Diffusion Bonded Heat Exchanger Model HHX-1000

by Kelvion Thermal Solutions SAS

  • Standardized design, delivery from stock.
  • Compact solution fitting inside dispenser unit.
  • Compliant with SEA J6201 and PV codes (ASME U-stamp, PED, UKCA).
  • Back-to-back filling at hydrogen refueling stations.
  • Diffusion bonded heat exchanger with efficient precooling.
  • Many references in Europe and United States.
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K°BOND diffusion bonded heat exchanger model HHX-1000 (passenger cars)

  • K°BOND model HHX-1000 standardized for passenger cars filling.
  • For Heavy Duty Vehicles, the bigger model HHX-2000 shall be used.
  • Many references in Europe and United States
  • Up to 6 times smaller than conventional shell and tube heat exchanger.

Product video


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Key features

  • Filling protocol T40 as described in SAE J2601.
  • Suitable for 350 Bar (H35) and for 700 Bar (H70) pre-cooling
  • High pressure hydrogen precooling
  • Ultra-compact and fits inside the dispenser unit
  • Fast delivery from stock
  • Suitable for a wide range of cooling media, such as water/glycol, Therminol D12, Fragoltherm and evaporating CO2
  • T40 pre-cooler fast back-to-back filling for commercial refuel stations
  • High quality, standardized design Fast delivery from stock Compact, fits inside dispenser unit


  • Hydrogen refueling stations
  • Hydrogen compression inter and aftercooler
  • Gas compression
  • Liquid hydrogen evaporation
  • Supercritical CO2
  • Liquid Air Energy Storage (LAES)

Use cases

  • Total Gas Mobilitiy
  • Swiss Low-Cost Hydrogen Refuelling Station (LCHRS)

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Contact us

  • Interested? Please contact Kelvion by filling in the contact request from.
Type of Heat Exchanger

Max Pressure (in bar)

Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Manufacturing Readiness (MRL)

Technology Readiness (TRL)

Technical Datasheet

Technical Datasheet - HHK1000-Kelvion

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    Kelvion Thermal Solutions SAS

    Kelvion is a global manufacturer of industrial heat exchangers for a highly diversified range of market segments. Since 1920, the company has manufactured and marketed its products throughout many and various markets – since November of 2015, under the new Kelvion brand. Its specialized professional competency, solidly based expertise, customer proximity and multidimensional product portfolio make Kelvion the partner of choice in the field of heat exchange. As your heat exchange partner, we understand that outstanding and reliable after-sales services are critical for you, our customer, and we work alongside with you in close partnership supporting you throughout the full life cycle of your plant and equipment to ensure lasting business success.

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