DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN200

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
23 m.t.
Supply Capability:
3000 m.t./month

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Product  Discription:

OKorder is offering high quality K7 CLASS DN200 Ductile Iron Pipe and Pipe Fittings at great prices with worldwide shipping. Our Pipe and Pipe Fittings are available in a wide range of styles and materials, and are guaranteed with a full warranty. Our supplier is a world-class manufacturer of Ductile Iron, and our products are utilized the world over, with OKorder annually supplying a full range of products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee a competitive price.

 

Product Applications:

Our K7 CLASS DN200 Ductile Iron Pipe and Pipe Fittings are incredibly reliable and ideal for potable water transmission and distribution as well as utility projects (water and sewer).

 

Product Advantages:

OKorder's K7 CLASS DN200 Ductile Iron Pipe and Pipe Fittings are of the highest quality and we offer external coatings and internal linings as well as accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc. We include a copy of the original inspection reports upon shipment, photos of the loading process sent to the customer, and delivery progress weekly updates

 

Main Product Features:

·         Strict inspections according to related standards

·         Easy installation and service-free

·         Extended service lifespan

 

Product Specifications:

Material: Ductile Cast Iron

Sizes: DN 80mm – DN 2000mm

Effective Length: 6m – 5.7m

Standards: ISO 2531:1998 / EN 545:2006 / EN 598:2007

Annual Capacity: 200,000 tons

Coating: Zinc 130g/m² (ISO 8179-1); 70 micron bitumen coating

Cement: Portland Cement / High Alumina Cement / Sulphate Resisting Cement Lining (ISO 4179)

 

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered by OKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: What is the difference between Cast Iron and Ductile Iron?

A3: Cast iron is a generic name for any high carbon molten iron poured as a casting. When used to refer to pipe, cast iron (sometimes called gray iron) is a specific type in which the free graphite (Carbon) is in the shape of flakes. Ductile Iron is a specific type of cast iron in which the free graphite is in the shape of nodules or spheroids. Although nearly identical chemically, the two irons are quite different metallurgically. The current standard for Ductile Iron Pipe (ANSI / AWWA A21.51 / C151) requires a minimum grade of 60-42-10 (60,000psi Ultimate Tensile Strength, 42,000psi Yield Strength, and 10% Elongation). Although Cast Iron was the best engineering material available for pipe production for nearly five hundred years, the development of Ductile Iron Pipe provides a far superior product.

Q4: How much thermal expansion should I allow for?

A4: The linear expansion of ductile iron pipe as a result of thermal effects is very small, with ductile iron expanding less than concrete. For rubber gasketed joints and mechanical joints assembled in accordance with the manufacturer’s instructions, there is enough clearance from the face of the plain end of the pipe to the back of the bell to account for significant thermal growth before beginning to make metal-to-metal contact. Except for very long runs of exposed piping, particularly if flow is intermittent, thermal expansion is usually not a concern.

Q5: What is the maximum velocity recommended for cement-lined Ductile Iron pipe?

A5: Although there are differing opinions on this subject, a conservative maximum velocity for design purposes is 7 fps (feet per second). Ductile Iron pipe may be rated as high as 350 psi service. A pipeline operating at 7 fps velocity could account for a 350 psi pressure surge (7fps X 50 psi/fps). Adding a potential surge pressure equal to the pressure rating of the pipe encroaches significantly on the safety factor. Exceeding 7 fps velocity could produce potentially damaging surge pressure.

Q6: Can cement-mortar linings be repaired in the field?

A6: Repair is achieved by first cutting out the defective or damaged lining to the metal so that the edges of the lining not removed are reasonably perpendicular to the pipe wall or slightly undercut. A stiff mortar is then prepared and applied to the cutout area and troweled smooth with adjoining lining. To provide for proper curing of patches by preventing too rapid of a moisture loss from the mortar, the patched area is normally seal-coated immediately after any surface water evaporates, or alternatively the area is kept moist (e.g. with wet rags or burlap over the area or with the ends of the pipe or fitting taped over with plastic film, etc.). Of course, in potable water-related applications, no patch or curing components should be used in the repair that would negatively affect health or water quality.

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Q:Will the cast iron pipes rust?
Qualified ductile iron pipes can be used for more than a hundred years. The main place where rust is easily exposed is where the outer wall meets the soil because of its high humidity and high oxygen content. Qualified anticorrosion can effectively resist rust, its process principle can not give you the details. Although the wall has a long flow of water, but oxygen scarce, compared with the outer wall is not easy to corrosion, but there is cement lining is necessary.
Q:How much is the installation of cast iron pipe drainage 1 meters?
Water supply pipe is the first choice, with high cost performance. Compared with the PE pipe, from the installation time, ductile pipe PE pipe installation is simple and rapid, and after the installation of internal and external bearing pressure better;
Q:Can cast iron pipes not be used for domestic water supply and drainage?
Cast iron pipes are mostly used in fire fighting, fire hydrant water supply and indoor water supply. Plastic pipes are used in general and high water riser pipes are made of plastic steel composite pipes
Q:DN300 what's the price of the ductile iron pipe / the weight and the price of one meter?
Graphite is exist in spherical form, usually graphite size is 6-7, casting spheroidization grade control requirements for 1-3 quality (spheroidization rate greater than 80%), so the mechanical properties of the material itself has been improved, has the essence of iron, steel performance.
Q:What's the advantage of FCD50 ductile iron?
Ductile cast iron pipes are called ductile iron pipes.
Q:What is the content of silicon in silicon molybdenum ductile iron?
Silicon molybdenum material, similar to the United States IDM5381, 5402 and other brands, engaged in automotive components (such as turbocharger parts), and other heat resistant parts have been exposed to high temperature
Q:DN1800 can the length of ductile iron pipes be several meters? What is the total weight?
Ductile cast iron pipe after annealing, the microstructure is ferrite and pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc..
Q:Ductile iron pipe joint damage, water leakage, want to see the connection with other pipe fittings, how to operate?!
Sawing grinding head, increasing steel socket set
Q:What is the difference between spheroidal graphite cast iron QT400-15 and QT400-15A? What does the A mean later?
This should be said in front of the material, and later add A, should refer to the grade
Q:Method for cutting large diameter ductile iron pipe
When the ratio of oxygen to acetylene is 1 to 1.2, the flame produced is called neutral flame, also known as normal flame. It consists of flame core, inner and outer flame: near the welding nozzle at the flame core, a bright white; followed by the flame, a blue purple, the highest temperature, about 3150 DEG C, from the front cone at 2 ~ 4mm, and the application of welding wire to the workpiece; the outer flame is orange red. Neutral flame is a flame commonly used in welding. It is used to weld low carbon steel, medium carbon steel, alloy steel, copper and aluminum alloy.

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