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Composite pipe(multilayer pipe,PAP pipe) we can supply include:

All kinds of multilayer pipes:pex-al-pex pipe,pe-al-pe pipe,pex-al-pe pipe,ppr-al-ppr pipe,pert-al-pert pipe

1) Aluminum layer is longitudinally welded (by ultra-sonic wave method) in an over-lapping way.
2) Aluminum layer is BUTT-WELDED by argon arc welding method.
3) Aluminum layer is BUTT-WELDED by LASER welding method.

Specifications of the  composite pipe:
I.D.10-60mm
O.D.14-75mm
Radial tensile strength(NM)2300-3200
Packing:As required
Temperature:
-40 C--- +60 C  for cold water pipe
-40 C--- +95 C  for hot water pipe