DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN350

DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN350

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 pc

Supply Capability:: 3000 pc/month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Mechnical Joint K Type Ductile Iron Pipe

Self-restrained Joint Ductile Iron Pipe

Ductile Iron Pipe Mechnical Joint K Type

Ductile Iron Pipe DN400

Ductile Iron Pipe DN700

Ductile Iron Pipe DN900

Ductile Iron Pipe DN1200

Ductile Iron Pipes of China on Chip Price DN400 EN545/EN598/ISO2531

· 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 pipes be used for trench crossings?: Yes, ductile iron pipes can be used for trench crossings. Ductile iron pipes are known for their high strength and durability, making them suitable for various applications including trench crossings. They have the ability to withstand heavy loads and provide increased resistance to external forces, making them a reliable choice for such purposes.

Q: Can ductile iron pipes be used in areas with high temperature variations?: Yes, ductile iron pipes can be used in areas with high temperature variations. Ductile iron has a high resistance to thermal expansion and contraction, making it suitable for withstanding temperature fluctuations without compromising its structural integrity or performance.

Q: Can ductile iron pipes be used for stormwater drainage?: Yes, ductile iron pipes can be used for stormwater drainage. Ductile iron pipes are known for their strength and durability, making them suitable for various applications, including stormwater drainage systems. These pipes have high tensile strength and can withstand heavy loads and pressure, making them ideal for carrying large volumes of stormwater. Additionally, ductile iron pipes have a smooth interior surface that reduces friction and allows for efficient flow of water, minimizing the risk of blockages and clogging. With proper installation and maintenance, ductile iron pipes can provide a reliable and long-lasting solution for stormwater drainage.

Q: How are ductile iron pipes different from PVC pipes?: Ductile iron pipes and PVC pipes are utilized extensively in plumbing and water distribution systems, but they differ significantly in terms of their composition and properties. Ductile iron pipes are crafted from a particular form of cast iron that contains graphite nodules, which provide the material with ductility and flexibility. Consequently, these pipes can endure high pressures and heavy loads without succumbing to breakage or cracking. Ductile iron pipes are renowned for their robustness and longevity, making them particularly suitable for underground applications and areas with substantial traffic. Conversely, PVC pipes are constructed from a plastic known as polyvinyl chloride. These pipes possess rigidity and lack the same level of strength as ductile iron pipes. PVC pipes are commonly employed in low-pressure scenarios, such as residential plumbing systems, irrigation, and drainage systems. These pipes are lightweight, easy to install, and resistant to corrosion, rendering them a favored option for residential and non-industrial purposes. The cost disparity between ductile iron pipes and PVC pipes represents another distinction. Due to higher material and production expenses, ductile iron pipes tend to be pricier. Conversely, PVC pipes are relatively inexpensive to manufacture, making them a cost-effective choice for numerous plumbing projects. In summary, the primary disparities between ductile iron pipes and PVC pipes involve their composition, strength, flexibility, and cost. Ductile iron pipes, formed from cast iron, are celebrated for their strength and durability, while PVC pipes, formed from plastic, are lighter and more cost-effective. The selection between these two types of pipes depends on the specific demands of the plumbing project, including pressure, load-bearing capacity, and budgetary considerations.

Q: Do ductile iron pipes require cathodic protection?: Indeed, cathodic protection is necessary for ductile iron pipes. Employing this technique safeguards metallic structures against corrosion by designating them as the cathode in an electrochemical cell. Ductile iron pipes face a high susceptibility to corrosion, particularly in harsh soil environments or when exposed to water that harbors substantial amounts of corrosive elements like chlorides or sulfates. By subjecting the pipe to a direct electrical current, cathodic protection effectively thwarts the innate corrosion process. This approach guarantees the durability and soundness of the ductile iron pipes, thereby diminishing the frequency of repairs or replacements.

Q: What is the expected surge pressure rating of ductile iron pipes?: The surge pressure rating for ductile iron pipes can vary based on several factors, including pipe diameter, thickness, joint type, and manufacturer specifications. Generally, ductile iron pipes are built to withstand surge pressures ranging from 150% to 200% of their working pressure rating. For instance, if a ductile iron pipe has a working pressure rating of 250 psi, it can typically handle surge pressures of 375 psi to 500 psi. To obtain accurate surge pressure ratings for the specific ductile iron pipes being used, it is crucial to refer to the manufacturer's specifications and guidelines.

Q: Can ductile iron pipes be used for gravity sewer systems?: Yes, ductile iron pipes can be used for gravity sewer systems. Ductile iron pipes have the necessary strength, durability, and corrosion resistance to handle the flow of wastewater and withstand the external loads of a gravity sewer system. They are commonly used in underground applications where the pipes are laid in a trench and rely on gravity to transport the sewage.

Q: How are ductile iron pipes inspected for quality control?: Ductile iron pipes are inspected for quality control through a series of rigorous tests and inspections to ensure their compliance with industry standards. One of the most common methods used is visual inspection, where trained inspectors examine the pipes for any visible defects such as cracks, pits, or surface irregularities. This helps in identifying any visual defects that may compromise the overall quality of the pipes. In addition to visual inspection, another crucial quality control measure is dimensional inspection. This involves measuring the dimensions of the pipes, such as diameter, wall thickness, and length, using specialized tools and equipment. By comparing these measurements against the specified tolerances, any deviations can be identified, and necessary corrective actions can be taken. Another important quality control step is hydrostatic pressure testing. In this test, the pipes are subjected to internal pressure that is higher than their intended operating pressure. This ensures that the pipes can withstand the required pressure without any leakage or failure. The test involves filling the pipes with water and gradually increasing the pressure, while closely monitoring for any signs of leakage or deformation. Furthermore, ductile iron pipes undergo various mechanical tests, such as tensile strength testing and impact testing, to evaluate their mechanical properties. These tests involve applying controlled forces or impacts to the pipes and measuring their response. By doing so, the strength, toughness, and durability of the pipes can be assessed, ensuring they meet the necessary requirements. Lastly, metallurgical examinations are conducted to analyze the microstructure of the ductile iron pipes. This involves taking samples from the pipes and using microscopy techniques to examine the grain structure, phase distribution, and any potential defects at a microscopic level. This helps in identifying any issues that may not be visible to the naked eye but could affect the overall quality of the pipes. Overall, the inspection process for ductile iron pipes involves a combination of visual, dimensional, hydrostatic, mechanical, and metallurgical tests. These quality control measures help ensure that the pipes meet the required standards, providing reliable and durable infrastructure for various applications.

Q: Are ductile iron pipes suitable for use in brewery facilities?: Yes, ductile iron pipes are suitable for use in brewery facilities. Ductile iron pipes are durable, corrosion-resistant, and can withstand high-pressure applications, making them ideal for transporting water, steam, and other fluids within brewery facilities. Additionally, the smooth interior surface of ductile iron pipes minimizes friction and prevents the build-up of sediments or organic materials, ensuring the purity and quality of the beer being produced.

Q: Do ductile iron pipes have inner enamel?: If the market supply is indeed difficult, can be done by the owners, Design Institute of supplier relationship; if the design institute requires it to provide products can persist in wilfully and arbitrarily, the available information (if the market can not supply, design a hair ah).

Send your message to us

*Email

*TEL

*Quantity

*Unit