500-series 3366031-N is a floating type, round high frame for round blind cover 3366032-N or grating 3366033-N. The frame is designed for Nordic conditions, in accordance with standard EN 124-2:2015, manufactured from grey cast iron EN-GJL-200 and is classified under Load Class D400.

The frame is compatible with DN500 mm telescope pipe.

Typical applications are service stations, industrial buildings, heavy vehicle car parks, public roads.