Diary Innovation project H2 demonstrator



Sonplas has over 25 years of experience in the assembly and testing of diesel and gasoline injection components. We want to use our experience for a greener future, with all the new fuels, including hydrogen.

With our demonstrator for testing hydrogen-carrying components with real fuel, we aim to help our customers develop the components to advance this climate-friendly energy source.

An exciting as well as challenging project, accompany us on this way.

August, 2021:

Container for safe testing with H2


  • Technical ventilation with ATEX certificate: II / 3G/ T3 /IIC (5..7-times air change/h),
  • Additional ventilation in case of gas alarm (20..30-times air exchange/h)
  • Room temperature control (heating/cooling) with heat recovery
  • Nitrogen and hydrogen supply via battery
  • Conductive surfaces (ESD)
  • Separate supply container
  • Individually expandable

June 22, 2021:

Internal Atex concept meeting H2 demonstrator.

June 2021:

Start of procurement phase

May 2021:

Start of design phase

April 23, 2021:

Approval of H2 demonstrator by Sonplas CEO

April 2021:

Presentation of the project in the form of specifications and cost breakdowns

March 2021:

Completion of specifications, completion of technical feasibility study and cost calculation

January to March 2021:

Presentation of Sonplas H2 activities to existing and new customers.

January 2021:

Discussions for upgrading in-house ATEX room for H2 testing.

November 2020:

Collection of information for specification started

August 2020:

Birth of the idea of an H2 demonstrator for testing hydrogen-carrying components with real fuel.