Heavy Duty Ductile Iron Sewer Round Manhole Cover

We are offering heavy duty ductile iron sewer round manhole cover. 1.manufactured to bs en124 2.casting surface:flat,smooth,free from fleash,pore,without other casting defect 3.sand casting manufactured to be bs en124 class d400 suitable for carriageways &main roads 40tonne saft test load. works safety tested to 44 tonnes =+10% ductile iron improved weight to strength ratio. black coasted finish.