IFAN White PEX EVOH Pipes

Oxygen permeation rate: below 0.1 g/m³ per day
The oxygen permeation rate of PEX EVOH Pipe is less than 0.1 g/m³ per day. This is the maximum allowed by DIN 4726. This extremely low value is the key performance feature. Example: the pipe effectively blocks oxygen ingress.

Industry standards define the rate
DIN 4726 is the primary standard for oxygen barrier pipes. It requires permeability below 0.1 g/m³ per day. A PEX EVOH Pipe meeting this standard is certified for heating systems.

The EVOH layer as a barrier
EVOH is a high-density polymer that reduces gas permeability. This layer reduces oxygen diffusion by up to 99%. A PEX EVOH Pipe uses this technology to protect the system.

Why oxygen ingress is a problem
Oxygen dissolves in water and causes corrosion in metal components. Boilers, pumps, and valves are all at risk. This corrosion leads to sludge formation. A PEX EVOH Pipe stops this at the pipe wall.

Protecting metal components
The primary purpose is to protect iron and steel parts. Circulator pumps and heat exchangers are common examples. By blocking oxygen, the PEX EVOH Pipe extends system lifespan.

Compliance with DIN 4726
This standard exists specifically for oxygen barrier pipes. It defines the maximum allowable permeability. Any PEX EVOH Pipe used in hydronic systems must comply.

Application in underfloor heating
Underfloor heating systems rely heavily on these pipes. The pipes are embedded in concrete. The PEX EVOH Pipe ensures oxygen does not enter and corrode the metal manifold.

Use in radiator systems
High-temperature radiator systems are another key application. These systems contain many metal components. The PEX EVOH Pipe maintains water quality and prevents corrosion.

Example: residential heating system
A home uses a PEX EVOH Pipe for underfloor heating. The oxygen barrier protects the boiler. The system runs without corrosion for decades.

Example: commercial HVAC system
A commercial building uses PEX EVOH Pipe for chilled water. The EVOH layer prevents oxygen ingress. This protects the chillers and pumps.

Consequences of non-compliance
If a pipe lacks an oxygen barrier, corrosion occurs rapidly. Sludge forms and blocks the system. Components fail prematurely. A PEX EVOH Pipe prevents these issues.

Final importance summary
PEX EVOH Pipe oxygen permeation rate is below 0.1 g/m³ per day. This prevents corrosion, extends system life, and ensures efficiency. Compliance with DIN 4726 is essential for heating systems. Choose PEX EVOH Pipe for reliable, long-term protection. Example: the right barrier safeguards your investment.

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