Casting manufactured in spheroidal-graphite cast iron (ductile cast iron) in accordance with the EN-1563 Standard.
Set formed by 2 or 4 triangular covers per frame. Hinged cover with maximum opening range of 110ºand safety blocking at 90º. Hinges integrated into the frame. Anti-slip surface. Opened by standard tools(crowbar, pick). customization available.
Epoxy-polyester with a thickness of 100 microns, free of solvents compliant with the standard 199/13/CEE, black RAL-9004.