Shanxi Jiaocheng Xinglong Casting Co. Ltd

Hinged ductile iron cover with opening angle max 110degree Built-in hinge design to prevent concrete cracks and sinking caused by inadequate concrete

Characteristics:Hinge and flanged upper-position designed ductile cast iron round manhole cover, with cover opening angle max 110, 3 double clip ring

Tops are fixed into one with stainless stell bolts, tops can be lifted up vertically. Three-point sustain design guarantees that tops do not rock with

Flat gully grating, the frame designed to keep maximun water flow with witer area 1547CM2 and opening angle max 110degree. Access cover and frame manu

Hinged and flanged upper-position designed ductile cast iron round manhole cover, with cover opening angle max 110degree, 3 double clip rings that ens

V-ramp, anti-slip gully grating and frame with straight bars to displacement water flow. Using non-toxic water based paint. Access cover and frame man