IFAN Wholesale PEX-EVOH Pipes

Yes, for both hot and cold

PEX-EVOH pipes are suitable for hot and cold water. They share the same temperature ratings as standard PEX. The EVOH barrier adds protection without changing limits. Example: a single pipe type serves your whole plumbing system.

Hot water temperature rating

Standard PEX handles up to 95°C continuously. Short-term spikes to 110°C are acceptable. PEX-EVOH pipes have the same maximum temperature limits. Example: water heaters at 60°C are well within limits.

Cold water performance

These pipes perform excellently in cold applications. The material does not become brittle at low temperatures. The EVOH layer remains flexible and intact. PEX-EVOH pipes are certified for cold water service.

Pressure rating at high temperatures

At 95°C, the pressure rating is 100 psi (6.9 bar). At 20°C, the rating is much higher at 160 psi. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes follow standard PEX derating curves. Example: residential systems at 50 psi are very safe.

Oxygen barrier is neutral

The EVOH layer does not affect hot or cold performance. It simply blocks oxygen permeation through the wall. The barrier is not temperature-sensitive or reactive. PEX-EVOH pipes perform the same as standard PEX.

Example: residential hot water supply

A house uses PEX-EVOH pipes for all plumbing. The water heater delivers water at 60°C. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes carry hot water to fixtures easily. The system has been running for 10 years without issues.

Example: cold water main line

A cold water main supplies the house at 10°C. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes bring water from the street. The cold water is clean and safe. The pipes show no degradation from cold temperatures.

Hydronic heating systems

Radiant floor heating runs at 35-45°C typically. These temperatures are well within the limit. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes are ideal for hydronic systems. Example: warm floors use them for reliable operation.

Potable water certification

Many PEX-EVOH pipes have drinking water approvals. They meet NSF/ANSI 61 and 372 standards. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes are safe for all household water uses.

Limitations to remember

Do not use PEX-EVOH pipes for steam systems. Steam exceeds 100°C, above the PEX limit. Do not exceed 95°C for continuous operation. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes are not for all high-temperature applications.

Freezing precautions

PEX-EVOH pipes can freeze and burst like any pipe. The EVOH layer does not prevent freezing damage. Insulate pipes in unheated spaces properly. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes need freeze protection in cold climates.

Final suitability summary

PEX-EVOH pipes are suitable for both hot and cold water systems. They handle up to 95°C and 100 psi at that temperature. The oxygen barrier adds protection without affecting performance. This covers all residential hot water, cold water, and hydronic heating. For drinking water, choose NSF-certified versions. Avoid steam and temperatures above 100°C. With proper installation, these pipes provide decades of reliable service. Example: a versatile choice for any residential plumbing or heating system.

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