3/8" x 5/8" x 100 ft Pre-Insulated Copper Pipe for HVAC Systems | Mini Split & Refrigeration Line Set Supplier

Looking for a reliable long-distance HVAC line set? This 100 ft pre-insulated copper pipe (3/8" + 5/8") is engineered for high-efficiency refrigerant flow, superior insulation performance, and professional-grade installations. Ideal for contractors, distributors, and large HVAC projects requiring extended piping runs.

High-Performance HVAC Copper Line Set for Long-Distance Installations

Designed for demanding HVAC systems, this 100 ft insulated copper tubing supports:

• Ductless mini split systems

• Heat pump installations

• Central air conditioning systems

• Commercial refrigeration applications

Its extended length reduces the need for joints, minimizing leakage risks and improving system reliability.

Premium 99.9% Pure Copper – ASTM B280 Certified

Manufactured using C12200 phosphorus-deoxidized copper, this line set ensures:

• Excellent thermal conductivity

• High pressure resistance (2100–7000 PSI)

• Superior corrosion resistance

• Long service life

Fully compliant with ASTM B280 standards, ensuring safe and efficient refrigerant transport.

3/8" + 5/8" Line Set – Ideal for 3–4 Ton HVAC Systems

This size combination is commonly used for:

• 3 Ton – 4 Ton air conditioners

• Large-capacity ductless mini splits

• VRF and commercial HVAC systems

It provides optimal refrigerant flow balance between liquid and suction lines.

Advanced UV-Resistant Insulation for Energy Efficiency

The insulation layer is made of high-quality polypropylene (PE) or rubber material, offering:

• UV resistance for outdoor durability

• Fire resistance (ASTM E84, UL94 compliant)

• Anti-aging performance

• Moisture and condensation protection

Working temperature range: -40°C to 120°C, ensuring stable performance in extreme environments.

Multi-Layer Insulation Structure for Maximum Protection

This HVAC copper pipe features a high-performance insulation system:

• Outer Layer: UV-resistant protective coating

• Middle Layer: High-density foam insulation

• Inner Layer: Closed-cell barrier for thermal retention

This structure enhances energy efficiency while protecting the copper tubing from environmental damage.

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.

Excellent Heat Preservation Insulation: The high density and closed structure of selected raw material has the ability of low thermal conductivity and stable temperature，so the inside of the copper liquid pipe will not be affected even if the weather is frozen outside

Eco-friendly Material: The environmental friendly raw material has no stimulation and pollution, it can avoid the mold growth and mouse biting; The material has the effection of corrosion-resistant, acid and alkali, it can increase the life of using

Excellent Flame Retardant Properties: The material contains a large amount of flame-retardant cigarette raw materials, and the bath fire is not easy to burn and melt, the range of Using temperature is from -40℃ to 120℃

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.

The pipe insulation has many functions such as Heat Preservation Ability, Environmental pollution free, Good flame retardant properties and so on. Besides, it can make your home more tidy and protect the copper pipe in summer.

The pipe insulation has many functions such as Heat Preservation Ability, Environmental pollution free, Good flame retardant properties and so on. Besides, it can make your home more tidy and protect the water pipe whenever summer or copper pipe.

3/8 in. x 5/8 in. x 100 ft. Pre-insulated Copper Pipe for HVACR Applications Wholesaler & Supplier

DABUND PIPE in-house tested Pre-insulate copper pipe and tubing is designed to make installation simple and quick – saving you time and money on each job.

Pre-insulated Copper Pipe

1/4 + 3/8 Pre-insulated copper pipe 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 Pre-insulated copper pipe 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 Pre-insulated copper pipe 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.

Wide Range of Sizes & Custom Length Options Available

In addition to 3/8" + 5/8", available sizes include:

• 1/4" + 3/8"

• 1/4" + 1/2"

• 1/4" + 5/8"

• 3/8" + 3/4"

• 3/8" + 7/8"

Lengths can be customized from 15m to 50m+, making it flexible for different HVAC project requirements.

High Pressure Rating for Modern Refrigerants (R410A Compatible)

With a pressure rating up to 7000 PSI, this insulated copper pipe easily exceeds standard HVAC requirements (typically ~700 PSI for R410A), ensuring safe operation under high-pressure conditions.

Factory Direct OEM/ODM HVAC Copper Pipe Manufacturer

This product is manufactured by an experienced HVAC factory offering:

• Custom branding & logo printing

• Tailored insulation thickness

• Private label packaging

• Bulk order supply solutions

Perfect for wholesalers, distributors, and HVAC contractors looking to scale their business.

Why Choose This 100 ft Insulated Copper Pipe

• Seamless copper tubing for leak-free performance

• Long continuous length reduces installation joints

• High-quality insulation improves energy efficiency

• Suitable for residential & commercial HVAC systems

• Competitive factory pricing with global export support

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 3/8" x 5/8" insulated copper pipe used for?

This type of HVAC copper line set is typically used for 3–4 ton air conditioning systems, including ductless mini splits, heat pumps, and commercial HVAC installations.

2.Why choose a 100 ft pre-insulated copper pipe?

A 100 ft line set is ideal for long-distance installations, reducing the need for connectors and minimizing refrigerant leakage risks while improving system efficiency.

3.What standards should HVAC copper tubing meet?

High-quality HVAC copper pipes should comply with:

• ASTM B280 (ACR copper tubing)

• ASTM E84 (fire resistance)

• UL94 (flame rating)

These ensure safety, durability, and performance.

4.Is insulation necessary for copper pipes in HVAC systems?

Yes, insulation prevents energy loss, reduces condensation, and protects the pipe from environmental damage, significantly improving HVAC efficiency.

5.What is the advantage of 99.9% pure copper in HVAC systems?

High-purity copper offers better thermal conductivity, corrosion resistance, and durability, ensuring stable and efficient refrigerant flow.

6.Can I customize the insulated copper pipe?

Yes, most manufacturers offer OEM/ODM services, including:

• Custom lengths

• Insulation thickness

• Branding and packaging

7.What is the temperature range of insulated copper pipes?

Typically, high-quality insulated copper pipes operate between -40°C and 120°C, making them suitable for extreme climates.

8.Is this copper pipe compatible with R410A refrigerant?

Yes, with pressure ratings up to 7000 PSI, it is fully compatible with modern refrigerants like R410A.

9.How long does an HVAC insulated copper pipe last?

With proper installation and maintenance, it can last 15–20 years or more, depending on environmental conditions.

10.How to choose the right HVAC copper pipe supplier?

Key factors include:

• Manufacturing experience

• Certifications

• Customization capability

• Production capacity

• Export experience