EJ Brio D.I. Manhole Cover 600 Dia 100H D400 is a D400 rated hinged ductile iron manhole cover with a round frame. It features a retractable handle for opening and closing the frame. It has a double walled frame for increased rigidity. Equipped with a safety blocking of the cover which prevents it from accidently closing when in the open position. Fitted with a neoprene gasket to minimise noise.
