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  • Solutions
    • Solutions Left Column
      • Technical InsulationPE foam insulation solutions for the distribution of hot or cold liquids
      • Protection ProfileCustomised PE foam profiles for shock absorption and protection
    • Solutions Right Column
      • Insulated piping systemsFlexible pre-insulated piping solutions for heating and cooling networks
      • Insulated ducting systemsPre-insulated ducting solutions for HRV
  • Applications
    • Applications Left Column
      • Heating NetworksPre-insulated heating network systems
      • Cooling NetworksPre-insulated cooling distribution pipes
      • BiomassPre-insulated pipes for biomass & biogas
      • GeothermalPre-insulated piping for geothermal
      • Hot & Cold Drinking WaterPre-insulated potable water piping
      • Heat PumpsFlexible pre-insulated heat pump connection set
      • Heat Recovery VentilationPre-insulated ducting system
    • Applications Main Column
      • MaritimeMarine & offshore insulation solutions
      • Air ConditioningHVAC air conditioning insulation
      • RefrigerationCondensation-free refrigeration pipe insulation
      • HeatingCommercial & residential heating system insulation
      • SanitaryCondensation control for sanitary pipes
      • VentilationHVAC ventilation system insulation
      • Equipment ManufacturingCustomized solutions
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      • DHC for Energy TransitionSustainable heating & cooling networks for renewable energy
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    • Market Right Column
      • OEM Equipment ManufacturersCustom thermal solutions for product integration
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      • PackagingPE foam protective solutions
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Installation Instruction – Adjustable Stem Extension for Pre‑insulated Ball Valves DN25–80 Reduced Bore (EN)

Installation Instruction – Adjustable Stem Extension for Pre‑insulated Ball Valves DN25–80 Reduced Bore (EN)

Installation instruction for adjustable stem extensions for pre‑insulated reduced‑bore ball valves DN25–80, covering application conditions,…
May 10, 2026
Installation Instruction – Pre‑insulated Ball Valves for District Energy Networks (EN)

Installation Instruction – Pre‑insulated Ball Valves for District Energy Networks (EN)

Installation instruction for high‑performance pre‑insulated ball valves intended for underground applications in district energy networks,…
May 10, 2026
Installation Instruction – Adjustable Stem Extension for Pre‑insulated Ball Valves DN100–150 (EN)

Installation Instruction – Adjustable Stem Extension for Pre‑insulated Ball Valves DN100–150 (EN)

Installation instruction for adjustable stem extensions used with pre‑insulated ball valves DN100–150 (reduced bore) and…
May 10, 2026
TQ-Air Brochure (NL)

TQ-Air Brochure (NL)

The TQ-Air brochure presents innovative pre-insulated ventilation solutions for residential buildings, emphasizing sustainability and efficiency.…
Yarko PicavetApril 16, 2026
TDS – Insulation Coupler/Reducer PU (EN)

TDS – Insulation Coupler/Reducer PU (EN)

Technical sheet describing insulation coupler and reducer PU kits for creating insulated joints in Flexalen…
Yarko PicavetApril 16, 2026
TDS – Annular Space Sealing (EN)

TDS – Annular Space Sealing (EN)

Technical Data Sheet for annular space sealing providing gas‑, water‑ and radon‑tight wall entry sealing…
Yarko PicavetApril 16, 2026
Instruction – Insulation Kit T-piece F600 and PU (EN)

Instruction – Insulation Kit T-piece F600 and PU (EN)

Installation guide for the Insulation Kit T-piece PU, designed for insulating T branch connections of…
Yarko PicavetApril 16, 2026
SDS-TQ-Air (EN)

SDS-TQ-Air (EN)

The SDS for TQ-Air insulated ducts by Thermaflex Isolatie b.v. details its use in ventilation…
AO_thermaflexApril 9, 2026
TDS TQ-Air (NL)

TDS TQ-Air (NL)

The document details the TQ-Air system components for WTW devices, including insulated pipes, connectors, and…
AO_thermaflexApril 9, 2026
TDS TQ-Air (EN)

TDS TQ-Air (EN)

TQ-AIR is an insulated ventilation ducting system by Thermaflex, designed for residential buildings to meet…
AO_thermaflexApril 9, 2026
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Close Menu
  • Solutions
    • Solutions Left Column
      • Technical InsulationPE foam insulation solutions for the distribution of hot or cold liquids
      • Protection ProfileCustomised PE foam profiles for shock absorption and protection
    • Solutions Right Column
      • Insulated piping systemsFlexible pre-insulated piping solutions for heating and cooling networks
      • Insulated ducting systemsPre-insulated ducting solutions for HRV
  • Applications
    • Applications Left Column
      • Heating NetworksPre-insulated heating network systems
      • Cooling NetworksPre-insulated cooling distribution pipes
      • BiomassPre-insulated pipes for biomass & biogas
      • GeothermalPre-insulated piping for geothermal
      • Hot & Cold Drinking WaterPre-insulated potable water piping
      • Heat PumpsFlexible pre-insulated heat pump connection set
      • Heat Recovery VentilationPre-insulated ducting system
    • Applications Main Column
      • MaritimeMarine & offshore insulation solutions
      • Air ConditioningHVAC air conditioning insulation
      • RefrigerationCondensation-free refrigeration pipe insulation
      • HeatingCommercial & residential heating system insulation
      • SanitaryCondensation control for sanitary pipes
      • VentilationHVAC ventilation system insulation
      • Equipment ManufacturingCustomized solutions
      • PackagingPE foam for product protection
  • Products
    • Pre-insulated pipe product lines
      • Flexalen® 600
      • Flexalen® 600 HP
      • Flexalen® PU
      • Flexalen® prefabrications
      • Flexalen® PHC
      • Flexalen® Multiline
      • Protectube
      • Flexalen® system accessories
      • Flexalen® tools
      • TQ-Air®
    • Insulation product lines
      • ThermaSmart® PRO
      • ThermaSmart® Marine
      • ThermaSmart® ENEV
      • ThermaSmart® ENEV-Q
      • ThermaEco® FRZ HF
      • ThermaEco® ZZ
      • Ultra M
      • ThermaCompact
      • ThermaRod
      • ProFoam
      • Heating Cables
      • Insulation Tools & Accessories
  • Markets
    • Market Left Column
      • DHC for Energy TransitionSustainable heating & cooling networks for renewable energy
      • ConstructionInsulation & pre-insulated piping for building projects
      • InfrastructureFrost protection & fire safety for critical projects
      • Marine ShipbuildingCertified insulation for vessels & offshore
    • Market Right Column
      • OEM Equipment ManufacturersCustom thermal solutions for product integration
      • Industrial FacilitiesEnergy savings insulation for industrial facilities like food & beverage
      • Data Centers & TechnologyEnergy efficiency for high-density computing
      • PackagingPE foam protective solutions
  • Support
    • Engineering and supportTechnical support in design and installation
    • Installation TrainingOur training portfolio
    • Co-DevelopmentDeveloping customised solutions
    • Pipe Pre‑Insulation ServiceInsulation for pipe manufacturers
  • Resources
    • DownloadsDownloadable resources in one place
    • Case StudiesGlobal solutions, real-world impact
    • BlogExplore expert insights
  • Insulation Calculator
  • ThermaSize tool
  • Contact
  • News
  • About Thermaflex
    • SustainabilityWe take responsibility
    • CareersJoin our international company
    • 50 Years of ThermaflexCelebrating 50 years of innovation
  • English
    • Français
    • Deutsch
    • Polski
    • Nederlands
    • Dansk
    • Español
    • Türkçe
    • Български
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