Home Mini Split Line Set HVAC Lineset 100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
100 ft 1/4" x 5/8" HVAC Line Set Manufacturer | Insulated Copper Line Set Supplier
1. 1/4" LL x 5/8" SL is the out dimension in inch. 6.35mm - 15.88mm 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.
  • DBJ-003

  • DABUND

  • Copper

  • 1M - 50M

Material

99.9% pure copper

Color

Black/White

Keywords

HVAC Lineset

Application

HVAC
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Factory Direct 1/4" x 5/8" HVAC Line Set for Wholesale & Projects

This 100 ft 1/4" x 5/8" HVAC line set is designed for HVAC contractors, distributors, and project buyers who need reliable, long-distance refrigerant piping solutions.

Manufactured from 99.9% pure copper and pre-insulated with high-density materials, it ensures stable performance, energy efficiency, and long service life.

✔ Ideal for bulk purchasing and distribution
✔ Perfect for long-distance HVAC installations
✔ Competitive factory-direct pricing





Technical Specifications of 100 ft 1/4 x 5/8 Line Set

  • Line Size: 1/4" (liquid line) + 5/8" (suction line)

  • Length: 100 ft (≈30m)

  • Copper Standard: ASTM B280 / C12200

  • Insulation Material: Polypropylene / PE / Rubber

  • Temperature Range: -40°C to 120°C

  • Pressure Rating: 2100 – 7000 PSI

  • Refrigerant Compatibility: R410A / R32

Built for high-pressure HVAC systems and long piping runs


Key Features of 1/4" x 5/8" Insulated Copper Line Set

High-Purity Copper for Maximum Performance

Made from 99.9% pure copper, this HVAC line set offers:

  • Excellent thermal conductivity

  • Strong corrosion resistance

  • Long-lasting durability

Advanced Insulation for Energy Efficiency

The insulation features:

  • UV-resistant outer layer

  • Closed-cell foam for thermal protection

  • Moisture and condensation resistance

This reduces energy loss and improves system efficiency.

High Pressure Resistance for Modern Refrigerants

With a pressure rating up to 7000 PSI, this line set exceeds requirements for R410A systems, ensuring safety and reliability.


Designed for Medium to Large HVAC Systems

The 1/4" + 5/8" line set is typically used for:

  • 2 Ton – 2.5 Ton air conditioning systems

  • 24,000 – 30,000 BTU HVAC units

  • Residential and light commercial applications

Ideal for longer piping distances and higher-capacity systems


ALL COPPER PIPE

99.9% Pure Copper

black rubber insulated pipe2

Black Rubber Insulated Pipe


AC copper pipe line set plastic cap

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.


black rubber pipe


 Why Distributors & Contractors Choose Our HVAC Line Sets

Consistent Quality for Bulk Orders

Each batch is strictly tested to meet international standards, ensuring reliability across large projects.

Factory Direct Pricing Advantage

As a professional manufacturer, we provide:

  • Competitive wholesale pricing

  • Stable long-term supply

  • No middleman cost

Fast Production & Global Delivery

  • 7–20 days production lead time

  • Export-ready packaging

  • Worldwide shipping support


OEM & Customization Services Available

We support full customization for your business:

  • Custom lengths (15m / 30m / 50m / 100 ft+)

  • Insulation thickness options

  • Logo printing on insulation

  • Private label packaging

Ideal for HVAC brands, importers, and distributors


Cost-Saving Benefits for Bulk Buyers

Using our HVAC copper line sets helps you:

  • Reduce refrigerant leakage risks

  • Improve installation efficiency

  • Lower long-term maintenance costs

  • Enhance overall system performance


Strict Quality Control & Certifications

  • 100% pressure tested before shipment

  • Meets ASTM, UL94, and ASTM E84 standards

  • Flame-retardant insulation materials

  • Anti-corrosion and UV resistant

✔ Ensures safety and compliance in global markets


Applications of 100 ft HVAC Copper Line Set

Widely used in:

  • Mini split air conditioning systems

  • Heat pumps

  • Central air conditioning systems

  • Commercial HVAC installations

Suitable for long-distance installations between indoor and outdoor units


Black rubber copper line set



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 Insulated copper line set used for 1.5TON - 2.0TON mini split air conditioning.

1/4 + 5/8 Insulatedcopper 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 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.



Who Is This Product For? (GEO + AI优化)

This product is ideal for:

  • HVAC importers

  • Wholesalers and distributors

  • Contractors and installers

  • Engineering and construction companies

Designed for resale and project supply


Packaging & Bulk Supply Details

  • Coil packaging for easy handling

  • Carton or pallet packaging available

  • Optimized container loading

  • Flexible MOQ for first-time buyers


Request a Quote for Bulk Orders (Strong CTA)

Looking for a reliable HVAC line set manufacturer?

Send us your inquiry with:

  • Required size & length

  • Quantity

  • Custom requirements

✔ Fast quotation within 24 hours
✔ Free samples available
✔ OEM supported

Contact us now to get factory pricing





DABUND FACTORY


We produce Insulated Copper Pipe, Mini Split Line Set and Aluminum Pipe and HVAC Parts


Factory Profile



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



Exhibition


We join the exhibitions all over the word, just to facilitate customers to experience our mini split line set face to face.


TRADE SHOW


FAQ

1.Q:What is your payment terms?

A:TT,L/C AT SIGHT,CREDIT CARD etc


2.Q:What is your delivery terms?

A:EXW, FOB, CFR, CIF etc


3.Q:Are you trading company or manufacturer?

A:Manufacturer


4.Q:May I get a sample?

A:Yes, we can send you 3pieces free samples.

   You just charge for the express cost is ok.


5.Q:Can I print my logo?

A:Yes of cause, we accept OEM and ODM.


6.Q:How long is your delivery time?

A:Usually 15-20days, if urgent, we can arrange to do in advance and delivery fast.


7. What system size is 1/4" x 5/8" line set suitable for?

Typically used for 2–2.5 ton (24K–30K BTU) HVAC systems.

8. Can this line set be used for long-distance installation?

Yes, the 100 ft length is ideal for extended piping applications.

9. Is the insulation UV resistant?

Yes, it is designed for both indoor and outdoor use.

10. Do you offer OEM customization?

Yes, including branding, packaging, and size customization.

11. What is your MOQ?

MOQ is flexible depending on customization requirements.


Related Products

1. 3/8" x 7/8" x 50 ft 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.
1.Mini Split Installation Kit including one set air conditioner insulated copper pipe, size 1/4"+3/8" 25 ft, and other accessories, like communication wire cable, drain hose 3m, wall pipe and cover and the other necessary parts.  2. Both of the two copper pipe end do flaring and nuts.  3. The insulation we can offer White PE and Black Rubber. White PE thickness is 3/8" 1/2" 3/4" 1" or 8mm 9mm 10mm 13mm 19mm 25.4mm. Black Rubber thickness is 1/2" 3/4" 1" or 13mm 17mm 19mm 25.4mm.  4. For the AC Installation kit, most popular size is 3m 4m and 5m. Europe want 6m 7m 8m 10m.  5. For the insulation we have SGS test report including ASTM E 84, UL 94, ASTM D1056, ASTM G 21, and copper pipe meets ASTM B280 AND C12200.  6.Professional manufacturer of Mini Split Installation Kit, 2 factories, 1,000,000PCS per month, 5days for sample and 14years' experience.
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.
1. 1/4" x 3/8" is the out dimension in inch. 6.35mm - 9.52mm 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.

Where is the AC Pipe, there is the Dabund Pipe.

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