Flap valves

For preheaters based on cyclone technology, ESTANDA manufactures and designs tipping valves as well as simple and double flap valves.

Produced in high-performance 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.

Steel specifications:

Heat-resistant steel alloys:

• Chromium (Cr) content: 18.0 – 27.0 %.
• Nickel (Ni) content: 3,0 - 27,0 %.