IFAN Custom Style PEX-EVOH Pipes

Oxygen barrier protection

PEX-EVOH pipes have a built-in oxygen barrier layer. Standard PEX pipes allow oxygen to pass through. Oxygen corrodes metal system components over time. Example: boilers, pumps, and valves last longer with the barrier.

Reduced corrosion in heating systems

The EVOH layer blocks oxygen permeation significantly. This prevents rust formation inside radiators and boilers. Metal parts stay clean and functional longer. PEX-EVOH pipes protect ferrous components from corrosion damage.

Extended system lifespan

Heating systems with standard PEX need more frequent maintenance. Oxygen corrosion leads to premature component failure. PEX-EVOH pipes extend the life of the entire system.

Better water quality in open systems

Standard PEX pipes allow some oxygen diffusion into water. This can affect water quality and clarity. PEX-EVOH pipes maintain better water quality in closed systems. Example: improved clarity and reduced sediment formation.

Example: radiant floor heating system

A home has a radiant floor heating system. Standard PEX would allow oxygen into the system. The boiler and pumps would corrode faster. PEX-EVOH pipes protect the investment and extend its life.

Example: commercial hydronic system

A commercial building uses a large boiler for heating. The system has many pumps and valves. PEX-EVOH pipes keep the system clean and efficient. The building saves on maintenance and repair costs.

Longer intervals between maintenance

Standard PEX systems may need yearly maintenance checks. The oxygen barrier reduces the need for frequent service. PEX-EVOH pipes allow longer intervals between maintenance.

Suitable for drinking water

EVOH pipes can also be used for drinking water. The barrier prevents contamination from external sources. It protects against chemical migration from the soil. PEX-EVOH pipes meet standards for potable water.

Less sludge formation

Oxygen reacts with metal ions in the water. This forms black sludge over time. PEX-EVOH pipes reduce sludge formation significantly.

Example: multi-family apartment heating

A multi-family building has a centralized heating system. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes distribute heat to each unit. The maintenance team reports cleaner boiler water. The system runs more efficiently with fewer issues.

European standards require it

Many European standards require oxygen barrier pipes. Closed-loop heating systems must use DIN 4726-compliant pipes. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes are required in many jurisdictions.

Final advantage summary

PEX-EVOH pipes offer significant advantages over standard PEX pipes. The oxygen barrier prevents corrosion of metal components. This extends the entire heating system’s lifespan. It reduces maintenance frequency and associated costs. It improves water quality in closed systems. It is required by some European codes for hydronic heating. The barrier also protects drinking water from contamination. Cross-linked Polyethylene – Ethylene Vinyl Alcohol Copolymer pipes are the better choice for any closed-loop heating application. Example: a worthwhile investment that pays for itself over time.

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