30 ft 3/8″ x 7/8″ HVAC Line Set – Premium Copper AC Line Set for Air Conditioning & Refrigeration

HVAC Parts are produced by Dabund Pipe since 2008 years.

Product Overview: 30 ft 3/8″ x 7/8″ HVAC Line Set

Find 30 ft 3/8" x 7/8" HVAC line set air conditioner parts & accessories at Dabund Pipe. AC line set 3/8" 7/8" 1/2" black rubber insulation manufactured in Dabund Pipe. High quality copper pipe meets ASTM B280 & C12200.

Specifications & Technical Details

Key Features of 30 ft 3/8" x 7/8" HVAC Line Set

1. 3/8" x 7/8" is the out dimension in inch. 9.52mm - 22.22mm 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.

Material & Standards

Material: 99.9% Pure Copper, meets ASTM B280 & C12200 standards for HVAC tubing.

Dimensions & Compatibility

Outer diameters: 3/8″ liquid line + 7/8″ suction line (9.52 mm – 22.22 mm).

Length & Line Set Configuration

Total line length: 30 ft HVAC line set – suitable for split systems and standard installations.

Material & Standards

Material: 99.9% Pure Copper, meets ASTM B280 & C12200 standards for HVAC tubing. 

Dimensions & Compatibility

Outer diameters: 3/8″ liquid line + 7/8″ suction line (9.52 mm – 22.22 mm). 

Length & Line Set Configuration

Total line length: 30 ft HVAC line set – suitable for split systems and standard installations.

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.

Applications: HVAC, Air Conditioning & Refrigeration Systems

Ductless Mini-Split Air Conditioners

Ideal for connecting indoor/outdoor AC components on mini-split systems.

Heat Pumps & Centralized AC Units

Suitable for heat pump installations and centralized HVAC line connections.

HVAC Line Set 30 feet Long 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.

HVAC Line Set

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 HVAC line set 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 HVAC lineset 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 HVAC lineset used for 54K and 72K split air conditioner installation.

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

Why Choose HVAC Line Set from DABUND PIPE

We are manufacturer of HVAC lineset 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 a black rubber insulated pipe?

A black rubber insulated pipe is a copper or metal pipe covered with closed-cell black rubber insulation, typically made from elastomeric materials such as NBR or EPDM. It is designed to reduce heat transfer, prevent condensation, and protect piping systems in HVAC and refrigeration applications.

What are black rubber insulated pipes used for?

Black rubber insulated pipes are widely used in HVAC systems, air conditioning line sets, refrigeration piping, heat pumps, and chilled water systems. They are suitable for both residential and commercial installations where thermal efficiency and moisture control are critical.

What are the advantages of black rubber insulation?

Black rubber insulation offers excellent thermal resistance, strong flexibility, and superior moisture vapor resistance. It helps prevent energy loss, reduces condensation, minimizes corrosion under insulation, and maintains stable performance across a wide temperature range.

Is black rubber insulated pipe suitable for outdoor use?

Yes. High-quality black rubber insulated pipes are suitable for outdoor use when the insulation is UV-resistant or protected with an additional UV coating or sleeve. This prevents cracking, aging, and degradation caused by sunlight exposure.

What temperature range can black rubber insulated pipes handle?

Most black rubber insulated pipes operate effectively within a temperature range of approximately −40 °C to +120 °C. This wide range makes them ideal for both cooling and heating HVAC applications.

Does black rubber insulation help prevent condensation?

Yes. Closed-cell black rubber insulation has a low water vapor permeability, which significantly reduces condensation on cold pipes. This helps prevent dripping, mold growth, and moisture-related damage in HVAC systems.

What pipe sizes are available with black rubber insulation?

Black rubber insulated pipes are available in various diameters, commonly ranging from 1/4" to 7/8" and larger for commercial HVAC systems. They are often supplied as single pipes or paired line sets depending on system requirements.

Are black rubber insulated pipes compatible with modern refrigerants?

Yes. Black rubber insulated pipes are fully compatible with modern refrigerants used in HVAC systems, including R410A and R32, provided the copper pipe meets applicable industry standards such as ASTM B280.

How long does a black rubber insulated pipe last?

When properly installed and maintained, black rubber insulated pipes can last 20 years or more. The durability of elastomeric insulation helps protect the pipe from environmental stress, moisture, and mechanical damage.

Is black rubber insulated pipe easy to install?

Yes. Black rubber insulated pipes are flexible and easy to cut, bend, and route during installation. Pre-insulated designs reduce installation time and labor costs by eliminating the need for on-site insulation wrapping.

Can black rubber insulated pipes be customized?

Yes. Black rubber insulated pipes can be customized in terms of pipe diameter, insulation thickness, length, and packaging. OEM and private-label solutions are available for HVAC distributors and project-based applications.

Are black rubber insulated pipes environmentally friendly?

Many black rubber insulation materials are CFC-free and designed to meet modern environmental and safety standards. Their energy-saving properties also contribute to reduced overall energy consumption in HVAC systems.