Square 600*600 ductile iron manhole cover

   Specification:

• Black asphaltic coated

• Ductile iron cover in ductile iron frame

• BS EN124 Load Class D400

   Features:

• Highstrength, good toughness, corrosion resistance,

• Rationalstructure ,strong bearing capacity,

• Beautifulappearance, excellent choice of materials,

• Easyto install, long service life.