Specification of Manhole Cover Cast Iron Heavy Duty 1.5 cm thick
Manhole is one of the complementary structures of sewerage system that serves as a checking, fixing and cleaning of drains of debris and congestion during drainage, as well as for bringing together several branches of the channel, either the same or different altitudes. Our manhole production is round and square, hinged and standard, medium duty and heavy duty. For round manhole diameter between 30 cm to 100 cm, for manhole box size between 40 cm to 100 cm. Manhole medium duty thick meat approximately 1 cm, then a heavy duty thick meat approximately 1.5 cm, or can be tailored to consumer demand.