Specifications

sanitary sewer manhole cover
1.material:ductile iron
2.OEM service
3.21-year experience
4.anti-theft design

cast iron square sanitary sewer manhole cover

 

product	model(millmeter)	color	material	weight(kg)	applicants
surface water drain grate	500x400x40	any	ductile iron	18	for urban roads, parks, squares and other drainage projects

 

Features

1.   Save mineral resources:

 unsaturated polyester as raw material 

2.   Environmental protection:  

with environmental raw material, non-toxic, harmless to the user, beautifies the urban environment.

 3.  Longevity:  

high strength, corrosion resistance, light weight, rust-proof, anti-aging 

4.   Light weight: 

 product weight is only about one third of cast iron, easy to transport, install, repair, greatly reducing the labor intensity. 

5. Security: 

 The composite plastic composite material recovery value-free, natural anti-theft; according to customer needs and has a locking mechanism to achieve the wells of property theft.