EN124 cast iron grating with frame 1.cast iron grating 2.Material: ductile iron GGG50. 3. ... class D400, heave duty. EN124 cast iron grating with frameCast Iron Drain Grate for Building,underground drainage system,Lockable manhole cover,Rubber ... to standardsFree from sand holeSmooth and frame from sand holes,blow holes,distorition or any other defects EN124 cast iron grating with frame