The frame of the round manhole cover transfers part of the load to the road surface layers, thereby protecting the manhole cone from structural damage.
Manhole Cover HYDROlevel
with a roll-in frame for optimum load transfer
| Load Class | D 400 |
|---|---|
| Standard | DIN EN 124 / DIN 1229 |
Round manhole covers with self-levelling frames represent an innovative solution in the field of road infrastructure, as they automatically adapt to the surface, thereby ensuring a level and safe connection.
Benefits
Optimal load transfer
No adjustment ring required
HYDROlevel manhole covers do not require a concrete adjustment ring or adapter ring, as the frame rests directly on the installation layers.
A safe and level surface
The frame is designed to accommodate settlement movements in the horizontal plane, ensuring a level surface and thus preventing both tripping hazards and loud noise when driven over. Standard manhole covers, by contrast, remain rigid and have the opposite effect.
Holding device for access aid
Manhole cover with an integrated holding device for securing an access aid in accordance with DIN 19572.
Replaceable DUO insert
HYDROlevel manhole covers each feature a replaceable HYDROpren insert in both the frame and the cover. The insert is made of polychloroprene in accordance with DIN 53505 and ensures high abrasion resistance and durability.
