Main technical characteristics

Description of product: cast iron manhole top D400 500x500
Type: single lid
External encumbrance of frame (mm): 590 x 590 x 80
Internal clear opening (mm): 450 x 450
Lids N°: 1

Other technical characteristics

Provided with inox steel security lock and openable with its key, which ensures the inviolability of the manhole, this manhole top was expressly projected for telecommunication plants, and it's usable also on building, water, sewer and lightning manholes.
The weight of the lid is lighter than 30 kg and, for this, is complying with current safety norms.

Notes

On specific request, we can apply every kind of signature or design of a personalized mark.