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Flexalen 1000+

Multi pipe systems for multifunctional solutions
Flexalen 1000+ pre-insulated duct
Flexalen 1000+ pre-insulated duct
Flexalen 1000+ pre-insulated duct
Flexalen 1000+ pre-insulated duct

Flexalen 1000+ is our cost-effective and ultra-flexible pre-insulated multi pipe solution, ideal for combining multiple applications in a single network. Our range of Flexalen 1000+ pre-insulated ducts offers many possible combinations with polybutene (PB-1) heat transfer tubes, ensuring flexible freedom today, as well as for future adaptations.

Flexible efficiency with Flexalen 1000+

You can your combine heat and potable hot water tubes from a heat pump, wood chip boiler or solar installation as well as your frost protection and other cables in a single pre-insulated duct, then Flexalen 1000+ is the ideal choice. It combines various applications in a single, homogenous distribution network that is flexibly efficient.

One pipe to carry them all

This range of our wide Flexalen product family is highly suitable for micro-networks. A variety of pipes and other connection lines can be combined in a single solution, making it highly over-seeable. The flexibility and homogeneity of the components allow for a quick and easy installation with minimal disturbance to the existing environment.

Flexalen 1000+ pre-insulated ducts can be tailor-made to suit your specific needs. Find all the technical details in the Flexalen Product Guide in the downloads section.

  • Sustainability

    Fully recyclable

    Satisfies the requirements for sustainable construction

  • Health

    Produced without (H)CFC
    Complies to REACH
    Complies to VOC (Volatile organic components)

  • Installation

    Easy to install

    Safe welding connections due to Polybutene pipes

    Assembly on customer specification

    Full compatibility with Flexalen 600

  • Specificities

    Free moving carrier pipes

    Multi-line capability

    Homogenous connection between outer casing and insulation

  • Flexibility

    Excellent flexibility

    Bending radius 0,6 m – 1,0 m (depending on inner pipe selection)

  • Pressure rating

    Max. operating pressure 8 bar (116 PSI)

  • Additional information

    For more details contact Thermaflex or download the technical datasheet!

  • Availabilities

    4 standard medium pipe combinations:

    • OD32/OD25
    • OD40/OD25
    • OD 50/OD25
    • OD63/OD32

    Several combinations of OD16 till OD63 mm pipes possible e.g:

    • H2/32A25A20…2 times OD32 heating, OD25 potable, OD20 circulation
    • H2/50A32A25…2 times OD50 heating, OD32 potable, OD25 circulation

    Several insulation thicknesses possible, depending on inner pipes combinations: e.g. OD 125mm, OD 160mm and OD 200mm

    Up to 300 m length in coils available

    End caps for water tight sealing between outer casing and medium pipes


  Bureau Veritas Ship building approval Flexalen 1000+ PDF 793 KB Preview Download Mail

Certificate number: 21665/B0 BV. 

Type of product: Thermoplastic material pipes and fittings, Flexalen 1000+.

(July 2014).

  DVGW W544 approval Flexalen PB (Group 2) PDF 434 KB Preview Download Mail

DVGW type examination certificate. 

Product Category: plastic pipes for drinking water installations (group 2).

Registration number: DW-8326CP0310 (September 2014).

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