Trench covers

009 副本

trench covers

Use banding steel grating to design and manufacture, widely used in urban road,square,garden,docks and airport,parking lot,highway,railway,industrial engineering and other kinds of industrial and civil architecture.


Beautiful shape: line forthright,silver appearance,modern trend.

Best drainage:Leakage area is 83.3%,which is more twice than cast iron.

Hot dip galvanized: rustproof force is powerful,free maintenance and replacement.

Security design: cover and frame connecting with hinge,guard against the ft, safety,and easy to open.

Save on investment:when big span,and heavy load,the price is lower than cast iron,economizing the expenses of stolen or replacement.

High strength:the strength and toughness are far higher than cast iron,and can be used in and docks,airports,such big span heavy load place.

surface treatment

Hot-dip galvanizing is a form of galvanization.It is the process of coating steel grating with a thin zinc layer,by passing the metal through a molten bath of zinc Mean coating thickness is 70μm when steel bars range from 3mm to 5mm in thickness.

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