The material of cast iron manhole cover determines its superiority

There are many kinds of manhole covers, iron, cement, resin, composite, so what kind of material of manhole cover quality is good?

Cement manhole cover - Cement manhole cover is originally used more, more used in residential areas and less obvious occasions, cement manhole cover low cost, with active anti-theft, and cement manhole cover is generally thick, recycling value is low, so it is not easy to lose. However, the cement manhole cover is generally poor in weight, so the coefficient is low.

Composite manhole cover - Composite manhole cover is made of non-metallic materials, supported by steel bars in the middle, and is generally made of polymer materials, glass fiber materials, resin materials and so on. The composite manhole cover is colorful and changeable, and has the characteristics of active anti-theft, which is more and more widely used. The composite manhole cover material is light but the load bearing is not low, so the coefficient is high.

Ductile iron manhole cover - ductile ink manhole cover rigidity, relative to the other two kinds of manhole cover cost is slightly higher, but some important high-load occasions, such as high-speed companies, urban trunk roads, basically still use ductile ink manhole cover more.

1 Cast iron manhole cover, now cast iron manhole cover accurate statement is ductile iron manhole cover, due to good material (metal material), good pressure resistance, high load, widely used in municipal roads, highways, communications, electricity, tap water, communities, schools and other parks. Especially the second ring, high-speed, airport these heavy duty occasions, the application of metal material cast iron manhole cover. Cast iron manhole cover: suitable for municipal roads, highways, communications, power, tap water, communities, schools and other parks. Glass fiber reinforced plastic manhole cover: mainly used in municipal roads, water supply, power supply, post and telecommunications, street lights, residential areas, garden planning, oil and gas exploitation, chemical production, sewer cover, sanitation and other engineering projects. Steel fiber concrete manhole cover: widely used in municipal engineering, construction engineering, public works, gardens and other all need ground, road drainage, drainage places and areas.

2 Composite manhole cover, mainly used in municipal roads, water supply, power supply, post and telecommunications, street lights, residential areas, garden planning, oil and gas exploitation, chemical production, sewer cover, sanitation and other engineering projects. Its characteristics, bright colors, can be customized patterns, especially in residential areas and villas and other occasions, is the mainstream of application.

3 Cement manhole cover, widely used in municipal engineering, construction engineering, public works, gardens and other all need ground, road drainage, drainage places and areas.

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