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DBJ-003
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DABUND
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Copper
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1M - 50M
Material
Color
Keywords
Application
The premium-quality 100 ft 1/4" x 1/2" Pre-Insulated Copper Tube from DABUND is designed for professional HVAC installations, ductless mini split systems, heat pumps, and refrigeration applications. Manufactured using 99.9% pure copper and high-performance UV-resistant insulation, this HVAC copper line set delivers reliable refrigerant flow, energy efficiency, and long-lasting durability for residential and commercial air conditioning projects.
The Pre Insulated Copper Tube is twin already. So buy it now.
Professional 100 ft Copper Line Set for HVAC Applications
This 100 ft pre-insulated copper tube includes a 1/4" liquid line and 1/2" suction line, making it ideal for 1.5 TON to 2 TON mini split air conditioners and 12,000 BTU to 18,000 BTU HVAC systems. The long-length copper tubing provides flexible installation for projects requiring extended refrigerant piping between indoor and outdoor units.
Ideal for Residential and Commercial HVAC Systems
The insulated copper tubing is widely used for:
Ductless mini split systems
Heat pump installations
Central air conditioning systems
VRF and VRV systems
Refrigeration equipment
HVAC replacement projects
Its flexible design simplifies installation in homes, offices, apartments, and commercial buildings.
99.9% Pure Copper Tube Meets ASTM B280 Standards
Manufactured with 99.9% pure copper, this HVAC copper tube complies with ASTM B280 and C12200 standards for refrigeration-grade copper tubing. The seamless copper construction ensures stable refrigerant flow, high-pressure resistance, and excellent corrosion protection.
High Pressure Resistance for Modern Refrigerants
The copper tubing supports pressure ratings from 2100 PSI to 7000 PSI, making it suitable for modern refrigerants including:
R410A
R32
R22
This high-pressure performance helps reduce refrigerant leakage risks and improves long-term HVAC system reliability.
Factory Pre-Insulated Copper Tubing for Maximum Energy Efficiency
The copper line set comes pre-insulated with high-density closed-cell polyethylene foam insulation to minimize thermal loss and improve HVAC efficiency.
UV Resistant Polypropylene Insulation
The insulation material features:
UV resistance
Waterproof protection
Flame retardant performance
Excellent thermal insulation
Shock absorption
Sound insulation
The insulation meets ASTM E84, UL94, ASTM D1056, and ASTM G21 standards and operates in temperatures ranging from -40℃ to 120℃.
Three-Layer Insulation Structure
The insulated copper tube uses a durable three-layer design:
Outer Layer
Anti-aging embossed PE film with UV resistance and wear protection.
Middle Layer
IXPE foam structure providing thermal insulation and moisture resistance.
Inner Layer
Closed-cell insulation structure that improves air tightness and prevents water penetration.
This multi-layer insulation system helps maximize HVAC performance in demanding environments.
Flexible 100 ft Copper Tubing for Easy Installation
The 100 ft copper line set offers excellent flexibility for HVAC contractors and installers.
Reduced Refrigerant Leak Risk
Long continuous copper tubing reduces the need for additional fittings and couplings, minimizing refrigerant leak points during installation.
Simplifies Complex HVAC Projects
The flexible tubing can easily route through:
Walls
Ceilings
Crawl spaces
Attics
Commercial structures
This helps reduce installation time and labor costs for HVAC professionals.
Compatible with Mini Split and Heat Pump Systems
The 1/4" x 1/2" insulated copper line set is commonly used for:
1.5 TON mini split systems
2 TON ductless air conditioners
12K BTU mini split units
18K BTU heat pumps
It provides excellent refrigerant transfer efficiency for modern high-efficiency HVAC systems.

