Properties of Copper pipe
ITS annealed (R220) Cu-DHP grade phosphorus-deoxidized
copper, with the following chemical composition:
Cu + Ag: min. 99.90% – 0.015 % ≤ P (phosphorus) ≤ 0.040 %
according to UNI EN 1412. Copper with low carbon content
<0.05 mg/dm² (compared to C <= 0.20 mg/dm2 as laid down by
standard UNI EN 1057), dimensions and tolerances according to
standard EN 1057 and Italian gas committee standard UNI CIG
7129. "Seamless, round copper tubes for gas".
Properties of Insulation
Polyvinyl chloride (PVC) plain sheath, in yellow, adhering perfectly
to the surface of the copper pipe, odourless, chlorofluorocarbon
(CFC)-free. Suitable for gas lines inunderground, inside buildings
according to UNI CIG 7129, with the following specifications:
• Density: 1.7 kg/dm3
• Self-extinguishing: according to DIN 4102-B2