pex-al-pex yellow gas pipe

PEX pipe profile

PEX-AL-PEX pipes, or AluPEX, or PEX/Aluminum/PEX, are made of a layer of aluminum sandwiched between two layers of PEX. The metal layer serves as an oxygen barrier, stopping the oxygen diffusion through the polymer matrix, so it cannot dissolve into the water in the tube and corrode the metal components of the system. The aluminum layer is thin, typically 1 or 2 mm, and provides some rigidity to the tube such that when bent it retains the shape formed (normal PEX tube will spring back to straight). The aluminum layer also provides additional structural rigidity such that the tube will be suitable for higher safe operating temperatures and pressures.

Features of pex pipe                                                                                                     

1) Specifications: φ16-32

2) Non-toxic, anti-corrosive

3) Light weight, strong mechanical properties and thermal-resistant ability

4) Low fragile humidity and long using life

5) Low flowing resistance inside the pipe, scaling can rarely happen

6) The fluids cannot be contaminated and effective diameters are big

7) Oxygen is 100% isolated and infiltration is thoroughly prevented. In case they are used as shielding materials for telecommunication circuit, magnetic interference can be prevented

8) Anti-static, and suitable for gas and fuel transportation

9) Can be bended or straightened without restriction

Advantages

*Compared with the pex plastic pipe, the pex composite pipe has the same strength, reluctant to retain former shapes

*Smooth inner surface of the pipe reduces resistance to the fluids. The ability to conduct water is 30% more efficient

*Super properties of high temperature, high pressure and corrosion resistance

*Good property of heat preservation, heat conduction coefficient is 0.45 W/m.k, which is much less than metal pipes and it can save insulation materials outside the pipe

*Easy to cut and install. It can be connected with special fittings instead of screw fittings; small diameter pipes can be rolled and packaged. Once bent in order than many directional parts such as elbow s or angles are no longer recessing very convenient to install, much time and labor cost can be saved

 *Life pan of the composite pipe is more than 50 years