1/2" x 3/4" x 50 ft Insulated Copper Pipe – Heavy-Duty HVAC & Commercial Line Set Supplier

1/2" x 3/4" x 50 ft Insulated Copper Pipe for Commercial HVAC Line Set

The 1/2" x 3/4" x 50 ft insulated copper pipe from Dabund is designed for large-capacity HVAC systems, commercial air conditioning installations, industrial refrigeration, heat pumps, and long-distance refrigerant line applications. This pre-insulated copper line set includes a 1/2 inch liquid line and a 3/4 inch suction line, helping contractors and HVAC distributors complete high-demand installations with stable refrigerant flow and reliable thermal performance.

Manufactured with 99.9% pure copper and durable insulation materials, this 50 ft commercial HVAC copper line set offers excellent conductivity, pressure resistance, corrosion resistance, and long service life. It is suitable for buyers looking for a factory-direct insulated copper pipe supplier for wholesale, OEM, ODM, and project-based HVAC procurement.

What Is a 1/2" x 3/4" Insulated Copper Pipe Used For?

A 1/2" x 3/4" insulated copper pipe is commonly used as a refrigerant line set between indoor evaporator units and outdoor condenser units. The 1/2 inch pipe is typically used as the liquid line, while the 3/4 inch pipe is used as the suction line for systems requiring higher refrigerant flow capacity.

• Commercial air conditioning systems

• Large residential split AC systems

• Heat pump installations

• Industrial refrigeration equipment

• Central HVAC and long-distance refrigerant piping

• Large-capacity mini split and ductless HVAC systems

This size is often selected for large tonnage HVAC systems where smaller copper line sets may not provide sufficient refrigerant flow or pressure stability.

Key Advantages of Dabund 50 ft Commercial HVAC Copper Line Set

99.9% Pure Copper for Efficient Refrigerant Flow

Dabund insulated copper pipes are made with high-purity copper to support efficient heat transfer, stable refrigerant circulation, and long-term durability. The copper tube is suitable for modern HVAC systems using high-pressure refrigerants such as R410A and other common refrigerants used in commercial air conditioning applications.

Large-Capacity 1/2" + 3/4" Twin Pipe Design

The twin pipe configuration includes one 1/2 inch liquid line and one 3/4 inch suction line. The 50 ft length is suitable for extended HVAC installations where the indoor and outdoor units are installed farther apart.

Multi-Layer Insulation for Energy Efficiency

The insulation layer helps reduce energy loss, prevent condensation, protect the copper tubing from moisture, and improve overall HVAC system efficiency. Dabund can supply PE insulation, rubber insulation, and customized insulation thickness based on buyer requirements.

Flame-Retardant and Weather-Resistant Insulation

The insulation is designed for HVAC working environments and can meet fire resistance and durability requirements such as ASTM E84, UL94, ASTM D1056, and ASTM G21. It is suitable for indoor and outdoor installation conditions.

Factory-Direct OEM and ODM Supply

Dabund supports wholesale supply, private label packaging, custom insulation color, logo printing, custom length, and project-based procurement for HVAC distributors, contractors, importers, and commercial refrigeration buyers.

Technical Specifications

Best HVAC System Size for 1/2" x 3/4" Copper Line Set

The 1/2" x 3/4" insulated copper line set is commonly selected for larger HVAC systems requiring higher refrigerant flow. In many installation scenarios, this pipe size is suitable for approximately 4.5–6 ton systems or 54,000–72,000 BTU air conditioning systems. Final line set sizing should always follow the HVAC equipment manufacturer’s installation manual.

Product Structure and Material Display

Dabund commercial HVAC line sets combine high-purity copper tubing with protective insulation and sealed pipe ends. This structure helps reduce installation risk, prevent contamination inside the copper tube, and maintain reliable system performance.

99.9% Pure Copper

White PE Insulated Pipe

Plastic Cap Protection

Features of Pipe Insulation Tubing

The insulation tubing is designed to protect the copper pipe from heat transfer, condensation, UV exposure, and installation wear. High-quality insulation is especially important for commercial HVAC systems because refrigerant temperature stability directly affects operating efficiency.

Thermal Insulation Pipe Production

Insulated Pipe Warehouse

Inner Layer Insulated Pipe

Why Choose Dabund as Your Insulated Copper Pipe Supplier?

