SMC composite resin manhole covers and frames comply with the relevant provisions of BS EN124 and the clear opening is 600mm. This manhole cover have hinge of protection device. On vehicle traffic areas, the covers and frames designed for heavy traffic: 40ton.
Commonly used in urban main road, gas stations, freight station, logistics park and other areas, bearing can reach national standard GB/T23858-2009 D400 level, can withstand 80 tons of freight traffic, corrosion resistance, high temperature resistant, wear resistant, flame retardant insulation characteristics, its material recycling value, won't appear the phenomenon of theft, can effectively guarantee the safety of the road.
