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Product introduction

Product introduction

Centrifugal nodular cast iron pipe is an ideal pipe material for urban water supply, drainage and gas pipeline network. It has the advantages of high strength, good plasticity and strong corrosion resistance. It has the essence of iron and steel performance, and is the replacement product of traditional cast iron pipe and ordinary steel pipe

Quality Control

Historical review

Related knowledge

brief introduction

The soil conditions are as follows: coarse grained soil with little or no fine soil; pipe trench backfill density: the backfill density is moderate compaction, and the standard Proctor density is not less than 85%; ; traffic load: traffic load parameter β = 1.5 remarks: ; 1. The buried depth is mainly affected by soil type, backfill compactness and road load

technical parameter

Buried depth parameters