Square shaped grating in ductile iron EN-GJS-500-7 conforming to the norm UNI EN 1563:2012
It is square in shape with a tall reinforced border, which guarantees a stable setting and greater safety in traffic. The external edge is flanged to optimise its hold in the cement. There is also an inside border which holds the siphon.
It comes flat and square in shape, with parallel rectangular slots. It can be installed in the frame with the slots directed perpendicularly to the direction of traffic, no matter the direction of the frame, in order to guarantee the safety of cyclists. Furthermore, it can be blocked with stainless steel screws.
It is made in spheroidal cast iron EN-GJS-500-7, composed of two truncated pyramid with a square base screwed together. It keeps inside bad smells and protects the drains against the introduction of leaves, stones and the intrusion of rats.
STANDARD EN 124 CLASSIFICATIONS AND PLACES OF EMPLOYMENT
Manhole covers, gullies and gratings can be distinguished into the following classes: A15, B125, C250, D400, E600 ed F900.
Group 4 (Class D400 minimum) road carriageways (including pedestrian streets), hard shoulders and parking areas for all types of road vehicles.
THE APPROPRIATE LOADING CLASS CHOICE IS UP TO THE WORKS DIRECTOR. IN CASE OK DOUBT (SUCH AS PARTICULARLY INTENSE TRAFFIC OR VERY HIGH LOADS AREA), IT WOULD BE APPROPRIATE TO CHOOSE A SUPERIOR LOADING CLASS.