ㆍDetailed Description

Prevention of noise and separation of the cover from manhole Solid locking system without loosening and play phenomena

Noiseless serrated locking manhole cover

Size	∮648 , ∮766 Rainwater, Wastewater
Material	Cover, Base plate - Nodular graphite iron (GCD500)
Static load capacity	Over 45 tons
Customer management	Possible to inscribe local government`s logo and letters

 

Key Technology

• The convenience and stability of opening and shutting
• Opening and shutting the cover pressing the three locking hole on the upper part of the cover
• Cross-section locks and serrated locking type on the lower part of the cover