Drainage cover is designed based on press-welded grating and uses it as the basic material.
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Pleasing Look: simple lines ,silver surface and modern conception .
Optimized Draining Design: Draining area amounts up to 83.3%,which is equal to twice of the cast iron product.
Hot-dip Galvanization: Strongly rust-proof, need no maintenance and replacement within 30 years.
Saving Investment: Cost less than cast iron product in the case of large span and heavy load, and can save expenses incurred by replacement of stolen or crushed cast iron covers
Anti-theft Design: The cover and the frame are connected with chains, which is anti-theft, safe and easy to open .
High Strength: Much higher strength and ductility than cast iron and applicable to environments of large span and heavy load such as docks and airports ,etc.
Various Types:Drainage cover can meet different environment ,load, span and shape requirements, and can be customized based on provided size and shape.
Usage: Drainage cover has been widely accepted earlier in Europe, America, Japan and Australia ,etc., which is widely used in fields including municipal administration , garden construction , park sites , plants , highways , docks and airports, etc .