ㆍDetailed Description

Serrated gear is made up on the lower part of the base plate and two gear type locking is on the top of the cover. Coloring is a separate project.

Noiseless serrated locking manhole cover

Size	400x500x50 500x500x50 500x640x70 700x700x70 400x1000x70 500x1000x70 600x1000x70 600x600x70 700x700x70
Material	Cover, Base plate - Nodular graphite iron (GCD500)
Static load capacity	Over 35 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