17+ Years HVAC Manufacturing Experience

Dabund has been manufacturing HVAC components since 2008, with experience in insulated copper pipe, mini split line sets, aluminum pipe, and HVAC accessories. This manufacturing background helps buyers reduce supplier risk and maintain consistent product quality.

Stable Production Capacity

Dabund operates production facilities for HVAC line set manufacturing and can support bulk orders, regular wholesale purchasing, and project-based supply schedules for overseas customers.

OEM and ODM Customization

• Custom copper pipe sizes and lengths

• Custom insulation thickness: 8mm, 9mm, 10mm, 13mm, 19mm, 25.4mm

• White PE insulation or rubber insulation options

• Logo printing on insulation

• Private label packaging for distributors

• Custom export packaging for container loading

Global Export Support

Dabund supplies insulated copper pipes and HVAC line sets to international markets, helping importers, wholesalers, contractors, and HVAC distributors source products directly from a professional manufacturer.

Available Insulated Copper Pipe Sizes

Applications of Dabund Insulated Copper Pipe

Commercial HVAC Systems

The 1/2" x 3/4" x 50 ft insulated copper pipe is suitable for commercial buildings, retail stores, office buildings, restaurants, and large HVAC installations requiring stable refrigerant transmission.

Industrial Refrigeration Systems

High-purity copper tubing and durable insulation make this line set suitable for refrigeration equipment, cold rooms, and industrial cooling systems.

Heat Pumps and Central Air Conditioning

The product can be used for heat pumps and central air conditioning systems where long-distance installation and reliable insulation performance are required.

Packaging and Delivery

• Standard export packaging for insulated copper pipe

• Custom carton and private label packaging available

• Suitable for container loading and bulk wholesale orders

• Typical delivery time: 15–20 days, depending on order quantity and customization requirements

Dabund Factory

Dabund produces insulated copper pipe, mini split line sets, aluminum pipe, and HVAC parts for global buyers.

SGS Certificate

Dabund mini split line set insulation can be made of polypropylene or black rubber with UV resistance and compliance with ASTM E84, UL94, ASTM D1056, and ASTM G21.

Exhibition and Global Market Experience

Dabund joins international exhibitions to help HVAC buyers inspect insulated copper pipe, mini split line set, and HVAC parts directly.

FAQ About 1/2" x 3/4" x 50 ft Insulated Copper Pipe

What is a 1/2" x 3/4" insulated copper pipe used for?

It is used as a refrigerant line set for large-capacity HVAC systems, commercial air conditioners, heat pumps, and refrigeration systems. The 1/2 inch pipe is commonly used as the liquid line, and the 3/4 inch pipe is commonly used as the suction line.

What HVAC system size is this copper line set suitable for?

This 1/2" x 3/4" copper line set is commonly suitable for large systems around 4.5–6 tons or 54,000–72,000 BTU. However, installers should confirm the required pipe size according to the HVAC equipment manufacturer’s installation guide.

Why is insulation important for HVAC copper pipes?

Insulation helps maintain refrigerant temperature, reduce energy loss, prevent condensation, and protect the copper pipe from moisture, UV exposure, and physical damage during installation and operation.

Can Dabund customize the insulation thickness and packaging?

Yes. Dabund supports OEM and ODM customization, including insulation thickness, insulation color, logo printing, custom length, carton design, and private label packaging for distributors and importers.

Is this insulated copper pipe suitable for commercial use?

Yes. This 50 ft insulated copper pipe is designed for commercial HVAC, industrial refrigeration, heat pump, and large-capacity air conditioning applications.

What standards can the copper pipe and insulation meet?

The copper pipe can meet ASTM B280 and C12200 standards, while the insulation can meet UL94, ASTM E84, ASTM D1056, and ASTM G21 requirements depending on the product configuration.

What are your payment terms?

Common payment terms include T/T, L/C at sight, credit card, and other agreed payment methods based on order details.

What are your delivery terms?

Dabund can support EXW, FOB, CFR, CIF, and other international trade terms according to customer requirements.

Are you a trading company or manufacturer?

Dabund is a manufacturer of insulated copper pipe, mini split line set, aluminum pipe, and HVAC parts.

Can I get a sample before bulk ordering?

Yes. Dabund can provide free samples for evaluation. Customers usually need to cover the express shipping cost.

How long is the delivery time?

The usual delivery time is 15–20 days. For urgent orders, Dabund can discuss faster production and delivery arrangements based on order quantity and current production schedule.