Ductile Iron Pipe DN150 DN300 K8 K9 K7 C

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Quick Details

Place of Origin:
China (Mainland)
Brand Name:
CMAX
Model Number:
T type / K type / Flange type
Length:
6m / 5.7m / Negotiable
Standard:
ISO2531 / EN545 / EN598
Application:
Potable / Sewage water
Diameter:
DN80~DN2200
Shape:
Round
Hardness:
230
Pipe Wall Thickness:
standard
Pull Strength:
420
Yield (≥ MPa):
300
Material:
Ductile Iron
Type:
Centrifugal ductile cast iron pipe
Certification:
ISO2531 / EN545 / EN598
Outer Diameter:
80-2200
Thickness:
standard
Specification:
DN80~DN2200

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Q:What are the advantages of cast iron pipes?
Ductile iron pipe is under high water pressure, can resist the external load change and adapt to the geological conditions, the pipe has the advantages of high strength, good toughness, corrosion resistance, convenient installation, flexible interface, strong shock resistance, low labor intensity, can be applied to the poor geological location and across the road, without additional processing pipe, and then with strong corrosion resistance, and can be applied to coastal saline alkali area. At present, it is widely used in underground pipeline project. Large pipe installation project can reflect the advantages of convenient installation and low labor intensity.
Q:What is the content of silicon in silicon molybdenum ductile iron?
Customers generally give a wide range, most of the national standard "reference" the United States of similar brands suspected. Especially 3.75-4.25% Si too big. We can narrow the scope according to their actual situationHowever, the high Si content of the end we can pregnant before Si% and several birth control adjustment. I personally think that many times easy inoculation, increased nucleation; more than 517 in terms of strength, the lower the content of Mn, some clients request F content in more than 95%, but do not worry about the intensity of the problem, even if the F matrix as long as the components of control will be above 517. Spheroidizer we can choose good quality, spheroidization time have good control over 60S,
Q:Classification of cast iron pipes
Sand casting centrifugal cast iron pipe:The sand casting centrifugal cast iron pipe is made of gray cast iron. It is suitable for the transportation of pressure water such as water and gas.
Q:Why is the sound speed of nodular cast iron lowered after heat treatment?
This may be the material microstructure changes after heat treatment, is generally the pearlite content increased, the available change heat treatment and then check the corresponding microstructure and corresponding measuring sound velocity adjustment, such as annealing, normalizing etc..
Q:Is nodular cast iron pipe filled with Yau Ma Tei?
In many areas of our country, ductile iron pipe in the middle and small diameter to tube connected with the tube, the bearing type or flange interface method; ductile iron, angle limit must be allowed better seismic performance and sealing performance.
Q:Ductile iron pipe is flexible pipe or rigid pipe
Steel tubes, of course, because ductile iron pipes are not easily deformed.
Q:How to control mortar proportioning in ductile iron pipe cement coating
The mixing ratio of ductile iron pipe cement coating mortar is indicated on the design drawings, and the amount of raw material can be calculated according to mortar varieties and mixture ratio.
Q:Usage of ductile iron pipe expander
Usage of ductile iron pipe expander:1, the expansion device should check its type, specification and piping configuration before installation, must comply with the design requirements.2, the expansion of the inner sleeve should be noted that the direction of the inner sleeve is consistent with the direction of the medium flow. The hinge rotation plane of the hinge type telescopic device should be consistent with the displacement rotation plane.3, the need for "cold tight" expansion device, pre deformation of the auxiliary components should be installed in the pipeline before they can be removed.4, it is strictly prohibited to use telescopic deformation method to adjust the installation of the pipe, so as not to affect the normal function of the telescopic device, reduce the service life and increase the piping, equipment and supporting components of the load.5 、 during installation, welding slag is not allowed to splash to the surface of wave shell, and the wave shell is not allowed to suffer other mechanical damage.6, pipe installation is completed, should be removed as soon as the wave expansion device used for installation and transportation of yellow auxiliary positioning components and fasteners, and according to the design requirements will be transferred to the specified position limiting device, the pipe system has the ability to compensate fully in the environmental conditions.
Q:What is the relationship between the installation direction of the ductile iron pipe and the direction of flow?
Suppose the water flows from east to west, then the pipe mouth is in the East socket at the West
Q:Ductile iron pipe connection mode
Jack painted on the outer surface and rubber lubricant: lubricant evenly installed ring inner surface, outer surface coating in the socket to socket socket parts lubricant line all the brush in the socket.

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