HVAC Parts are produced by Dabund Pipe since 2008 years.
Black rubber 1/2" pre-insulated copper pipe - 1/2 in. x 3/4 in. x 50 ft. pre insulated copper pipe for HVAC parts - Seamless copper meets ASTM B280 and C12200. HVAC Parts are produced by Dabund Pipe since 2008 years.
Key Features & Specifications
High-Quality Copper Construction
Manufactured from **99.9% pure seamless copper** that meets ASTM B280 and C12200 standards, this pipe ensures excellent corrosion resistance and consistent refrigerant flow.:contentReference
Pre-Insulated for Thermal Efficiency
The pipe comes with **UV resistant polypropylene insulation** that meets industry standards including ASTM E84, UL94, ASTM D1056 and ASTM G21. Insulation helps maintain stable refrigerant temperature and prevents condensation in both hot and cold conditions (-40°C to 120°C).:contentReference
Wide Compatibility with HVAC Systems
This line set works seamlessly with a broad range of air conditioning and refrigeration systems, including ductless mini-split units, heat pumps, and centralized ducted systems.:contentReference
Robust Pressure Rating
Rated for **2100 to 7000 PSI**, it exceeds the standard pressure requirement for common refrigerants like R410A, making it reliable for heavy-duty HVAC installations.:contentReference
Customizable & OEM-Ready
Insulation can be printed with your company logo, size, and meter marks, supporting branding needs for OEM and wholesale orders.:contentReference
Benefits of Pre-Insulated Copper Pipe
Benefits of Using Pre-Insulated Copper Pipe in HVAC Systems
Pre-insulated copper line sets save installation time and reduce labor costs compared with on-site insulation. The closed-cell insulation prevents moisture condensation and enhances energy efficiency, contributing to improved system performance and reduced refrigerant loss. Designed to withstand harsh weather and UV exposure, these line sets also extend system lifespan and reduce maintenance needs.:contentReference
Application & Use Cases
Ideal for both residential and commercial HVAC and refrigeration applications, this pre-insulated copper pipe meets the requirements of ductless mini-split systems, multi-split outdoor units, heat pumps, and central air conditioning systems. It supports a range of line set sizes and installation standards across global markets.:contentReference
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.
![black rubber pipe]( "black rubber pipe")
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.
1/2 in. x 3/4 in. x 50 ft. Pre-insulated Copper Pipe for HVACR Applications Wholesaler & Supplier
DABUND PIPE in-house tested Pre-insulated copper pipe and tubing is designed to make installation simple and quick – saving you time and money on each job.
![Black rubber copper line set]( "Black rubber copper line set")
Pre-insulated Copper Pipe
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 |
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 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 pipe 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 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.
About DABUND & Quality Assurance
DABUND has been producing premium HVAC components since 2008, backed by factory testing and certifications. Each pre-insulated copper pipe undergoes rigorous quality control and comes with competitive pricing, dependable service, and export expertise. Our line sets are designed to save time and money on every job and ensure peace of mind for installers and end users.:contentReference
DABUND FACTORY
We produce Insulated Copper Pipe, Mini Split Line Set and Aluminum Pipe and HVAC Parts
![DABUND FACTORY COPPER LINE SET PACKAGE]( "DABUND FACTORY COPPER LINE SET PACKAGE")
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
![证书]( "证书")
Exhibition
We join the exhibitions all over the word, just to facilitate customers to experience our mini split line set face to face.
![AHR EXPO]( "AHR EXPO")
FAQ
What is a Pre-insulated Copper Pipe?
A pre-insulated copper pipe is a copper tube that comes factory-wrapped with high-quality thermal insulation. It is widely used in HVAC and mini split air conditioning systems to connect indoor and outdoor units while reducing heat loss, condensation, and energy waste.
What is a Pre-insulated Copper Pipe Used For?
Pre-insulated copper pipes are mainly used for:
Mini split air conditioner installations
Residential and commercial HVAC systems
Heat pump refrigerant line connections
VRF and split AC systems
They are ideal for refrigerant gas and liquid lines where thermal efficiency and moisture protection are critical.
What Are the Advantages of Pre-insulated Copper Pipes?
Pre-insulated copper pipes offer several key benefits:
Excellent thermal insulation to minimize energy loss
Prevents condensation and water dripping
Corrosion-resistant and long service life
Faster installation with reduced labor cost
Clean and professional appearance
These advantages make them superior to non-insulated or field-insulated copper tubing.
What Insulation Material Is Used on Pre-insulated Copper Pipes?
Most pre-insulated copper pipes use closed-cell polyethylene (PE) or rubber foam insulation, which provides:
Strong resistance to moisture and UV exposure
Flexible structure for easy bending
Stable performance under temperature changes
Compliance with HVAC insulation standards
What Sizes Are Available for Pre-insulated Copper Pipes?
Common sizes include:
1/4" & 3/8"
1/4" & 1/2"
3/8" & 5/8"
1/2" & 3/4"
Lengths are typically available in 15 ft, 25 ft, 30 ft, 50 ft, and custom lengths, suitable for most mini split and HVAC installations.
Are Pre-insulated Copper Pipes Suitable for Mini Split AC Systems?
Yes. Pre-insulated copper pipes are specifically designed for mini split air conditioners. They meet the pressure and cleanliness requirements for refrigerants such as R410A and R32, ensuring safe and efficient system performance.
Can Pre-insulated Copper Pipes Be Used Outdoors?
Yes. High-quality pre-insulated copper pipes are suitable for both indoor and outdoor installations. UV-resistant outer layers protect the insulation from sunlight, rain, and environmental damage when installed outdoors.
Do Pre-insulated Copper Pipes Prevent Condensation?
Yes. The factory-applied insulation effectively prevents condensation by maintaining the pipe surface temperature above the dew point. This helps avoid water damage, mold growth, and reduced system efficiency.
Are Pre-insulated Copper Pipes Easy to Install?
Pre-insulated copper pipes are designed for quick and easy installation:
Flexible insulation allows smooth bending
No need for additional insulation wrapping
Saves installation time and labor cost
They are ideal for professional installers and DIY mini split installations.
Are Pre-insulated Copper Pipes Compatible with R410A and R32 Refrigerants?
Yes. Pre-insulated copper pipes are manufactured to withstand high pressure and are fully compatible with R410A, R32, and other modern refrigerants commonly used in HVAC and mini split systems.
Can Pre-insulated Copper Pipes Be Customized?
Yes. Many manufacturers offer customization options, including:
This makes them suitable for distributors, wholesalers, and HVAC brands.
Why Choose Pre-insulated Copper Pipes Over Non-insulated Copper Tubes?
Compared to non-insulated copper tubes, pre-insulated copper pipes:
Improve system energy efficiency
Reduce installation errors
Offer better moisture and thermal protection
Provide a cleaner and more professional finish
They are a cost-effective solution for long-term HVAC performance.
