The Alpex-duo XS multilayer pipe has the following structure: internal layer in contact with the PE-Xb (silane cross-linked polyethylene) fluid, one high perfor- mance adhesive layer, one aluminium layer (with lower thickness compared to the equal diameter of the standard Alpex-duo), one high performance adhesive layer, high density polyethylene (PE-HD) external layer, which is not cross-linked, which ensures optimal protection against foreign agents.
The Alpex-duo XS pipe can be used in heating and air-conditioning systems and to transport drinking water.
Conforming to work sheet DVGW W-542
Alpex-duo XS is available in rolls in the naked version and in the blue and red insulated version. The insulation is made of low density expanded polyethylene (PE-LD) without closed cells CFC and HFC.
The insulation thickness is 6 mm for sizes 16 – 18 – 20, and 10 mm for sizes 26 – 32.
Other technical features of the insulation grip: Density: 35 Kg/m3
Thermal Conductivity: 0.0397 W/m·K Fire rating: Class 1