The sewer manhole cover is used to cover the road or deep well in the home to prevent people or objects from falling.Tongzhou Liuhe casting is divided into metal manhole cover, high -strength fiber cement concrete manhole cover, resin manhole cover, etc.
How much is the well cover of the sewer
The price of a watercourse of the waterway in the kitchen trench drainage ditch lid of the composite manhole cover is 17 yuan.The price of the drainage manhole cover of the well -deserved manhole cover of the composite well cover is 27 yuan.The kitchen stainless steel floor covering the sewer cover the shehded well cover the rainwater dumpling ditch drainage ditch the price of the Ming ditch is 22 yuan.
Why is the sewer manhole cover?
Because cylindrical shapes can be the best pressure on the surrounding land.Moreover, the entry and exit holes of the sewer means that there is enough space for a person to pass, and the cross section of a person who climb down the ladder is basically round.Therefore, the circular shape naturally becomes the shape of the entrance and exit holes in the sewer.
Specification of the sewers of the manhole cover
The lane manhole cover on the road is different from the specifications, and the diameter is also different. The specifications in the standard are 500, 600, 700, and the middle is divided into light.The common manhole cover is 700 heavy type, and the diameter of the manhole cover is generally 760mm. The standard specifications of 500, 600, 700 are not the diameter of the manhole cover.

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