Home Mini Split Line Set Mini Split Line Set 75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
1. 3/8" x 5/8" is the out dimension in inch. 9.52mm - 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

  • 75 ft 3/8″ x 5/8″

Material

99.9% pure copper

Color

Black/White

Keywords

Mini Split Line Set

Application

HVAC
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Product Overview: 75 ft 3/8″ x 5/8″ Mini-Split Long Line Set

HVAC Parts are produced by Dabund Pipe since 2008 years.


Get free sample on qualified 75 ft 3/8" x 5/8" Mini Split Long Line Set. AC copper line set are made up of two copper pipes that meets ASTM B280 & C12200. White Insulation with UL94, ASTM E 84, ASTM D1056 and ASTM G 21 standard, up to 120℃ and suitable for any construction.


The Mini Split Long Line Set is twin already. So buy it now.

Machines for the production of thermal insulation pipes
Machines for the production of thermal insulation pipes
warehouse for insulation pipes
Warehouse for insulation pipes
Inner Layer Insulated Pipe
Inner Layer Insulated Pipe

Key Features of 100 ft 3/8" x 5/8" Mini Split Long Line Set

99.9% Pure Copper

99.9% Pure Copper

White PE Insulated Pipe

White PE Insulated Pipe

Plastic Cap

Plastic Cap

01

Dual Dimension Standards (Inch & Metric Sizes)

3/8" x 5/8" is the out dimension in inch. 9.52mm - 15.88mm is the out dimension in metric.

02

99.9% Pure Copper with ASTM Compliance

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

03

Wide Range of Sizes and Length Options

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.

04

UV-Resistant Insulation with Wide Temperature Range

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℃.

05

Compatible with All HVAC & Refrigeration Systems

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

06

High Pressure Rating for R410A Systems

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

07

Customizable Insulation with OEM Printing Support

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

Specifications & Industry Standards of 100 ft 3/8" x 5/8" Mini Split Long Line Set

Product Name75 ft 3/8″ x 5/8″ Mini-Split Long Line Set – Insulated Copper HVAC Line Set
MaterialsHigh-Purity Copper Tubing
InsulationHigh density closed cells polyethylene foam
Working Temperaturemeets/exceeds ASTM C 1427-07
Surface burning characteristicsUL 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

Key Features & Benefits of pipe insulation tubing

white PE pipe2
thermometer (1)

Excellent Thermal Insulation Efficiency

With embossed polyethyene film, climate resistant foam, and thickened insulated cotton, this three-layer insulated mini split copper line set is corrosion-resistant, fireproofing, flame-retarded, thermal insulation, waterproof, shockproof, sound absorption and durable.
reliability (1)

Durable Construction for Long-Term Use

Outer Layer: Anti-aging, UV-resistant PE fllm, wear-resistant embossed pattern, antl-aging.
categories

High Pressure & Wide Application Compatibility

Middle Layer: IXPE foam, dense cell, heat and cold-resistant, impact absorption, no water penetration, good thermal insulation. Water cross-linked PE foam.
Inner Layer: Closed-cell structure, air tightness; good thermal insulation, temperature resistant -40℃~120℃.

75 ft 3/8" x 5/8" Mini Split Long Line Set 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.
Mini-Split-Long-Line-Set-structure
Copper-Line-Set

