1/2" x 3/4" x 75 ft Insulated Copper Tubing for HVAC & Air Conditioning Systems

Need a reliable solution for long-distance HVAC installations? This 1/2" x 3/4" x 75 ft insulated copper tubing is engineered for superior performance, durability, and efficiency. Ideal for mini split systems, heat pumps, and central HVAC applications, it ensures stable refrigerant flow even in extended line runs.

Product Overview – 75 ft Pre-Insulated HVAC Copper Line Set

This high-performance copper tubing combines premium copper pipes with factory-applied insulation, delivering a ready-to-install solution for HVAC professionals.

• Liquid Line: 1/2 inch (12.7mm)

• Suction Line: 3/4 inch (19.05mm)

• Length: 75 ft (22.86 meters)

• Material: 99.9% pure copper

• Structure: Twin insulated copper pipes

Designed for long-distance installations, reducing the need for joints and minimizing leak risks.

Premium Copper Construction – Built for High-Performance HVAC Systems

99.9% Pure Copper Meets ASTM Standards

Manufactured using high-purity copper that complies with ASTM B280 and C12200 standards, ensuring:

• Excellent thermal conductivity

• Strong corrosion resistance

• Long service life

High Pressure Resistance for Modern Refrigerants

With a pressure rating of 2100–7000 PSI, this tubing easily supports modern refrigerants like R410A and R32.

Advanced Insulation Technology for Energy Efficiency

UV-Resistant & Weatherproof Insulation

The insulation is made of high-density polypropylene or rubber, offering:

• UV resistance for outdoor use

• Flame retardancy (UL94 compliant)

• Temperature range from -40℃ to 120℃

Triple-Layer Insulation Structure

• Outer Layer: UV-resistant PE film

• Middle Layer: IXPE foam for thermal insulation

• Inner Layer: Closed-cell airtight structure

This design ensures excellent thermal protection and long-term durability.

Key Benefits of 75 ft Insulated Copper Tubing

Ideal for Long Line Set Installations

The 75 ft length is perfect for:

• Rooftop HVAC units

• Multi-story buildings

• Large residential installations

Improved Energy Efficiency

Factory insulation minimizes heat exchange, helping maintain optimal refrigerant temperature and reducing energy consumption.

Reduced Installation Time & Labor

Pre-insulated tubing eliminates the need for additional wrapping, saving time and labor costs during installation.

Moisture & Condensation Protection

Closed-cell insulation prevents condensation, protecting walls and structures from water damage.

HVAC Applications – Wide System Compatibility

This insulated copper tubing is suitable for:

• Mini split air conditioners

• Heat pump systems

• Central air conditioning systems

• Refrigeration systems

Typically used for 3–6 ton HVAC systems (36,000–72,000 BTU) depending on configuration.

99.9% Pure Copper

Black Rubber Insulated Pipe

Plastic Cap

Features of pipe insulation tubing:

● Pipe Insulation, Material Black Rubber, Temp Range -40 Degrees to 120 Degrees.

● The pipe insulation has a better function of moisture condensation. Insulation material is both the insulation layer and moisture-proof layer.

● There is no need to drop the water vapor permeation protective layer so that it has a better moisture condensation function.

Technical Specifications

Customization & OEM Manufacturing Options

Looking to expand your HVAC brand?

We offer:

• Custom insulation colors (black / white)

• Logo printing on insulation

• Custom lengths and packaging

• OEM & ODM manufacturing services

Perfect for wholesalers, distributors, and contractors.

Why Choose DABUND Insulated Copper Tubing?

• Over 15 years of HVAC manufacturing experience

• In-house insulation production for consistent quality

• Strict compliance with international standards

• Competitive factory pricing

• Global export capability

DABUND delivers a one-stop HVAC solution for copper line sets and accessories.

Insulated Copper Tubing

1/4 + 3/8 Mini split line set used for 0.75TON - 1.0TON mini split air conditioner.

1/4 + 1/2 Insulated copper line set used for 1.5TON - 2.0TON mini split air conditioning.

1/4 + 5/8 Insulated copper piping used for 2.0TON - 2.5TON split air conditioner system.

3/8 + 5/8 Insulated copper tube apply for 3.0TON - 4.0TON ductless mini split air conditioner.

3/8 + 3/4 Insulated copper tubing used for 4.5TON - 6.0TON split air conditioner installation.

