• Products
  • Alloys
  • Industries
  • Services
  • Company
  • Career
    • EN
    Copper safety tube on white background
    Tubes
    Finned Tubes

    Safety Tubes

    Safety tubes are used for economical and safe heat transfer. The double wall tubes feature defined leakage paths for the absolutely reliable separation of fluids. For your individual requirements concerning fluid dynamics, we decide on the most suitable surface structure.
    Additional information

    Applications

     

    • Pre-heating of fuel gas for gas turbines 
    • Protection against environmentally harmful substances
    • Transformer oil water cooler 
    • Drinking water protection according to EN 1717 in heat-pump systems
    • Heat recovery systems

    Available Versions

     

    Depending on the application, the tubes are available

    • with either plain or enhanced outside surfaces,
    • in copper, copper-nickel as well as in material combinations,
    • in either loose or already bonded version

    We offer you a broad portfolio of materials and can expand our offering at any time to meet your specific needs regarding thermal conductivity, mechanical properties, or corrosion resistance. GEWA-safe double wall tubes are available in copper and copper-nickel.

    Learn more
    Wieland
    Heating Technology – Efficiency in nearly every design

    Heat recovery from shower water

    Our double‑wall safety tubes allow you to utilize shower water heat recovery in a safe and reliable way.
    Wieland
    Heating Technology – Efficiency in nearly every design

    Higher efficiency for the domestic hot water heat pump

    With the Wieland Safety Heat Exchanger, the air/water hot-water heat pump is particularly cost-effective, low in maintenance and energy-saving.

    Downloads

    Similar Products

    Tubes
    Finned Tubes

    Enhanced Surface Condenser Tubes

    Optimized heat transfer for your shell and tube heat exchanger with enhanced surface tubes of the GEWA-C product family. They are engineered to maximize shell‑side condensation efficiency in modern HVAC and refrigeration systems.
    Oxygen-free Pure Copper Seawater-resistant copper-nickel alloy Copper-nickel alloys Special brass +1
    Tubes
    Finned Tubes

    Enhanced Surface Evaporator Tubes

    Wieland’s Enhanced Surface Evaporator Tube combines advanced nucleate‑boiling technology from the GEWA‑B and GEWA‑PB families to deliver outstanding heat‑transfer performance in shell‑and‑tube heat exchangers. Its engineered boiling surface, and optional dual‑enhanced structure with inner spiral fins, significantly boosts thermal efficiency, enabling more compact designs, lower refrigerant charge, and improved energy performance in flooded and falling‑film evaporators.
    Oxygen-free Pure Copper Seawater-resistant copper-nickel alloy
    Tubes
    Finned Tubes

    Enhanced Surface Evaporator Tubes for the Hydrocarbon Industry

    Wieland GEWA-PB is a dual-enhanced boiling tube for shell-and-tube heat exchangers, available in carbon steel and low-temperature carbon steel grades. Designed for LNG refrigeration systems, ethylene reboilers, condensers and other hydrocarbon processing applications, it delivers enhanced heat transfer, compact equipment designs and reduced operating costs.
    Tubes
    Finned Tubes

    Medium-high-finned Tubes

    Medium-high-finned tubes feature a significantly larger heat transfer surface area compared to plain tubes. They are ideal for compact and high-performance coils and shell-and-tube heat exchangers. Wieland medium-high-finned tubes are a proven and robust solution for water heaters, storage tanks, refrigerant condensers, oil coolers, gas coolers or safety heat exchangers and more.
    Aluminum
    Tubes
    Finned Tubes

    High-finned Tubes

    High-finned tubes have a much greater outer surface area than smooth tubes. This allows for particularly compact designs. Thanks to their high, thin fins, these tubes perform particularly well in the heating and cooling of liquids and gases, making them an excellent choice for applications in heating technology, as well as in machinery and plant engineering.
    Aluminum Oxygen-free Pure Copper Seawater-resistant copper-nickel alloy
    Tubes
    Finned Tubes

    Low-finned Tubes

    Wieland low-finned tubes offer a proven, reliable solution for controlling the temperature of gases and liquids, and for evaporating and condensing refrigerants. Their larger heat transfer surface versus plain tubes delivers material and fill-volume savings for refrigeration and air conditioning, oil and gas coolers in machinery and plant engineering, and process engineering. Available as GEWA-K and GEWA-KS in copper, copper-nickel, brass, steel, or titanium.