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Product Features Of Composite Sewage Cover, Cast Iron Manhole Cover

1. Appearance: the composite sewage cover series products are bright and clean and beautiful in appearance. According to the design requirements of coloring and design patterns.
 
Cast iron manhole cover series products are easy to rust, corroded and have poor appearance effect.
 
The surface of cement well cover series products is not smooth and difficult to be colored.
2. Weight: the composite well cover series products are light in weight, about one third of the same products of cast iron and cement.
 
3. Toughness: composite well cover series products have good toughness and are not easy to crack.
 
Cast iron well cover series products are rigid, lack of toughness and easy to crack.
 
Cement well cover series products have strong firmness, lack of toughness and rigidity, easy to crack.
 
4. Vehicle operation: the cover and seat of composite well cover series products are closely combined, and the balance is free of warping, bouncing and other phenomena.
 
The cover and seat of cast iron well cover series products are not closely connected, and the vehicle is easy to bounce when driving, and the noise is large.
 
Cement well cover series products cover and seat are not closely combined, and the vehicle is easy to bounce and damage when driving.
 
5. Maintenance situation: because of its corrosion resistance, light weight, colorability, good airtightness and other characteristics, the composite well cover series products are easy to identify and daily open maintenance, effectively reducing the labor cost of maintenance and the expenditure of renewal cost.
 
Cast iron well cover series products are heavy, easy to rust and corrosion, easy to lose, increased the maintenance difficulty and renewal cost.
 
The cement manhole cover series products are heavy, which increases the difficulty of maintenance.
 
6. Unit cost: the unit cost of composite well cover series is 40% lower than that of cast iron well cover series and 20% higher than that of cement well cover series
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