arpadveress 
According to ISO 80079-37:2016 there is only one marking possible: Ex h for Ex non electrical devices.
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Reasons why I became an Ex manufacturer
We all purchase Ex installations, and we specify, design, install, commission, operate,
Mandatory skills of an Ex designer
Minimum competencies: General:Detailed knowledge of explosion protection (gas / dust) Supervisor (manager):
Assessing fire and explosion risks in possible chemical stores
Fires and explosions at worksites with hazardous chemicals have the potential to
In certain conditions…
One manufacturer and one client’s comm I have been involved in… Written
