HEXIN produces various kinds of flap valves and diverter gates for preheaters with cyclone technology,
The flap valves are produced in chrome nickel steel alloys and in various sizes depending on their application, they are easy to fit and replace on site, and offer a safe, reliable response.
 
The typical refractory steels HEXIN uses are chrome nickel alloys with Chromium content: 19.0 – 27.0 %, Nickel content: 4,0 – 27,0 %.