DUCTILE IRON PIPE DN1000 K7 CLASS

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 30000Tons m/month

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CNBM ductile iron pipe ranges from DN80-DN1600mm (T-Type, Class K9), effective length 6m, comply with ISO2531 Standard

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 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 BS EN545/EN598/ISO2531/BS4772.

Specification& Payment terms

Internal lining: Pipes shall have an internal cement mortar lining in acc with ISO4179.

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

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

Packing: Pipes from DN100 to DN300 be bundled with steel belts, the others are in bulk.

Payment term: By 30% T/T advance payment + 70% Irrevocable L/C at sight.
Packing: In bulk vessel or in container.

Q: What are the common methods for cutting ductile iron pipes?: There are several common methods for cutting ductile iron pipes, depending on the specific requirements and tools available. 1. Hand Saw: A hand saw with a carbide-tipped blade is commonly used for cutting smaller diameter ductile iron pipes. This method requires physical effort and may be time-consuming. 2. Reciprocating Saw: A reciprocating saw with a diamond or carbide abrasive blade is a more efficient option for cutting ductile iron pipes. This power tool allows for faster cutting and requires less physical effort. 3. Cut-Off Saw: A cut-off saw, also known as a chop saw or disc cutter, equipped with a diamond or abrasive blade is a popular method for cutting ductile iron pipes. This power tool provides precise and fast cuts, making it suitable for both small and large diameter pipes. 4. Band Saw: A band saw with a bi-metal or carbide-tipped blade is commonly used for cutting larger diameter ductile iron pipes. This method allows for clean and precise cuts, but it may require specialized equipment and expertise. 5. Grinding Wheel: In some cases, a grinding wheel with a diamond or abrasive disc can be used to cut ductile iron pipes. This method is suitable for smaller diameter pipes or when other cutting tools are not available. It is important to note that regardless of the method used, proper safety precautions should always be followed, including wearing appropriate protective gear and using clamps or vices to secure the pipe during cutting. Additionally, it is recommended to consult with professionals or manufacturers' guidelines for specific recommendations on cutting ductile iron pipes.

Q: How do ductile iron pipes handle pressure surges in pumping stations?: Ductile iron pipes are specifically designed to handle pressure surges in pumping stations effectively. The inherent strength and flexibility of ductile iron make it well-suited to withstand the sudden increase in pressure that can occur during pump start-up or shutdown. One of the key features of ductile iron pipes is their ability to absorb and dissipate energy. When a pressure surge occurs, the ductile iron pipes have the capacity to absorb the excess pressure and distribute it evenly throughout the pipe network. This helps to minimize the impact of the surge and prevent any potential damage to the pipes or the pumping station. Additionally, ductile iron pipes have a high resistance to impact and stress, which further enhances their ability to handle pressure surges. The pipes are manufactured using a unique process that imparts strength and durability, allowing them to withstand the forces exerted during pressure fluctuations without any significant deformation or failure. Furthermore, ductile iron pipes have a smooth internal surface, which reduces friction and turbulence within the pipe network. This smooth flow characteristic helps to mitigate the effects of pressure surges by allowing the water to move efficiently without creating additional stress on the pipes. In summary, ductile iron pipes are specifically engineered to handle pressure surges in pumping stations by absorbing and dissipating the excess pressure, withstanding the impact and stress, and promoting smooth flow. Their robustness and reliability make them an ideal choice for applications where pressure fluctuations are common, ensuring the longevity and efficiency of the pumping infrastructure.

Q: Can ductile iron pipes be used in culvert or storm sewer applications?: Certainly, culvert or storm sewer applications can make effective use of ductile iron pipes. Renowned for their strength, durability, and flexibility, ductile iron pipes are an excellent choice for such purposes. They possess the capability to endure heavy loads, resist corrosion, and handle high flow rates, thus establishing them as a dependable option for culverts and storm sewers. Moreover, their extended lifespan and low maintenance needs further contribute to their appropriateness in these applications. Furthermore, ductile iron pipes can be easily installed and are available in various sizes and configurations to suit the specific requirements of culvert or storm sewer projects. In summary, ductile iron pipes have been extensively employed and proven to be an efficient and long-lasting solution for culvert or storm sewer applications.

Q: Are ductile iron pipes suitable for installation in areas with high groundwater table?: Indeed, areas with a high groundwater table are suitable for the installation of ductile iron pipes. These pipes are renowned for their exceptional strength and durability, rendering them perfect for underground installations. They possess the ability to endure the external pressure exerted by groundwater without any deformation or collapse. In addition, their outstanding resistance to corrosion shields them from the potentially harmful impact of groundwater. Consequently, ductile iron pipes can be confidently utilized in areas with a high groundwater table, ensuring the establishment of dependable and enduring water supply infrastructure.

Q: What is the acceptance of cast iron pipe material?: A cast pipe made of cast iron. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small.

