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Electric Manhole Covers In FRP Material

Electric Manhole Covers In FRP Material

  • 2020/08/16

There are many kinds of manhole covers, divided into various professional use, such as water, fire, rainwater, sewage, communication and so on, but the electric manhole cover is different from other manhole covers.


The electric manhole covers in FRP/SMC material is not only tough and stronger, but also non - conductive and strong wave permeability. When the electric manhole covers are used for highway, they are required to be double-decker.


Advantages of SMC/fiberglass manhole cover:

(1) The composite manhole covers have a smooth and beautiful appearance, also they have Imitation leather design to be anti-slip on the cover surface according to the design requirements of coloring and design patterns.

(2) The SMC composite manhole covers are light in weight, about one third of the similar products of cast iron and cement.

(3) The SMC manhole covers have good toughness and are not easy to crack, they can be designed to meet A15/B125/C250/D400/E600/F900 load class according to standard EN 124-1:2015.

(4) The composite manhole covers are tightly combined and balance without warping, bouncing and other phenomena. Cast iron manhole covers are not closely combined, easy to jump when the vehicle is running, high noise.

(5) The SMC composite manhole covers are characterized by corrosion resistance, coloration and good sealing, etc., which are easy to identify and daily maintenance, effectively reducing the labor cost of maintenance and the expense of renewal.

(6) The unit cost of SMC manhole covers is 40% lower than cast iron manhole covers and 20% higher than cement manhole covers.



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