ductile iron pipe of china 2100 System 1

ductile iron pipe of china 2100 System 2

ductile iron pipe of china 2100 System 3

ductile iron pipe of china 2100 System 4

ductile iron pipe of china 2100

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Payment Terms:: TT OR LC

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every ductile iron pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide.

Product Introduction

CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container

ductile iron pipe of china 2100

Q:What are the requirements for the hydrostatic test of ductile iron pipes?: The pipe work pressure P is less than 0.5MPa, the test pressure is 2P, the pipe work pressure is greater than 0.5MPa, the test pressure is P+0.5. After the water pressure rises to the test pressure, the pressure is fixed for 10 minutes, and the pipe joint and the pipe body are not damaged and leaked.

Q:Are ductile iron pipes resistant to hydrostatic pressure?: Ductile iron pipes exhibit resistance to hydrostatic pressure. These pipes are a variant of cast iron that is renowned for its robustness and longevity. Its mechanical attributes, including exceptional tensile strength and elasticity, empower it to endure significant levels of hydrostatic pressure. Consequently, ductile iron pipes are an optimal choice for tasks where pressurized water or other fluids must be conveyed, such as in water distribution systems, sewer lines, and industrial pipelines. Furthermore, these pipes possess a formidable resistance to corrosion, bolstering their capacity to withstand hydrostatic pressure and guaranteeing their enduring effectiveness and dependability.

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:Are ductile iron pipes suitable for gravity flow applications?: Yes, ductile iron pipes are suitable for gravity flow applications. Ductile iron is a strong and durable material that can withstand the weight of the water and solid waste flowing through the pipes without any issues. It has high tensile strength and can resist damage from external forces such as soil movement or heavy traffic loads. Additionally, ductile iron pipes have smooth inner surfaces that promote efficient flow and minimize friction losses. They are also resistant to corrosion and can last for decades without requiring frequent maintenance or replacement. Overall, ductile iron pipes are a reliable choice for gravity flow applications due to their strength, durability, and resistance to various environmental factors.

Q:How do ductile iron pipes handle concentrated loads?: Ductile iron pipes are designed specifically to effectively handle concentrated loads. Their unique composition and manufacturing process give them excellent strength and durability, making them highly resistant to cracking or breaking under heavy loads. One of the main features of ductile iron pipes is their high tensile strength, allowing them to withstand concentrated loads without deforming. During the production process, small amounts of magnesium are added to cast iron, transforming the brittle graphite flakes into nodular graphite. This modification greatly enhances the material's strength and ductility, enabling it to handle concentrated loads more effectively. Furthermore, ductile iron pipes have a high modulus of elasticity, meaning they can deform elastically under a load and then return to their original shape once the load is removed. This property allows the pipes to evenly distribute the concentrated load along their entire length, reducing stress concentrations and minimizing the risk of fractures or failures. Additionally, ductile iron pipes have a thick and robust wall thickness, ensuring exceptional structural integrity. This thickness enables the pipes to bear significant loads and withstand pressure variations without compromising their overall performance. In conclusion, ductile iron pipes are engineered specifically to handle concentrated loads due to their high tensile strength, elastic deformation capabilities, and thick wall thickness. These characteristics make them a reliable choice for a variety of applications, including water and wastewater systems, as they can withstand external forces without compromising their structural integrity.

