Two-flange knee of N foot
The two-flange knees with N foot are used in water pipelines construction to alter the pipe direction by the angle of 90°, to outlet of the pipeline to the surface. This type of knees is useful to install hydrants.
Drinking water up to maximum 40°C.
The State Hygiene Institute in Warsaw.
according to PN-EN 1092-2
Gray cast iron of the GJL-250 type or spheroidal of the GJS-500-7 type.
Gray cast iron- INERTOL BS10 (bituminous coating).
spheroidal cast iron with EP paint application 250 μm thick and 3 kV puncture resistant.