1/2 in. x 3/4 in. x 82 ft. Pre Insulated Copper Tubing

HVAC Parts are produced by Dabund Pipe since 2008 years.

1/2 in. x 3/4 in. x 82 ft. Pre insulated copper tubing line set. Easy to be installed. Black rubber insulation 1/2" has good flame retardant performance, up to 120℃ and suitable for any construction.

Key Features of 1/2 in. x 3/4 in. x 82 ft. Pre Insulated Copper Tubing

1. 1/2" x 3/4" is the out dimension in inch. 12.7mm - 19.05mm is the out dimension in metric.

2. 99.9% Pure copper pipe meets ASTM B280 and C12200 standard.

3. AC Copper Size what we can do have following 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1 1/8", length can do 15m 20m 25m 30m 50m.

4. Insulation is made of 1/2" Polypropylene & UV Resistant, meets ASTM E 84, UL94, ASTM D1056 and ASTM G 21. Working temperature from -40℃ to 120℃.

5. Works for every Air Conditioning & Refrigeration Application including Ductless mini-split, heat pump and Centralized Air Ducted Units.

6. Pressure Rating: 2100 to 7000 PSI, much more than required 700 PSI for R410.

7. Insulation we produce by ourself, can print your company name, size, meters etc.

Copper Tube: ASTM B280 & C12200 DHP

Insulation: High density closed cells polyethylene foam

Working Temperature: meets/exceeds ASTM C 1427-07

Surface burning characteristics: UL 94, top-rated for Surface Burning Characteristics – UL 723 Flame and Spread Index less than 25 and Smoke Development Index less than 50

Meets ASTM E84 for smoke and fire (25/50)

Superior tear resistance, UV resistant

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.

1/2 in. x 3/4 in. x 82 ft. Pre Insulated Copper Tubing for HVACR Applications Wholesaler & Supplier

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

Pre Insulated Copper Tubing

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 tubing 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 Pre 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.

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 tubing used for 54000 BTU and 72000 split air conditioner installation.

3/8 + 7/8 Insulated Copper Pipe 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 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 in. x 3/4 in. x 82 ft. Pre Insulated Copper Tubing from DABUND PIPE

We are manufacturer of Pre 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

### What is an HVAC Line Set?

An HVAC line set is a pair of copper tubes used to connect an air conditioner or heat pump’s indoor evaporator coil to the outdoor condenser unit. It typically includes a liquid line and a suction line, which work together to transport refrigerant efficiently throughout the HVAC system.

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### What does an HVAC line set include?

An HVAC line set usually includes:

• One smaller liquid copper line

• One larger suction copper line
  Some line sets also come pre-insulated to prevent energy loss and condensation, improving system efficiency and performance.

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### What sizes are available for HVAC line sets?

HVAC line sets are available in multiple diameter combinations, such as:

• 1/4" x 3/8"

• 1/4" x 1/2"

• 3/8" x 5/8"

• 1/2" x 3/4"

The correct size depends on the BTU rating, refrigerant type, and manufacturer specifications of your HVAC system.

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### Why is pre-insulated HVAC line set important?

Pre-insulated HVAC line sets help:

• Reduce energy loss

• Prevent condensation and moisture damage

• Improve overall HVAC efficiency

• Extend system lifespan

They are especially recommended for outdoor installations, long runs, and high-humidity environments.

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### Can HVAC line sets be used for mini split systems?

Yes, HVAC line sets are commonly used for ductless mini split air conditioners and heat pumps. Selecting the correct diameter and length ensures proper refrigerant flow and optimal system performance.

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### How do I choose the correct HVAC line set for my system?

To choose the correct HVAC line set, consider:

• HVAC unit capacity (BTU)

• Required copper line diameters

• Total installation length

• Whether insulation is needed

• Compatibility with refrigerants like R410A or R32

Always follow the HVAC manufacturer’s guidelines.

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### Are HVAC line sets suitable for residential and commercial use?

Yes, HVAC line sets are designed for both residential and commercial HVAC applications, including air conditioners, heat pumps, refrigeration systems, and mini split installations.

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### What materials are HVAC line sets made of?

Most HVAC line sets are made from high-quality seamless copper tubing, which offers:

• Excellent thermal conductivity

• Corrosion resistance

• Long-term durability

• Compliance with HVAC industry standards

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### How long do HVAC line sets last?

When properly installed and insulated, HVAC line sets can last 20–30 years or longer. Regular maintenance and correct sizing significantly extend their service life.

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### Can HVAC line sets improve energy efficiency?

Yes. Properly sized and insulated HVAC line sets reduce refrigerant loss and heat transfer inefficiencies, helping lower energy consumption and improve system performance.