There are several kinds of ductile iron pipes?
How to classify?
Often have the customer call later described not clear what product is this, have the customer said I want to be used outdoor water supply ductile iron pipes, pipe clamp link do you have any, I said, we have this product, but can't do water use, clamp link of cast
iron pipe is for the use of the drainage pipe, then I give up this customer, simply can't figure out what you want, so how dare I give others delivery, let me introduce you to cast iron
pipe is how classification according to the manufacturing method can be divided into: continuous cast iron sand mold centrifugal socket straight tube, straight pipe and sand mold iron pipe.
According to the different material used can be divided into: gray iron, ductile cast iron pipe and high silicon tube.
1, continuous cast iron straight: continuous cast iron straight pipe the continuous casting of grey cast iron pipe, suitable for carrying fluid such as water and gas pressure.
2, drainage cast iron pipe: ordinary cast iron drainage socket pipe and pipe fittings.
Seismic interface flexible cast iron drainage straight pipe, this kind of cast iron pipe rubber ring seals, bolts, under internal pressure good flexural, scalability.
Able to adapt to the larger axial displacement and lateral by torsion deformation, suitable for high-rise building indoor drains, particularly suitable to the earthquake zone.
Look from the interface forms can be divided into: W type flexible cast iron drainage pipe, B type flexible cast iron drainage pipe, type A flexible cast iron pipes, water supply cast iron pipe;
Feed water and iron pipes more than 18 casting molten iron after adding nodularizer, high-speed centrifugal casting by centrifugal ductile cast iron machine pipeline, the essence of the ductile iron pipes have iron, steel performance, corrosion performance, can good ductility, good sealing effect, easy to install, it is mainly used for municipal, industrial and mining enterprises, water supply, gas, oil, etc.
Is the first selection of water supply pipe, has the very high cost performance.
4, sand mold centrifugal cast iron straight: sand mold centrifugal cast iron straight pipe material of grey cast iron, suitable for carrying fluid such as water and gas pressure.
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