The heat exchnager is manufactured according to the following standards: EN 13 445, PED 2014/68/EU, category IV, Modul G.
At the end of April 2020 we finished manufacturing of the low pressure heater for a company SIEMENS.
Take a look at the video from the pressure test of this heater which was manufactured for the power plant in Sofia according to the client's documentation. It is a part of a turbogenerator with a back-pressure steam turbine.