Square shaped grating in ductile iron EN-GJS-500-7 conforming to the norm UNI EN 1563:2012
It is made in a single cast, square in shape, concave on two sides, which are high and reinforced, without gasket, whose stability is guaranteed through a metal to metal coupling. This particular frame, thanks to the specific drainage holes, allows the water to be absorbed by the asphalt to drain internally (and successively in the runoff channel).
It is square in shape, concave on two sides. The upper surface is designed to be non-skid with self cleaning grips, which avoid blockage and the deposit of leaves, paper and other elements. A higher stability is guaranteed through the insertion of locking screws.
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.
Group 3 (Class C250 minimum) For gullies installed in kerbside channels of the pavement which, extends to 0.5 m in the road and to 0.2 m top on the pavement, when measured from the edge
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.