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 edge, which guarantees a stable setting and greater. The external edge is flanged to optimise its hold in the cement.
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. Moreover, the gratings are blocked with stainless steel 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 6 (Class F900 minimum) areas subject to particularly high loads , e.g air port runways.
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.