• DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN200 System 1
  • DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN200 System 2
  • DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN200 System 3
  • DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN200 System 4
DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN200

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.

Q: Are ductile iron pipes suitable for mining applications?
Yes, ductile iron pipes are suitable for mining applications. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them ideal for underground mining operations. They can withstand high pressure, heavy loads, and abrasive materials commonly found in mining environments. Additionally, their flexible nature allows for easy installation and maintenance in challenging mining conditions.
Q: Can ductile iron pipe be used for water supply to remote areas?
Ductile iron pipe is indeed applicable for providing water supply to far-flung regions. Its exceptional strength and durability render it suitable for transmitting water over long distances. These pipes can endure high pressure and withstand external loads and impacts, making them an ideal choice for rough terrains and remote locations that pose challenges in terms of maintenance and repairs. Moreover, ductile iron pipes are equipped with a protective lining that prevents corrosion and guarantees the safety of the water for consumption. Consequently, ductile iron pipes prove to be an effective and dependable option for water supply to remote areas.
Q: Are ductile iron pipes suitable for installation in areas with high soil compaction?
Indeed, areas with high soil compaction can accommodate the installation of ductile iron pipes. Renowned for their robustness and longevity, ductile iron pipes exhibit remarkable resistance against external loads and pressures. Their inherent pliability enables them to endure the strains caused by intense soil compaction. Furthermore, ductile iron pipes possess a substantial modulus of elasticity, enabling them to retain their form and structural soundness even when subjected to substantial burdens. Consequently, they present themselves as an exceptional option for regions with high soil compaction, as they adeptly manage the force and deliver dependable and enduring functionality.
Q: Can ductile iron pipe be used for water treatment plant applications?
Yes, ductile iron pipe can be used for water treatment plant applications. Ductile iron pipe is known for its strength and durability, making it suitable for transporting water and other fluids in various industrial settings, including water treatment plants. Its corrosion resistance and ability to withstand high pressure and temperature make it an ideal choice for applications where the pipe is exposed to chemicals, disinfectants, and other treatment processes. Additionally, ductile iron pipe is easy to install, maintain, and repair, making it a cost-effective option for water treatment plant infrastructure.
Q: What are the different methods for tapping ductile iron pipe?
There are several methods for tapping ductile iron pipe, including hot tapping, mechanical tapping, and electrofusion tapping. Hot tapping involves drilling into the pipe while it is still in service and creating a connection without interrupting the flow. Mechanical tapping uses mechanical equipment to create a threaded or grooved connection on the pipe. Electrofusion tapping uses an electrofusion saddle to create a connection by fusing a fitting onto the pipe.
Q: What is the expected joint restraint method for ductile iron pipes?
Typically, when it comes to joint restraint methods for ductile iron pipes, the two commonly used options are mechanical joints or push-on joints. Both of these joint types are reliable and prevent leaks, ensuring the stability and integrity of the pipeline system. Mechanical joints involve the use of rubber gaskets and bolts to tightly seal the joints, while push-on joints rely on a groove and rubber gasket system to create a watertight seal. Both methods have excellent joint restraint capabilities and allow for the smooth transmission of fluids or gases through the pipeline without any risk of joint separation or failure. Moreover, these joint restraint methods also make installation and maintenance easier, which is why they are often preferred for ductile iron pipe systems.
Q: How many degrees can the ductile iron pipe be each?
Although ductile iron has a certain plasticity, it should not be bent in use
Q: What is the minimum cover requirement for ductile iron pipes?
The minimum cover requirement for ductile iron pipes is typically determined by the specific project or engineering design considerations. However, as a general guideline, the minimum cover requirement for ductile iron pipes is often recommended to be at least 2 feet (or 0.6 meters) from the top of the pipe to the finished ground surface. This minimum cover requirement helps to provide adequate protection to the pipe from external loads, soil settlement, and potential damage from construction activities. It also helps to maintain the structural integrity and longevity of the ductile iron pipe system. It is important to note that local building codes, industry standards, and project specifications may dictate specific minimum cover requirements, so it is crucial to consult these resources for accurate and up-to-date information.
Q: Can ductile iron pipes be used for underground chemical transport systems?
Ductile iron pipes are commonly used for various applications due to their strength, durability, and resistance to corrosion. However, when it comes to underground chemical transport systems, there are certain factors that need to be considered before choosing ductile iron pipes as the suitable material. Firstly, the type of chemicals being transported should be evaluated. Ductile iron pipes are generally resistant to a wide range of chemicals, including acids, alkalis, and organic solvents. However, there are some chemicals that can corrode or react with the iron content of the pipes, leading to degradation and potential leakage. Therefore, it is crucial to assess the chemical compatibility and consult with chemical engineers or experts to determine whether ductile iron pipes are suitable for specific chemical transport applications. Secondly, the concentration and temperature of the chemicals should be taken into account. Elevated temperatures and high concentrations of certain chemicals can accelerate the corrosion process, potentially compromising the integrity of the pipes. It is essential to assess the operating conditions and ensure that the ductile iron pipes can withstand the chemical concentration and temperature levels. Additionally, the potential presence of abrasive or erosive chemicals should be considered. If the transported chemicals contain abrasive particles or have erosive properties, it may lead to increased wear and tear on the inner surface of the pipes, reducing their lifespan and potentially causing leaks. In such cases, alternative materials with higher resistance to abrasion or erosion may be more suitable. Lastly, it is important to comply with relevant regulations and standards. Different countries or regions may have specific requirements for underground chemical transport systems, including the choice of materials. It is necessary to ensure that ductile iron pipes meet the necessary standards and are approved for use in such applications. In conclusion, while ductile iron pipes have many desirable properties for various applications, including underground use, their suitability for chemical transport systems depends on several factors. Chemical compatibility, concentration and temperature levels, the presence of abrasive or erosive chemicals, and compliance with regulations should all be carefully evaluated before deciding to use ductile iron pipes for underground chemical transport systems. Consulting with experts in the field is highly recommended to ensure the safety and effectiveness of the chosen piping material.
Q: Can ductile iron pipe be used for hydroelectric power generation?
Yes, ductile iron pipe can be used for hydroelectric power generation. Ductile iron is a type of cast iron that exhibits high strength, durability, and excellent corrosion resistance. These properties make it suitable for various applications, including the construction of hydroelectric power generation systems. Ductile iron pipes can be used for water conveyance in hydroelectric power plants. They are commonly used for penstocks, which are large pipes that carry water from the reservoir to the turbines. Penstocks are typically subjected to high pressure and flow rates, and ductile iron pipes can withstand these conditions. Furthermore, ductile iron pipes are resistant to corrosion, which is crucial in hydroelectric power generation. The water used in the power generation process can be highly corrosive due to its composition and the presence of impurities. Ductile iron's corrosion resistance ensures that the pipes remain robust and durable over time, reducing maintenance and replacement costs. Additionally, ductile iron pipes can be easily joined using various methods such as flanged, mechanical, or push-on joints. This allows for efficient and reliable installation, ensuring the integrity of the water conveyance system in hydroelectric power plants. In summary, ductile iron pipe is a suitable choice for hydroelectric power generation due to its strength, durability, corrosion resistance, and ease of installation. Its use in penstocks and other water conveyance systems contributes to the efficient and reliable operation of hydroelectric power plants.

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