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Use Point of Ductile Iron Pipes

Nov 27, 2017

Do you know the use point of ductile iron pipes?

1, Trench excavation

The bottom width of the trench should be calculated as follows: B = D1 + 2 (b1 + b2)

2, Trench support

According to the soil, groundwater, slotted section, load conditions and other factors to design, require it should be solid and reliable to prevent landslides. Pay attention that the support shall not hinder the down pipes.

3, T-type interface pipe should be set at the vertical or horizontal corner branch pier. It should be based on diameter, corner, working pressure and other factors calculated by the support pier size.

4, The transport of drinking water, the pipeline should not pass through poisonous contaminated areas, such as the need to wear protective measures should be taken.

5, Where the socket connection of ductile iron pipe line, must be calculated by the branch pier, see the National Building Standard Design Atlas 03SS505 "flexible interface water supply pipe pier."

6, The outer anti-corrosion coating of ductile iron pipe should be based on the soil condition to choose to galvanized and epoxy asphalt coating or higher requirements of the coating.

7, The pipe installation is completed, the pressure test pass, should be washed with low chloride water and 0.03% potassium permanganate solution disinfection.

Ductile Iron Pipes

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