Sliding hatch cover, completely made of 1.4307 (AISI 304 L) stainless steel, with smooth finish.
The sliding cover provides access to downward leading stairs.
The cover is made of a stable stainless steel plate and equipped with plastic rollers and maintenance-free journal bearings. The cover is installed in an external guide rail and cannot be removed. Locking when closed is possible by a cylindrical lock.
The rails consist of 60/40/2 mm rectangular section fixed with dowels along the rail edge.
Manhole cover and rails shielded arc-welded, acid-treated in a pickling bath and passivated. Operating key included.