
Flexalen® 600 offers one piping system for heating networks, cooling networks, and potable water, available as single or twin pipes, with and without EVOH layer, in coils or straight lengths with optional frost-protection cables (coils only). The PB-1 service pipes, made of closed-cell polyolefin foam, and impact-resistant HDPE casing provide high pressure and temperature ratings, superior moisture resistance, and minimal heat loss throughout the system lifetime. Homogeneously welded PB-1 joints create leak-tight connections that ensure system efficiency and reduce installation risk. Flexalen® 600 meets EN 15632-1/3, holds KIWA certification, and is C2C Certified® Full Scope, making it the most sustainable choice for district heating and cooling projects.
A pre-insulated piping system suitable for heating, cooling, and potable water networks, offering low heat losses and leak-tight performance. It features a closed-cell polyolefin foam insulation and impact-resistant HDPE casing, providing high pressure and temperature ratings, superior moisture resistance, and minimal heat loss throughout the system lifetime. The system is Cradle to Cradle Certified® Silver, supporting sustainable construction objectives.
EN 15632-1
District heating pipes - Factory made flexible pipe systems - Part 1: Classification, general requirements and test methods
EN 15632-2
District heating pipes - Factory made flexible pipe systems - Part 2: Bonded system with plastic service pipes; requirements and test methods
EN 15632-3
District heating pipes - Factory made flexible pipe systems - Part 3: Non bonded system with plastic service pipes; requirements and test methods
EN 15632-4
District heating pipes - Factory made flexible pipe systems - Part 4: Bonded system with metal service pipes; requirements and test methods
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