Ductile Iron Pipe of China DN400-DN900 EN545 Factory Quality
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 200000 m.t./month
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1. Ductile Iron Pipe Description:
1) Pipes confirm to ISO2531,K9 class,T type joint,6m long,with inside cements lining conform to ISO4179, outside Zinc spraying(130g/m2) and bitumen coating(70μm) conform to ISO8179.
2) Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633
3) we can do third party inspection according to customer's request.
4) Our products have been sold to many international market, such as Middle East and South East Asia and Africa.
2. Main Features of the Ductile Iron Pipe:
1).Quality guarantee
• Chemical checking
• NDE after rough machining
• Mechanical testing after heat treatment
• Final NDE,dimension inspected
2).Quality document
• Full Q.A document as per client request
3).Packing and Shipping
• standard export package(carton/wooden case/pallet)
• accept FOB,FAS,CNF,CIF door to door etc or customer designated shipping agent
4). Length: 6m or cut into 5.6m, 5.7m, 5.8m
5). Internal Lining: Cement, conform to ISO4179
6). External coating: Zinc + Bitumen, conform to ISO8179
4. Ductile Iron Pipe Specification:
Additional Services: Internal Coating
Packaging: packed in bag, plastic bag, steel strip, steel wire,double wire, iron box, wooden box, tarpaulin, plastic sheeting
Inspection: MOODY SGS BV GL DNV ABS LIOYD’S
Test: X-ray, UT, magnetic particle,inspection,hydrostatic test.
Processing service: Beveling, Threading, Slotting, Cut-to length, Bends, Quench and Temper, Fabrication, Double-jointing and On-site assistance
Documentary: MTC, material certification,Origin certification, CI or PI,Test Report, export licence, handling order, B/L,insurance policy,shipping instructions, contract, packing list etc.
Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.
5. FAQ:
We have organized several common questions for our clients,may help you sincerely:
1. Q: Why would you choose ductile iron pipe rather than other pipe materials?
A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.
2. Q:Why can you guarantee the inner of pipes can’t be corroded?
A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.
- Q: Are ductile iron pipes suitable for use in irrigation gate systems?
- Yes, ductile iron pipes are suitable for use in irrigation gate systems. Ductile iron is a type of cast iron that has enhanced strength and flexibility, making it a durable and reliable choice for applications such as irrigation gate systems. Ductile iron pipes are known for their high tensile strength and resistance to corrosion, which is important for maintaining the integrity of the irrigation system. Additionally, ductile iron pipes have the ability to withstand high pressure and provide a long service life, making them a cost-effective solution for irrigation gate systems. Overall, ductile iron pipes are well-suited for use in irrigation gate systems due to their strength, durability, and resistance to corrosion.
- Q: What is the expected thermal expansion coefficient of ductile iron pipes?
- The expected thermal expansion coefficient of ductile iron pipes varies depending on several factors, including the specific composition of the iron and the temperature range in which the pipes are being used. However, as a general guideline, the thermal expansion coefficient of ductile iron pipes typically falls within the range of 10 to 14 x 10^-6 per degree Celsius (10-14 μm/m°C). This means that for every degree Celsius increase in temperature, a ductile iron pipe will expand by approximately 10 to 14 micrometers per meter of length. It is important to note that these values are approximate and may vary depending on the specific conditions and application of the pipes.
- Q: What is the relationship between continuous cast iron pipe and ductile iron pipe?
- Cast iron pipes are divided into continuous cast iron pipes and centrifugal cast iron pipes according to different casting methods. They are divided into gray cast iron pipes and ductile iron pipes according to different materials.
- Q: Are there any special coatings or linings used for ductile iron pipes?
- Yes, there are special coatings and linings used for ductile iron pipes. These coatings are applied to the interior and exterior surfaces of the pipes to protect them from corrosion and extend their lifespan. Common coatings include cement mortar lining, epoxy lining, and polyethylene encasement. These protective layers help prevent the formation of rust and scale, ensuring the durability and longevity of ductile iron pipes.
- Q: How do ductile iron pipes handle water hammer in high-rise buildings?
