IFAN Various Sizes PEX-EVOH Pipes

Short answer: yes

PEX-EVOH pipes are fully suitable for chilled water systems. They handle low temperatures without becoming brittle. The EVOH layer protects against oxygen and corrosion. Example: office building air conditioning systems.

Temperature compatibility

Chilled water typically runs at 5-10°C (41-50°F). PEX pipes maintain flexibility at these temperatures. The EVOH layer performs well in cold conditions. PEX-EVOH pipes are ideal for chilled applications.

Oxygen barrier importance

Chilled water systems contain metal components. Oxygen causes corrosion in steel pipes and equipment. The EVOH layer prevents oxygen from entering. PEX-EVOH pipes protect the entire chilled water system.

Condensation management

Chilled pipes can develop condensation. Insulation is required to prevent dripping. The PEX pipe surface is compatible with standard insulation. PEX-EVOH pipes work well with insulating materials.

Pressure rating for chilled water

Chilled water systems operate at 3-6 bar (45-90 psi). PEX-EVOH pipes handle much higher pressures. The PN20 rating is more than sufficient. PEX-EVOH pipes have a large safety margin.

Corrosion resistance

Chilled water can be corrosive over time. PEX pipes are immune to rust and corrosion. The EVOH layer adds additional protection. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes provide corrosion-free chilled water service.

Example: commercial building cooling

A 20-story office building uses chilled water for cooling. PEX-EVOH pipes distribute the water to all floors. The EVOH layer protects the chillers and pumps. Example: a reliable, long-lasting cooling system.

Example: district cooling system

A city district cooling network serves multiple buildings. ross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes carry chilled water underground. The EVOH layer prevents oxygen from entering the network. Example: a corrosion-free district cooling system.

Example: data center cooling

A data center uses chilled water for server cooling. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes connect the chillers to the racks. The EVOH layer protects the sensitive cooling equipment. Example: a safe, reliable cooling system.

Installation considerations

Bury the pipes below the frost line. Use proper insulation to prevent condensation. Support the pipes at regular intervals. ross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes install like standard PEX pipes.

UV protection requirement

PEX pipes are not UV resistant. Protect them from sunlight during installation. Bury them or use UV-resistant insulation. ross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes need UV protection for outdoor use.

Final chilled water summary

ross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes are fully suitable for chilled water systems. They handle low temperatures without issue. The EVOH layer provides oxygen barrier protection. They resist corrosion and maintain water quality. Pressure ratings exceed chilled water requirements. Insulation is needed for condensation control. Protect them from UV for outdoor installations. PEX-EVOH pipes are a reliable choice for chilled water systems. Example: a versatile, durable solution for cooling applications.

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