DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN500

DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN500

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 pc

Supply Capability:: 3000 pc/month

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Duct Iron Pipe DI Pipe ISO 2531 DN 80-2000mm PN 16

· Material : Ductile Cast Iron

· Size Range : DN 80mm to DN 2000mm

· Unit Effective Length : 6m or 5.7m

· Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007

· Annual capacity : 200,000 tons

· Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.

· Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179

· Special requirements on external coating and internal lining can be applied

· We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

Additional Parts:

Each pipe is strictly inspected according to related standard to ensure permanently high performance.
Easy Installation at site and service free for life
Long Service Lifespan
Quotation will arrive you within 24hours once we get your inquiry.
We guarantee offering you a competitive price.
A copy of original inspection reports of pipes will be offered after shipment.
Photos of loading process will be sent to the customer after shipment effect.
We will follow-up the delivery progress after shipment effect and update to the customer on weekly basis.

Q:Can ductile iron be welded? Is weldability comparable to gray iron?: Suitable for the full range of cold welding welding, welding cast iron base material can almost all, and it is easy to achieve cast iron and carbon steel dissimilar metal welding, such as solving matrix fracture, crack, wear, hole filling defects after welding can be machined, many applications in the engine casing, cylinder head, casting machine, gear base the tooth of iron castings.

Q:Can ductile iron pipe be used for wastewater treatment plant sludge handling?: Indeed, ductile iron pipe is suitable for the handling of sludge in wastewater treatment plants. Possessing strength and durability, this material resists corrosion and endures the challenging conditions related to sludge management. Frequently employed in wastewater treatment plants for sludge transport, it ensures remarkable structural integrity and boasts an extended lifespan. Moreover, ductile iron pipe proves effortless to install and maintain, rendering it a pragmatic selection for sludge handling purposes within wastewater treatment plants.

Q:Are ductile iron pipes resistant to root intrusion?: Although ductile iron pipes typically show resistance to root intrusion, they are not completely impervious. Despite the strength and durability of the material, root intrusion can still happen if there are any cracks, joints, or damaged parts in the pipes. It should be emphasized that root intrusion tends to occur more frequently in older or inadequately maintained pipes, where cracks or gaps may eventually form. However, modern ductile iron pipes are frequently coated with protective layers or linings to decrease the likelihood of root intrusion. Moreover, regular inspection and maintenance can aid in identifying and resolving potential problems before they become more serious.

Q:Are ductile iron pipes suitable for use in desalination plants?: Yes, ductile iron pipes are suitable for use in desalination plants. Ductile iron is known for its high strength and durability, making it capable of withstanding the harsh conditions and corrosive nature of desalination processes. Additionally, ductile iron pipes have excellent resistance to internal and external corrosion, making them a reliable choice for transporting the high-pressure brine and freshwater in desalination plants.

Q:Does the cast iron pipe need separate corrosion protection?: No, the inner and outer corrosion protection of the tube has been done.

Q:How do ductile iron pipes handle water velocity?: Ductile iron pipes are capable of handling high water velocities due to their inherent strength and durability. The material's flexibility enables it to withstand the force and pressure created by fast-moving water, making it suitable for applications where high water velocity is a concern.

Q:What is the expected internal lining material for ductile iron pipes?: The expected internal lining material for ductile iron pipes is typically cement mortar or polyethylene.

Q:Can ductile iron pipes be used in marine environments?: Yes, ductile iron pipes can be used in marine environments. Ductile iron is a type of cast iron that exhibits excellent mechanical properties, high corrosion resistance, and durability. These properties make it suitable for various applications, including marine environments. Marine environments are known to be highly corrosive due to the presence of saltwater, high humidity, and other harsh conditions. However, ductile iron pipes are designed to withstand such conditions. They have a protective layer called the "graphite skin" that acts as a barrier against corrosion. This graphite skin helps to prevent the formation of rust and protects the pipe from degradation. Furthermore, ductile iron pipes can also be protected with additional coatings or linings to enhance their resistance to corrosion in marine environments. These protective coatings can include epoxy, polyurethane, or zinc coatings. These coatings act as an extra layer of defense against corrosion, ensuring the longevity and reliability of the pipes in marine environments. It is important to note that proper maintenance and regular inspection are necessary to ensure the optimal performance of ductile iron pipes in marine environments. This includes regular cleaning to remove any marine growth or debris that may accumulate on the pipes and conducting routine inspections to detect any signs of corrosion or damage. In conclusion, ductile iron pipes can indeed be used in marine environments. Their inherent corrosion resistance, durability, and the ability to apply additional protective coatings make them a suitable choice for various marine applications.

Q:What is the expected thrust restraint method for ductile iron pipes?: The expected thrust restraint method for ductile iron pipes is typically achieved through the use of mechanical joint restraints. These restraints are designed to resist the axial forces or thrust generated by the fluid pressure inside the pipe. The most common types of mechanical joint restraints used for ductile iron pipes include thrust blocks, tie rods, and harness restraints. Thrust blocks are concrete structures placed around the pipe joints to resist the thrust forces. They are typically constructed at bends, tees, and other changes in direction to prevent the movement of the pipes. Tie rods are another common method of thrust restraint, where steel rods are anchored to the pipe and secured to an immovable structure to counteract the thrust forces. Harness restraints consist of a series of steel rods or cables that encircle the pipe and are anchored to the ground on either side. These restraints distribute the axial forces along the length of the pipe, preventing movement and ensuring stability. The specific thrust restraint method used for ductile iron pipes may vary depending on factors such as pipe diameter, fluid pressure, soil conditions, and local regulations. It is important to consult with industry standards, engineering guidelines, and local authorities to determine the appropriate thrust restraint method for a given application.

Q:Can ductile iron pipes be used for irrigation pivot systems?: Yes, ductile iron pipes can be used for irrigation pivot systems. Ductile iron pipes have high tensile strength and durability, making them suitable for handling the pressure and load requirements of irrigation pivot systems. Additionally, their corrosion resistance makes them a reliable choice for long-term use in such applications.

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