HYJ-W Computer Control Manhole Cover Compression Testing Machine is engineered to determine compression strength and residual deformation of cast iron, composite, and steel fiber reinforced concrete manhole covers. Equipped with additional accessories, it can also conduct compression tests on other materials.

Compliant with key standards including CJ/T3012-1993 (Cast Iron Inspection Manhole Cover), CJ/T121-2000 (Recycled Resin Composite Material Inspection Manhole Cover), JC889-2001 (Steel Fiber Reinforced Concrete Inspection Manhole Cover), and GB/T 23857-2009 (Inspection Manhole Cover), this machine ensures precise and reliable quality assessment. It plays a critical role in enhancing safety and durability of manhole covers for infrastructure projects.