SYI can supply ductile iron Manhole Cover with Connectable Frame Bars, Gas sealed type.
SYI Ductile iron manhole cover with connectable frame bars is made from spherical graphite cast iron (ductile iron) by machine moulding. Very good quality, smooth and free from sand holes, blow holes, distortion or any other defects. We have several exist moulding which loading capacity is 40 tons.
