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Ductile iron pipes on the install any special design concept, to understand you!

by:XEX     2021-02-07
Ductile iron pipes on the install any special design concept, to understand you! Pipeline embedment depth should according to the degree of freezing, external load and other factors such as pipeline crossing. In general, buried depth below the frost line 0. 2 meters, and in accordance with the following conditions: when the pipe diameter greater than 100 mm, tube top minimum buried deeply 1. 20 meters. Design of groove bottom width is commonly with pipe diameter 0. 5 meters, and according to the soil condition, to determine the excavation slope ( i) , draw the groove section. Ductile iron pipes and other pipes, uniform flow of frictional head loss for hf = lambda/dv2/2 g, the difference is only 'lambda' ( Hydraulic friction coefficient) , the head loss can be calculated on the original cast iron pipe and local resistance loss. Ductile iron pipes and other pipes, uniform flow of frictional head loss for hf = lambda/dv2/2 g, the difference is only 'lambda' ( Hydraulic friction coefficient) , the head loss can be calculated on the original cast iron pipe and local resistance loss. The presence of the ductile iron pipes for water supply in our country enterprise provides a good performance of new type of tubing. In order to better in the engineering application of nodular cast iron pipe, the design and construction personnel should be familiar with the characteristics of the ductile iron pipes, constantly find problems and solve them, make a design more reasonable, the construction specification, more make the new pipe in water supply engineering play a bigger role. ( The original from http://www. xexfoundry。 com/)
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