Description

PEX (cross-linked polyethylene) pipes are a modern and efficient solution for air conditioning systems, offering durability, flexibility, and resistance to high pressures. Available in 1/4” (6.35 mm) and 3/8” (9.52 mm) diameters, these pipes are primarily used for refrigerant circulation between indoor and outdoor units in HVAC systems.

Features and Benefits

1. Durable and Resistant Material

   • PEX is a cross-linked polymer material, resistant to cracks, corrosion, and extreme temperatures (-40°C to +110°C).

   • Does not oxidize, unlike copper pipes, ensuring a longer lifespan.

2. High Flexibility

   • Can be bent without the risk of breaking, reducing the need for fittings and joints.

   • Simplifies installation in tight spaces or complex routes.

3. High Pressure and Temperature Resistance

   • Withstands pressures up to 44 bar, making it ideal for split and VRV/VRF air conditioning systems.

   • Maintains performance even under extreme heat or cold conditions.

4. Anti-Condensation and Thermal Insulation

   • Some models come with integrated thermal insulation, preventing condensation and energy loss.

   • Reduces the risk of ice formation on pipes in cooling mode.

5. Compatibility with Various Refrigerants

   • Works efficiently with R32, R410A, R134a, and other modern refrigerants.

   • Does not chemically react with the refrigerant, preventing premature degradation.

Applications

• Split and multi-split systems – Connection between indoor and outdoor units.

• Centralized air conditioning (VRV/VRF) – Refrigerant distribution in commercial buildings.

• Heat pumps – Efficient heat transfer in both directions (heating/cooling).

Technical Specifications

Installation and Maintenance

• Cutting and Assembly: Can be cut with a specialized cutter and connected using compression or crimp fittings.

• Leak Testing: Nitrogen testing is recommended before commissioning.

• UV Protection: Not recommended for prolonged direct sunlight exposure (unless UV-protected).