Shanxi Ascent Industrial Co., Ltd. [China]

Ductile Iron Manhole Cover & Grating 1.Material: GGG500-7 2.Square manhole cover with two triangular 3.Good Quality

Ductile Iron Manhole Cover and Gully Grating

The inspection certificate to be provided according to BS EN124:1994, the material grade GGG500/7, coating black bitumen, testing before shipping for the smooth surface and loading.

Clear opening: all the clear opening of the frame is available, without dismantle semi-covers.Closure: with inox steel lock (according Telecom norm) openable with the appropriate cast iron security key for all manhole tops with triangular semi-covers.Opening: only in sequence with the "hinge" system, with an opening effort < 30 Kg. (Legislative Decree 626/1994); every single semi-cover has a weight not greater than 30 Kg. The opening of semi-covers, which happens on two opposite sides, is such to always leave free a couple of opposite sides; with the only exception of 70x80 model with 3 semi-covers, for which it's necessary to pull out the central lid (which weights less than 30 Kg.) in order to obtain the couple of free opposite sides.Dismantling: if necessary, it's possible to remove the semi-covers from the frame without the aid of accessories, without doing double movements to free the security block, with an effort never greater than 30 Kg.Frame: it is in alveolar structure, with lateral holes for the handling during movements.Painting: non toxic and non polluting black painting.

D400 T60-60 EN124 cast iron manhole cover