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NIROFLEX – corrugated stainless steel pipe – versatile and high-quality

NIROFLEX® is a flexible corrugated stainless steel pipe system and is ideal for transporting liquids, as a protective pipe or as a heat exchanger pipe.

The NIROFLEX® CNT with installation protection casing made of LDPE is available to be laid underground.


Standard materials: 1.4301, 1.4404 or 1.4571 and 1.4539 depending on the project
Nominal diameters: DN 20–150
Pressure levels: PN 6 / PN 16 (subject to nominal diameter)

Type Nominal diameter Volume Inner pipe Weight
mit PE DN dm³/m kg/m
Type Nominal diameter Volume Inner pipe Weight
ohne PE DN dm³/m kg/m
CNW 22/25 20 0,3
CNW 30/34 25 0,4