Two-flange bend FFK

The two-flange bend FFK are used in water pipelines construction to change the direction of the collar pipe by the angle of 11°, 22°,30°, 45°.


Dinking water up to maximum 40°C.


The State Hygiene Institute in Warsaw.

Flange terminals

according to PN-EN 1092-2


Gray cast Iron of the GJL-250 type.

Anti-corrosion protection:

Gray cast iron- INERTOL BS10 (bituminous coating)

Download catalogue card
“Łuk dwukołnierzowy FFK” PDF, 648 KB

Download declaration of performance
“Kształtki z żeliwa szarego” PDF, 78 KB