Q:How are ductile iron pipes protected against external impact or loading?: Ductile iron pipes undergo various methods and measures to safeguard them against external impact or loading, guaranteeing their durability and integrity. Several common approaches are employed to protect ductile iron pipes, including: 1. Adequate Thickness and Strength: Ductile iron pipes are designed with ample wall thickness and high strength to withstand external loads and impacts. This design feature ensures that the pipes can endure heavy loads without deforming or cracking. 2. Implementation of Coatings: Ductile iron pipes are typically coated with protective layers to create an additional barrier against external impact. These coatings may comprise cement mortar lining, polyethylene encasement, or epoxy coatings. They not only grant impact resistance but also safeguard against corrosion. 3. Utilization of Proper Bedding and Backfilling Techniques: Proper techniques for bedding and backfilling are crucial in protecting ductile iron pipes from external loads. The correct placement of pipes within suitable materials, such as compacted granular bedding and backfill, helps distribute external loads evenly and minimizes the risk of pipe damage. 4. Consideration of Trench Design: The design of the trench in which ductile iron pipes are installed plays a vital role in safeguarding them against external impact. The dimensions of the trench, slope stability, and proper compaction of the backfill are all taken into account to reduce the likelihood of damage caused by external loads. 5. Implementation of Effective Pipe Layout and Support: Appropriate pipe layout and support are essential for protecting ductile iron pipes from external impact. Sufficient support mechanisms, including thrust blocks, pipe anchors, and pipe restraints, are utilized to absorb and distribute external loads, preventing any damage to the pipes. 6. Installation of Protective Structures: In areas where the risk of external impact is higher, additional protective structures are installed to safeguard ductile iron pipes. These structures may include concrete encasements, bollards, or reinforced concrete slabs, which act as physical barriers against potential impacts. In conclusion, a combination of factors, including pipe strength, coatings, proper installation techniques, and support measures, work together to ensure the protection of ductile iron pipes against external impact or loading. These measures enhance the longevity and reliability of the pipes, guaranteeing efficient performance in various applications.

Q:What do ductile iron pipes need to connect with three? Can I contact it directly?: Old craft1. dozen to lead lead; cut into strips, with a file play in the interface2. use expanded cement with asbestos3 use the asphalt

Q:What is the expected joint deflection of ductile iron pipes?: The expected joint deflection of ductile iron pipes depends on various factors such as the diameter of the pipe, the type of joint used, and the specific conditions of the installation. In general, ductile iron pipes are designed to accommodate some degree of deflection at the joints to allow for flexibility and movement. The American Water Works Association (AWWA) provides guidelines for the maximum allowable joint deflection for ductile iron pipes. According to AWWA C151/A21.51, the maximum deflection at the joint should typically not exceed 3 degrees or 1% of the nominal pipe diameter, whichever is greater. It is important to note that joint deflection should be within the specified limits to ensure the structural integrity and performance of the pipeline system. Excessive joint deflection can lead to leaks, failures, and reduced lifespan of the pipes. To determine the exact expected joint deflection for a specific installation, it is best to refer to the manufacturer's specifications and guidelines, as they may vary depending on the pipe size, joint type, and other factors. Consulting with a qualified engineer or contacting the manufacturer directly can provide more accurate information tailored to the specific project requirements.

Q:Are ductile iron pipes suitable for installation in areas with high groundwater salinity?: Yes, ductile iron pipes are generally suitable for installation in areas with high groundwater salinity. Ductile iron is known for its corrosion resistance, making it a preferred choice in such environments. However, it is crucial to consider the specific salinity levels and consult with experts to ensure proper pipe coating and protection measures are in place to prevent any potential corrosion or degradation.

Q:What are the different methods for restraining ductile iron pipe?: There exist various techniques for restraining ductile iron pipe to prevent any movement or displacement caused by internal pressure, external forces, or ground movement. The most commonly used approaches include: 1. Thrust blocks: Concrete blocks or structures are positioned at bends, tees, or other directional changes in the pipe. These blocks are designed to resist the forces exerted by flowing water or fluids within the pipe, effectively anchoring it in place. 2. Mechanical restraints: Harnesses or clamps are installed around the pipe and affixed to a fixed structure, such as a wall or concrete anchor. These restraints provide a physical barrier that prevents any movement or shifting of the pipe. 3. Pipe restraints: Devices directly attached to the pipe and anchored to a fixed structure, such as pipe clamps, restraints, or saddles. They are designed to securely hold the pipe in place and resist any movement or displacement. 4. Proper pipe bedding and backfill: It is crucial to properly support and surround the pipe with compacted material to prevent any movement or shifting. This method involves carefully placing and compacting soil or suitable materials around the pipe to provide stability and prevent displacement. 5. Trench walls: The walls of the trench where the ductile iron pipe is installed can also contribute to restraining it. By correctly compacting the soil against the pipe and ensuring proper stability of the trench walls, the pipe can be effectively restrained and prevented from moving. Overall, the various methods for restraining ductile iron pipe aim to ensure its secure placement without any displacement or movement. The choice of method depends on factors such as location, application, and the forces acting on the pipe. It is important to consult with engineers and adhere to industry guidelines and standards to determine the most appropriate method for restraining ductile iron pipe in specific situations.

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