


Remains adhesive(0.01mm) and prevents noise and separation by precision machining(MCT) for the contact area of the sides between the cover and the base plate. Prevents car accidents caused by the separation and damage of the cover.
Noiseless Manhole Cover (For Crossing)
| Size | 300x1000x50, 400x1000x50, 500x1000x50, 600x1000x50 |
| Material | Cover – Base plate – Nodular graphite iron (GCD 500) |
| Static load capacity | Over 40 tons |
| Customer management | Possible to inscribe local government’s logo and letters |
| Place of origin | Mark on the back of the cover and the top of the base plate |
Key Technology