Sit, Bosch co-operate to develop a gas valve solution

SIT, which develops smart heating and metering solutions, continues to support the introduction of new technologies that deliver energy efficiency and reduce environmental impacts.

SIT was chosen by BOSCH Termotechnik as its technology partner to develop a safety and control valve for the hydrogen boilers they are developing as part of the UK government Hy4Heat programme.

The Hy4Heat programme is part of the United Kingdom’s national “heating decarbonisation” plan which aims to evaluate the use of hydrogen appliances to reduce CO2 emissions through the use of decarbonised gas.

Hydrogen, compared to natural gas, faces significant technological challenges as it is a lighter gas, has a considerably higher flame speed, a greater flammability range and burns at a higher temperature. It, therefore, requires specially designed and tested appliances and components.

To address these challenges, SIT has developed a new product called Sigma H-generation, which has been approved for use with hydrogen, both in terms of materials and functions, by the KIWA Notified Body.

The technological partnership with Bosch involves the production of valves that can be used with hydrogen for installation in boilers, with prototypes to be ready in March 2020 and once approved by Hy4Heat subsequently to be tested in the field in 2021.

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