3/8 + 7/8 Insulated copper piping apply for 6.0TON - 8.0TON ductless mini split air conditioner.

Air conditioning copper line sets 1/4 + 3/8 used for 0.75P and 1P split air conditioning.

Copper pipe kit 1/4 + 1/2 commonly used for 1.5P and 2P mini split air conditioners.

1/4 + 5/8 Insulated copper line set used for 2P and 2.5air conditioner system.

3/8 + 5/8 Mini-split copper line set apply for 3P and 4P ductless mini split air conditioner.

3/8 + 3/4 Copper pipe kit used for 4.5P and 6P split aircon installation.

3/8 + 7/8 Insulated copper piping apply for 6P - 8p TON ductless mini split air conditioner.

1/4 + 3/8 Mini split line set used for 9000BTU and 12000 BTU split air conditioner.

Copper line set 1/4 + 1/2 commonly used for 12000 BTU and 18000 BTU mini split air conditioners.

1/4 + 5/8 Insulated copper line set used for 24000 BTU and 30000 BTU air conditioner system.

3/8 + 5/8 Mini-split line set apply for 36000 BTU and 48000 ductless air conditioner.

3/8 + 3/4 Insulated copper tubing used for 54000 BTU and 72000 split air conditioner installation.

3/8 + 7/8 Insulated Copper piping apply for 72000 BTU - 96000 BTU ductless mini split air conditioner.

Aircon copper line set 1/4 + 3/8 used for 9K and 12K split air conditioner.

High quality copper line set 1/4 + 1/2 commonly used for 12K and 18K mini split air conditioners.

1/4 + 5/8 Insulated copper line set used for 24K and 30K air conditioner system.

3/8 + 5/8 Mini-split line set apply for 36K and 48K ductless air conditioner.

3/8 + 3/4 Insulated copper tubing used for 54K and 72K split air conditioner installation.

3/8 + 7/8 Insulated copper pipe apply for 72K - 96K ductless mini split air conditioner.

Why Choose 1/2" x 3/4" x 75 ft Insulated Copper Tubing from DABUND PIPE

We are manufacturer of insulated copper tubing since 2008 years, have good experience of producing and exporting. We have cooperated 9 years forwarder, can guarantee the shipment. Every week we load at least 6-8 40HQ to different countries. Choose Dabund You will win the business.

Individual pre-insulated rolls to perfectly fit every ductless mini-splits, VRF, heat pumps and unitary systems installation.

Quality products with competitive pricing

Peace of mind with professional services

DABUND FACTORY

We produce Insulated Copper Pipe, Mini Split Line Set and Aluminum Pipe and HVAC Parts

SGS Certificate

Mini Split Line Set is made of Polypropylene or Black Rubber with UV Resistant, meets ASTM E 84, UL94, ASTM D1056 and ASTM G 21

Exhibition

We join the exhibitions all over the word, just to facilitate customers to experience our mini split line set face to face.

FAQ

1.What is a 1/2" x 3/4" x 75 ft insulated copper tubing used for?

This size is typically used for larger HVAC systems, including 3–6 ton air conditioning units. It connects indoor and outdoor units and ensures efficient refrigerant circulation over long distances.

2.Why choose a 75 ft copper line set instead of shorter lengths?

A 75 ft line set is ideal for installations where the indoor and outdoor units are far apart. It reduces the need for additional connections, lowering the risk of leaks and improving system reliability.

3.Is this insulated copper tubing compatible with R410A and R32 refrigerants?

Yes, it supports high-pressure refrigerants like R410A and R32 due to its strong pressure rating and compliance with HVAC standards.

4.What type of insulation is used in this product?

The insulation is typically made of UV-resistant polyethylene or rubber foam with a closed-cell structure, providing thermal insulation, moisture resistance, and durability.

5.Can this copper tubing be used outdoors?

Yes, the UV-resistant insulation makes it suitable for outdoor installations, protecting against sunlight, rain, and temperature fluctuations.

6. What are the advantages of pre-insulated copper tubing?

Pre-insulated tubing saves installation time, ensures consistent insulation quality, reduces energy loss, and prevents condensation issues.

7.Can I customize this insulated copper pipe for my business?

Yes, OEM and ODM services are available, including custom branding, insulation thickness, colors, and packaging.

8.How long does insulated copper tubing last?

With proper installation, it can last over 15–20 years due to its corrosion resistance and durable insulation materials.