- Ductile iron pipes are well-suited to handle water hammer in high-rise buildings due to their inherent strength and durability. These pipes have the ability to withstand sudden changes in water flow and pressure, effectively reducing the impact of water hammer. Additionally, ductile iron pipes have excellent sound attenuation properties, which further minimizes the noise and vibrations caused by water hammer. Overall, ductile iron pipes offer reliable and long-lasting performance, making them an ideal choice for managing water hammer in high-rise buildings.
- Q: What is the typical cost of maintenance for ductile iron pipes?
- The typical cost of maintenance for ductile iron pipes can vary depending on various factors such as the length of the pipes, the condition of the surrounding soil, and the specific maintenance activities required. However, on average, the cost of maintenance for ductile iron pipes can range from a few hundred to a few thousand dollars per mile per year.
- Q: What are the typical joint restraint requirements for ductile iron pipes in seismic zones?
- Ductile iron pipes in seismic zones require joint restraints to guarantee structural integrity and prevent displacement or separation during seismic events. These requirements are essential for maintaining the functionality and reliability of the pipeline system. In seismic zones, one common joint restraint requirement for ductile iron pipes is the utilization of flexible or mechanical joint systems. Flexible joints, like rubber gasket joints, are capable of absorbing and accommodating seismic movement. These joints allow for axial movement, angular deflection, and pipe expansion/contraction, thereby reducing the likelihood of pipe failure or damage. Another crucial requirement involves employing adequate anchoring systems to secure the pipes to surrounding structures or embed them in concrete thrust blocks. This prevents excessive movement or displacement during seismic events. Anchoring systems help distribute earthquake forces and minimize the risk of pipe separation or breakage. Moreover, seismic design standards often necessitate the use of seismic restraints, such as seismic joint restraints or bracing systems, to further enhance the stability and integrity of ductile iron pipes. These restraints restrict pipe movement in specific directions, thereby reducing potential damage and preserving overall system performance. It is important to acknowledge that specific joint restraint requirements for ductile iron pipes in seismic zones may vary based on local building codes, seismic activity levels, and engineering considerations. To ensure compliance with necessary seismic resistance requirements, it is crucial to consult relevant regulations and work with experienced professionals during the design and installation process.
- Q: How do we handle the leaking of the ductile iron pipe?
- If it is installed in the pipeline, test pressure leakage, glue can be repaired and then welded, usually with hoop.
- Q: How do ductile iron pipes perform in high-traffic areas?
- Due to their inherent strength and durability, ductile iron pipes exhibit exceptional performance in high-traffic areas. The composition of these pipes includes graphite nodules, which impart them with their characteristic ductility. This ductility enables the pipes to flex and endure heavy loads and vibrations caused by traffic without experiencing any cracks or breaks. In areas with high traffic, where the ground is constantly in motion and subjected to heavy vehicle loads, ductile iron pipes demonstrate superior resistance to stress and impact. Their capacity to absorb and distribute the pressure from traffic ensures that these pipes maintain their structural integrity over time. This aspect is particularly significant since any damage or failure in a pipe system can lead to expensive repairs and disruptions in the water supply. Moreover, ductile iron pipes possess a high level of resistance to corrosion, making them suitable for installation in high-traffic areas exposed to diverse environmental conditions. Typically, these pipes are lined with a protective layer, such as cement mortar or epoxy, which provides an additional barrier against external factors. This resistance to corrosion guarantees the longevity of the pipes and reduces the need for frequent maintenance or replacement. Furthermore, ductile iron pipes exhibit excellent flow characteristics, enabling efficient water distribution even in areas with high traffic demands. The smooth interior surface of these pipes minimizes friction and pressure losses, ensuring a consistent and reliable water supply to meet the needs of the surrounding population. In conclusion, ductile iron pipes are a reliable and robust choice for high-traffic areas. Their strength, durability, resistance to corrosion, and efficient flow characteristics make them well-suited to withstand the demands and challenges posed by heavy traffic. They guarantee the continuous supply of water without compromising the structural integrity of the pipe system.
- Q: Ductile iron pipe joint leakage
- After cleaning the pipe mouth, the cf-2000 high efficiency composite waterproof agent is used to seal it, and it will not leak.
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Ductile Iron Pipe of China DN400-DN900 EN545 Factory Quality
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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