Copper Line Set

White-PE-Insulated-Pipe

White PE Insulated Pipe

99.9%-Pure-Copper

99.9% Pure Copper

Plastic-Cap

Plastic Cap

Data of 75 ft 3/8" x 5/8" Mini Split Long Line Set

SizeLengthInsulation White PEFlame Resistant
1/4+3/815m/20m/25m/30m/50m8mm/9mm/10mm/13mm/19mm/25.4mmM1/B1
1/4+1/215m/20m/25m/30m/50m8mm/9mm/10mm/13mm/19mm/25.4mmM1/B1
1/4+5/815m/20m/25m/30m/50m8mm/9mm/10mm/13mm/19mm/25.4mmM1/B1
3/8+5/815m/20m/25m/30m/50m8mm/9mm/10mm/13mm/19mm/25.4mmM1/B1
3/8+3/415m/20m/25m/30m/50m8mm/9mm/10mm/13mm/19mm/25.4mmM1/B1
1/2+3/415m/20m/25m/30m/50m8mm/9mm/10mm/13mm/19mm/25.4mmM1/B1
3/8+7/815m/20m/25m/30m/50m8mm/9mm/10mm/13mm/19mm/25.4mmM1/B1
SizeUsed forSizeUsed for
1/4 + 3/8 AC line set0.75TON - 1.0TON mini split air conditioner1/4 + 3/8 Mini split line set9000BTU and 12000 BTU split air conditioner
1/4 + 1/2 Mini split line set1.5TON - 2.0TON mini split air conditioningAll copper line set 1/4 + 1/212000 BTU and 18000 BTU mini split air conditioners
1/4 + 5/8 Copper line set2.0TON - 2.5TON split air conditioner system1/4 + 5/8 Insulated copper line set24000 BTU and 30000 BTU air conditioner system
3/8 + 5/8 Insulated copper tube3.0TON - 4.0TON ductless mini split air conditioner3/8 + 5/8 Mini-split line set36000 BTU and 48000 ductless air conditioner
3/8 + 3/4 Insulated copper tubing4.5TON - 6.0TON split air conditioner installation3/8 + 3/4 HVAC line set54000 BTU and 72000 split air conditioner installation
3/8 + 7/8 Insulated copper piping6.0TON - 8.0TON ductless mini split air conditioner3/8 + 7/8 Insulated copper piping72000 BTU - 96000 BTU ductless mini split air conditioner
Air conditioning copper line sets 1/4 + 3/80.75P and 1P split air conditioningAircon copper line set 1/4 + 3/89K and 12K split air conditioner
Copper pipe kit 1/4 + 1/21.5P and 2P mini split air conditionersHigh quality copper line set 1/4 + 1/212K and 18K mini split air conditioners
1/4 + 5/8 Insulated copper line set2P and 2.5air conditioner system1/4 + 5/8 Insulated copper line set24K and 30K air conditioner system
3/8 + 5/8 Mini-split copper line set3P and 4P ductless mini split air conditioner3/8 + 5/8 Mini-split line set36K and 48K ductless air conditioner
3/8 + 3/4 Copper pipe kit4.5P and 6P split aircon installation3/8 + 3/4 HVAC line set54K and 72K split air conditioner installation.
3/8 + 7/8 Insulated copper pipe6P - 8p TON ductless mini split air conditioner3/8 + 7/8 Insulated copper pipe72K - 96K ductless mini split air conditioner

Why Choose This 75 ft Mini-Split Long Line Set from a Professional Supplier?

crop_1756359927810

15+ Years HVAC Manufacturing Experience

Produced by a specialized manufacturer with extensive experience in HVAC copper piping and insulation systems since 2008.

crop_1756358621628

In-House Insulation Production

Ensures:

Consistent insulation quality

Faster production cycles

Custom branding capability

crop_1756358832280

OEM & Custom Branding Available

Customize:

Logo printing

Pipe markings

Packaging

Perfect for distributors and wholesalers.

crop_1756359798928

Strong Global Supply Capability

Weekly container shipments

Stable export logistics

Scalable production capacity

DABUND FACTORY

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

DABUND FACTORY
dabund-factory2
dabund-factory3

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

SGS-Certificate

Exhibition

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

2025-racc-1

2025 RACC

2025-racc-2

2025 RACC

2025-AQUA-THERM-TASHKENT-1

2025 AQUA-THERM TASHKENT

2025-AQUA-THERM-TASHKENT-2

2025 AQUA-THERM TASHKENT

75 ft 3/8" x 5/8" Mini Split Long Line Set FAQ

What is an HVAC line set?

An HVAC line set is a pair of copper tubes used to transport refrigerant between the indoor and outdoor units of an HVAC system. It typically includes a smaller liquid line and a larger suction line, both of which are essential for efficient cooling and heating performance.

What does an HVAC line set consist of?

What are HVAC line sets used for?

What sizes are available for HVAC line sets?

How do I choose the correct HVAC line set size?

Are HVAC line sets pre-insulated?

Can HVAC line sets be used for heat pump systems?

What material is used for HVAC line sets?

Are HVAC line sets compatible with modern refrigerants?

Can HVAC line sets be installed outdoors?

How long does an HVAC line set last?

Are HVAC line sets easy to install?

Can HVAC line sets be customized?

Do HVAC line sets improve energy efficiency?

Related Products

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.
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.
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.
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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