99.9% Pure Copper

White PE Insulated Pipe

Plastic Cap
Features of pipe insulation tubing:


Machines for the production of thermal insulation pipes

warehouse for insulation pipes

Inner Layer Insulated Pipe
DABUND OEM & Custom Copper Line Set Solutions
As a professional HVAC&R manufacturer since 2008, DABUND Official Website provides OEM and ODM customization services for HVAC wholesalers, distributors, and contractors worldwide.
Customized HVAC Copper Tubing Options
Available customization services include:
Custom insulation thickness
White or black insulation
Logo printing
Customized packaging
Meter marking printing
Custom copper tube lengths
DABUND can print your company name, size markings, and branding directly onto the insulation material.
Why Choose DABUND Pre-Insulated Copper Tubes
DABUND has extensive experience manufacturing HVAC copper products for global export markets.
Key Advantages of DABUND HVAC Copper Tubing
Professional HVAC manufacturer
ASTM B280 compliant products
Large-scale production capacity
Strict quality control
Competitive wholesale pricing
Fast international shipping
OEM & ODM support
The company exports HVAC copper line sets to North America, Europe, Southeast Asia, and other global markets.
Product Specifications of 100 ft 1/4" x 1/2" Pre-Insulated Copper Tube
Technical Specifications
Product Name: 100 ft 1/4" x 1/2" Pre-Insulated Copper Tube
Model: DBJ-003
Brand: DABUND
Material: 99.9% Pure Copper
Copper Standard: ASTM B280 & C12200
Insulation Material: High-density polyethylene foam
Length: 100 ft
Color Options: White / Black
Application: HVAC & Refrigeration
Working Temperature: -40℃ to 120℃
Pressure Rating: 2100 PSI – 7000 PSI

Pre Insulated Copper Tube
Size | Length | Insulation White PE | 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 |
1/4 + 3/8 Pre insulated copper tube used for 0.75TON - 1.0TON mini split air conditioner.
1/4 + 1/2 Mini split line set used for 1.5TON - 2.0TON mini split air conditioning.
1/4 + 5/8 Copper line set 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 pipe 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.
All 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 tube used for 54000 BTU and 72000 split air conditioner installation.
3/8 + 7/8 Insulated copper pipe 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 tube 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 100 ft 1/4" x 1/2" Pre Insulated Copper Tube from DABUND PIPE
We are manufacturer of Pre insulated copper pipe 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 100 ft 1/4" x 1/2" pre-insulated copper tube used for?
This insulated copper tubing is commonly used for ductless mini split air conditioners, heat pumps, central HVAC systems, and refrigeration applications. It transports refrigerant efficiently between indoor and outdoor HVAC units.
2.Does the copper tube meet ASTM standards?
Yes. The copper tubing complies with ASTM B280 and C12200 standards and is manufactured using 99.9% pure copper for HVAC and refrigeration systems.
3.Is the insulation UV resistant and waterproof?
Yes. The insulation uses UV-resistant polypropylene and high-density polyethylene foam with waterproof and flame-retardant properties.
4.What HVAC system size is suitable for 1/4" x 1/2" copper line sets?
This size is commonly used for 1.5 TON to 2 TON mini split air conditioners and 12,000 BTU to 18,000 BTU HVAC systems.
5.Can this insulated copper tubing support R410A refrigerant systems?
Yes. The copper tubing supports high-pressure refrigerants including R410A, R32, and R22 with pressure ratings up to 7000 PSI.
6.What are the advantages of pre-insulated copper tubing?
Pre-insulated copper tubing reduces thermal loss, improves HVAC efficiency, prevents condensation, and speeds up installation time for HVAC contractors.
7.Can DABUND provide OEM and customized packaging services?
Yes. DABUND offers OEM and ODM services including logo printing, custom packaging, customized insulation thickness, and branded insulation printing.
8.Why is 99.9% pure copper important for HVAC systems?
High-purity copper provides better thermal conductivity, improved corrosion resistance, and higher pressure durability, helping HVAC systems operate more efficiently and reliably.
9.Can this copper tubing be used for heat pumps and refrigeration systems?
Absolutely. The insulated copper tubing is suitable for heat pumps, refrigeration equipment, ductless mini split systems, and centralized air ducted HVAC units.
10.What makes DABUND copper line sets different from standard copper tubing?
DABUND insulated copper tubes feature factory-applied UV-resistant insulation, ASTM-certified copper, high-pressure resistance, and customizable OEM branding solutions for professional HVAC applications.