Q: Can ductile iron pipes be used for stormwater management systems?: Yes, ductile iron pipes can be used for stormwater management systems. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for handling stormwater runoff. They can effectively transport large volumes of water and withstand the pressure and impact associated with stormwater management.

Q: What are the different methods for anchoring ductile iron pipe?: There are several methods available for anchoring ductile iron pipe, depending on the specific application and requirements. 1. Thrust Blocks: This method involves constructing concrete blocks around the pipe at points where there are changes in direction or changes in pipe diameter. The blocks provide resistance against the thrust forces generated by the flowing water, preventing movement of the pipe. 2. Concrete Collars: Concrete collars or rings can be installed around the pipe at regular intervals to provide additional support and prevent lateral movement. These collars are typically made by pouring concrete into a pre-made mold around the pipe. 3. Pipe Clamps: Pipe clamps are metal brackets that can be attached to the pipe and anchored to a structure or a support system. These clamps come in various sizes and designs, providing flexibility in installation and allowing for adjustment as needed. 4. Pipe Restraints: Pipe restraints are devices specifically designed to restrain the movement of ductile iron pipe. They usually consist of a metal band or collar that is tightened around the pipe and attached to a concrete structure or an anchoring system. 5. Bell and Spigot Joint: The bell and spigot joint itself can act as a means of anchoring the pipe. The bell end of one pipe fits over the spigot end of another, creating a tight connection that helps resist movement. 6. Soil Embedment: Properly compacted soil surrounding the pipe can provide some level of anchoring. The soil should be compacted in layers around the pipe to ensure stability and prevent movement. It is important to note that the selection of the anchoring method depends on factors such as soil conditions, pipe diameter, operating pressure, and location. Consulting industry standards and guidelines, along with the assistance of a qualified engineer, is crucial in determining the appropriate anchoring method for a specific ductile iron pipe installation.

Q: How long is the service life of the cast iron pipe, and the time of use of ductile iron pipes?: When it comes to the service life of nodular cast iron, its maintenance is essential for its long service life. Then, the focus of the maintenance of ductile iron pipe is to pay special attention to, will affect the long-term use of ductile iron pipes, stable operation of socket, row, etc., we should make efforts to these aspects of the mouth without debris. Make sure that the rubber ring of the ductile iron pipe has been smashed with a rubber hammer, and it is not twisted or twisted, and it is uniformly stuck in the slot. Ductile iron pipe in the maintenance process, because of the pneumatic tube axis is buried into the ground, so in the face of a tilt angle of the time, we must be careful, if the resistance is too large, will not force the excavation, in order to prevent the distortion of the rubber ring.

Q: How do ductile iron pipes perform in high-velocity water flow conditions?: High-velocity water flow conditions are easily handled by ductile iron pipes. Their composition and manufacturing process give them remarkable strength and durability, making them highly resistant to the forces generated by fast-flowing water. These pipes are specifically designed to endure significant hydraulic pressure and turbulent conditions. Their inherent ductility allows them to absorb the energy of the flowing water and effectively dissipate any potential stress or impact that may arise. Furthermore, the smooth internal surface of ductile iron pipes reduces frictional losses, ensuring efficient water flow even at high speeds. This characteristic is vital in maintaining the necessary water pressure and flow rates in various applications, including water distribution systems, sewage networks, and industrial processes. Additionally, the corrosion resistance of ductile iron pipes enhances their performance in high-velocity water flow conditions. Typically, these pipes are lined with cement mortar or polyethylene, providing extra protection against the corrosive effects of fast-flowing water. In summary, ductile iron pipes are perfectly suited for high-velocity water flow conditions, offering exceptional strength, durability, and hydraulic efficiency. Their ability to withstand the challenges posed by fast-flowing water makes them a reliable choice for a wide range of applications where high water velocity is a concern.

Q: How do ductile iron pipes handle water hammer?: Ductile iron pipes possess excellent resistance to water hammer, which is the sudden increase in pressure and velocity of water flow in a pipe system. This occurrence happens when there is an abrupt change in water velocity, like the sudden closure of a valve or the immediate shutdown of a pump. The design of ductile iron pipes enables them to withstand high-pressure surges caused by water hammer. Their increased strength and flexibility allow them to absorb and dissipate the energy generated during these pressure surges. The material's ductility permits the pipe to undergo slight deformation when impacted by water hammer, preventing the pipe from rupturing or breaking. Moreover, ductile iron pipes possess inherent damping properties that make them more effective at absorbing and dissipating the energy of water hammer compared to other pipe materials. This aids in reducing the intensity and duration of pressure surges, thereby minimizing potential damage to the pipe system and its components. Furthermore, ductile iron pipes often come equipped with various fittings and accessories that further enhance their capability to handle water hammer. These include specialized joint designs like restrained joints or flexible couplings, which provide additional flexibility and resistance to pressure surges. In summary, ductile iron pipes are specifically engineered to address the challenges presented by water hammer. Their strength, flexibility, damping properties, and specialized fittings make them an ideal choice for applications where water hammer is a concern, offering a reliable and durable solution for water distribution systems.

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