DUCTILE IRON PIPE DN600 K12

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Tianjin
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TT OR LC
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Supply Capability:
30000Tons m/month

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Product Description:

CNBM ductile iron pipe ranges from DN80-DN1600mm (T-Type, Class K9), effective length 6m, comply with ISO2531 Standard

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide

Product Introduction

CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with BS EN545/EN598/ISO2531/BS4772.

Specification& Payment terms

Internal lining:      Pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating:  Pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket:              100% SBR/NBR/EPDM gasket in accordance with ISO4633.

Packing:             Pipes from DN100 to DN300 be bundled with steel belts, the others are in bulk.

Payment term:    By 30% T/T advance payment + 70% Irrevocable L/C at sight.
Packing:             In bulk vessel or in container.

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Q:What material is ductile cast iron 235A?
Pig iron is an alloy of iron and carbon carbon content more than 2%, pig iron carbon content is generally in 2.5%--4%, including C, SI, and Mn, S, P and other elements, is the use of iron ores in blast furnace products. According to the different forms of carbon in pig iron, and can be divided into pig iron, cast iron and steel ball ductile cast iron. Several precipitation of spherical graphite cast iron. The cutting action on the metal substrate than spheroidal graphite flake graphite cast iron, the strength of the matrix organization strength of 70 ~ 90%, the tensile strength is up to 120kgf/mm2, and has good toughness. Ductile iron chemical composition besides iron usually contains: the amount of carbon 3.3.8%, silicon 2.3.0%, manganese, phosphorus, sulfur and no more than 1.5% of the total amount of rare earth, magnesium spheroiditic agent.
Q:What does "K8" mean in ductile iron pipe grades?
In wall thickness, K is the standard for wall thickness. The smaller the figure, the thinner the wall thickness of the same specification.For example, the K7 wall thickness of K8 is less than K8, and the wall thickness of DN500 is less than K9
Q:Which is good for water polo cast iron pipe steel pipe?
In summary, if the demand is not high, the use of stable environment, pressure and vibration is not a place recommend the use of ductile iron pipe; if is an important facility for high requirements or site conditions, abnormal conditions, vibration and impact may be relatively large, with ordinary seamless steel tube.
Q:Method for cutting large diameter ductile iron pipe
When the oxygen and acetylene volume ratio is greater than 1.2, is formed. As more oxygen, burning, the flame length is shortened obviously, cone tapered inner flame almost disappeared, and a strong desire. Making due to oxygen, the oxidation of metal, so are not widely used, only used for welding of brass, to prevent evaporation of zinc.
Q:Ways of connecting ductile iron pipes
Ductile iron pipes are all made of flexible interfaces.
Q:Nodular cast iron, heat treatment process and so on
White cast iron is one of the defects. Firstly, control of carbon equivalent, carbon equivalent is not too high. The second inoculation is reasonable, the step of determining whether carbon in cast iron with graphite precipitation. Ensure adding good inoculant humectant and sufficient time. Once again, the problem of cooling. The cooling can not be too fast, easy fast cooling to produce white tissue.
Q:Steel plastic pipe, ductile iron pipe, steel pipe difference
The utility model has the advantages of wide application range, more connecting modes, suitable for most occasions, good sealing property, proper material selection and anticorrosion treatment, and can greatly increase the corrosion resistance.
Q:Which is better, ductile iron pipe and spray plastic pipe?
Ductile iron pipe corrosion resistance, strength, it is said that the Ming Dynasty ordinary cast iron works now, and now has a new type of dedicated, can be used, construction becomes very convenient, ductile iron pipe has no effect on water quality. Plastic sprayed steel pipe is a new type of pipeline with higher price.
Q:What are the requirements for the hydrostatic test of ductile iron pipes?
The hydraulic pressure test shall be carried out in the backfill before trying to allow the pressure after passing the backfill, backfill, the graded gravel fill to 300mm above the top of pipe, and then the soil backfill, backfill process by 200~300 tamped pipeline above 500mm within more than 500 can be used in artificial ramming, mechanical compaction. The degree of compaction shall not be less than 0.93.
Q:Method for joining cast iron pipes
The connection between the pipe and the pipe adopts the form of socket type or flange disk interface. According to the function, it can be divided into two kinds: flexible interface and rigid interface. The flexible interface is sealed with rubber ring, which allows a certain degree of corner and displacement, so it has good seismic resistance and tightness. It is easy and quick to install than rigid interface. It has little labor intensity according to the casting method.

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