Multilayer Pex Aluminum Composite Pipe Plastic Water Pipe Pex AL Pex pipe For Floor Heating
Multilayer pipe is five-layer pipe combines the advantages of metal and plastic pipe, while eliminating the disadvantages of both material.
Absolutely diffusion tight, the aluminum core is continuously overlapped or butt-welded, prevents oxygen and gases from permeating into the pipes.
By the way of welding, there are two types:Buttweldded
A. Buttweldded or Laser or Seamless welding By buttwelding, the aluminum layer is completely round, so the wall thickness of the multilayer pipes are even and the roundness is very even, when connected with the fittings, the concentricity is very good, so the sealing performance and the anti-pressure strength will be highly improved. The aluminum is thicker, the strength and the rigidity is better, suitable for installation openly.
Overlapped
B. Overlapped Different from the buttwelded, the overlapped pipes wall thickness is not as even as the buttwelded, when connected with the fittings, the concentricity is not good, this will influence the sealing performance and the anti-pressure strength.