| Specification | Detail |
| Product Name | 1/2" x 3/4" x 82 ft Insulated Copper Tubing |
| Length | 82 ft / approx. 25 m |
| Line Size | 1/2" x 3/4" |
| Metric Size | 12.7 mm x 19.05 mm |
| Copper Material | 99.9% pure seamless copper tubing |
| Copper Standard | ASTM B280 and C12200 DHP options |
| Insulation | Black rubber insulation / polypropylene insulation options |
| Insulation Thickness | 1/2" standard option; custom thickness available |
| Temperature Range | -40℃ to 120℃ |
| Pressure Rating | 2100 PSI to 7000 PSI options |
| Compatible Refrigerants | R410A, R32 and similar HVAC refrigerants when installed correctly |
| Applications | Mini split AC, heat pump, ducted AC, HVACR and refrigeration systems |
Copper Tube: ASTM B280 and C12200 DHP
99.9% Pure Copper Construction
The tubing is manufactured from 99.9% pure copper to support excellent heat transfer, corrosion resistance, pressure performance and long service life in HVAC refrigerant line applications.
Seamless Copper Tube for HVACR Systems
Seamless copper tubing helps maintain stable refrigerant circulation and reduces weak points in the refrigerant line, making it suitable for mini split, heat pump and centralized air conditioning systems.
High Pressure Rating for Modern Refrigerants
Pressure rating options from 2100 PSI to 7000 PSI support demanding HVAC applications, including systems using high-pressure refrigerants such as R410A and R32 when installed according to system requirements.
Insulation Performance
The insulation is designed to protect the copper tubing from heat gain, heat loss, surface condensation, UV exposure and outdoor environmental wear.
High-density closed-cell insulation helps reduce thermal conductivity.
Moisture-resistant structure helps prevent condensation and pipe sweating.
UV-resistant surface supports outdoor HVAC line runs.
Insulation options can meet ASTM E84, UL94, ASTM D1056 and ASTM G21 requirements.
Working temperature range supports -40℃ to 120℃ HVAC applications.

99.9% Pure Copper

Black Rubber Insulated Pipe

Plastic Cap Protection
Black Rubber Pipe Insulation Features
Pipe insulation material: black rubber.
Temperature range from -40℃ to 120℃.
Closed-cell structure helps reduce moisture condensation.
Insulation material works as both a thermal insulation layer and moisture-proof layer.
No additional water vapor permeation protective layer is required in many standard installations.
Helps protect copper pipe from heat transfer, moisture, abrasion and outdoor exposure.

Key Benefits of 82 ft Insulated Copper Tubing
Excellent Heat Preservation
High-density closed-cell insulation helps maintain refrigerant temperature stability and reduce heat transfer during cooling and heating operation.
Condensation Control
The insulation layer helps prevent surface condensation, dripping and moisture damage around walls, ceilings and building materials.
Long-Reach HVAC Installation
The 82 ft length is suitable for larger projects, longer indoor-to-outdoor unit distances and installations where flexible routing is required.
OEM Branding Support
Dabund can print company name, pipe size, meter marks and private-label branding on insulation for distributors and HVAC supply brands.
1/2" x 3/4" x 82 ft Insulated Copper Tubing for HVACR Wholesalers
Dabund Pipe in-house tested insulated copper tubing is designed to make HVAC installation simple and quick, helping contractors reduce field labor and improve project consistency.
For distributors, importers and private-label HVAC brands, Dabund supports custom length, insulation thickness, product marking, logo printing, bulk production and export packaging.

Insulated Copper Tubing Size Options
| Size | Length | Insulation Black Rubber | Flame Resistant |
| 1/4 + 3/8 | 15m / 20m / 25m / 30m / 50m | 8mm / 9mm / 10mm / 13mm / 19mm / 25.4mm | M1 / B1 |
| 1/4 + 1/2 | 15m / 20m / 25m / 30m / 50m | 8mm / 9mm / 10mm / 13mm / 19mm / 25.4mm | M1 / B1 |
| 1/4 + 5/8 | 15m / 20m / 25m / 30m / 50m | 8mm / 9mm / 10mm / 13mm / 19mm / 25.4mm | M1 / B1 |
| 3/8 + 5/8 | 15m / 20m / 25m / 30m / 50m | 8mm / 9mm / 10mm / 13mm / 19mm / 25.4mm | M1 / B1 |
| 3/8 + 3/4 | 15m / 20m / 25m / 30m / 50m | 8mm / 9mm / 10mm / 13mm / 19mm / 25.4mm | M1 / B1 |
| 1/2 + 3/4 | 15m / 20m / 25m / 30m / 50m | 8mm / 9mm / 10mm / 13mm / 19mm / 25.4mm | M1 / B1 |
| 3/8 + 7/8 | 15m / 20m / 25m / 30m / 50m | 8mm / 9mm / 10mm / 13mm / 19mm / 25.4mm | 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 |
| 1/2 + 3/4 | Larger HVAC systems | Varies by equipment model | Heat pump, ducted AC and refrigeration systems |
| 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 tubing is commonly used for larger HVAC systems. Final line sizing must always follow the HVAC equipment manufacturer’s installation manual.
Why Choose 1/2" x 3/4" x 82 ft Insulated Copper Tubing from Dabund?
Manufacturer Experience Since 2008
Dabund has produced insulated copper tubing and HVAC installation parts since 2008, supporting customers with manufacturing, export packaging and global shipment experience.
Individual Pre-Insulated Rolls
Individual pre-insulated rolls are designed to fit ductless mini splits, VRF systems, heat pumps and unitary system installations.
Competitive Supply for B2B Buyers
Dabund supports HVAC contractors, distributors, wholesalers and private-label brands with stable production, competitive pricing and professional export 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 tubing products to customers face to face.

FAQ
What is 1/2" x 3/4" x 82 ft insulated copper tubing used for?
It is used as a pre-insulated HVAC refrigerant line set for mini split systems, heat pumps, centralized ducted AC units and refrigeration applications.
What does 1/2" x 3/4" mean?
It refers to the outside diameter of the two copper tubes. The metric size is approximately 12.7 mm x 19.05 mm.
Is this insulated copper tubing suitable for mini split systems?
Yes. It can be used for compatible mini split and ductless HVAC systems when the equipment manufacturer specifies 1/2" x 3/4" refrigerant lines.
Is this tubing compatible with R410A and R32 refrigerants?
Yes. It can support R410A, R32 and similar HVAC refrigerants when the copper tubing pressure rating and installation method match system requirements.
What standards can the copper tube meet?
The copper tube can meet ASTM B280 and C12200 DHP standards for HVAC and refrigeration line applications.
What insulation material is used?
The product can use black rubber insulation, polypropylene insulation or other customized insulation options based on buyer requirements.
Can the insulation be printed with our brand?
Yes. Dabund can print company name, product size, meter marks and logo information on the insulation for OEM and private-label orders.
Is this insulated copper tubing suitable for outdoor use?
Yes. UV-resistant insulation supports many indoor and outdoor HVAC line runs when installed correctly and protected according to project requirements.
Can Dabund customize this insulated copper tubing?
Yes. Dabund can customize copper size, line length, insulation thickness, insulation material, product marking, logo printing and packaging.
Are you a trading company or manufacturer?
Dabund is a manufacturer of insulated copper tubing, mini split line sets, aluminum pipe and HVAC installation 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.

