DI Pipes in Water project,ductile iron double flanged taper with concentric
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 10000 pc/month
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DI Pipes in Water project,ductile iron double flanged taper with concentric
ISO 2531 / EN 545 / EN 598 / GB 13295
Specifications
Flanged Fittings
| Material | |
| Ductile iron grade 500-7 / 450-12 in accordance with ISO 1083 | |
| Flange | |
| P 10, PN16 or PN25 drilling in accordance with ISO 7005-2 / EN 1092-2 | |
| Fluid Temperature | |
| 0°C-50°C, excluding frost | |
| Coating | |
| External coatings | Internal coatings |
| zinc + bitumen painting liquid epoxy resin painting | cement mortar lining liquid epoxy resin painting |
| Reference Rules | |
| Dimensions and testing in accordance with ISO 2531 / EN 545 | |
| Use | |
| Jointed by the bolts, nuts and sealed by the gaskets. | |
China National Building Materials Group Corporation (CNBM) was established in 1984 with approval from the State Council, and then became a Central Enterprise under direct supervision of State-owned Assets Supervision and Administration Commission of the State Council in 2003.
Upholding the philosophy of “Making Best Use of Resources to Serve Construction”, and vigorously carrying out such strategies as “technical innovation”, “internationalization of building materials”, and “building strength with talents”, CNBM is the largest comprehensive building materials industry group in China that integrates scientific research, manufacturing and logistics into one entity, and consists of four business platforms, i.e. industry, technology, complete set of equipment, and trading & logistics. As of the end of 2009, CNBM’s total assets exceeded RMB 110 billion, with 100,000 employees, and 20 companies under direct management with 100% share control or majority control, among which 6 were listed companies, including 2 overseas listed.
CNBM practices the parent-subsidiary management system, and is one of those wholly state-owned enterprises carrying out the pilot trial of Board of Directors system and innovation system. As the strategic center, decision center, resources center, and policy & culture center, our Group exercises its right as a contributor. Whereas, our sub-groups functioning as business platforms, are mandated to construct the profit center based on their core competences to enlarge brand awareness and increase market share.
- Q:What is the typical diameter range of ductile iron pipes?
- The typical diameter range of ductile iron pipes varies depending on the specific application and industry standards. Generally, ductile iron pipes come in a wide range of diameters to accommodate various needs. In water distribution systems, the typical diameter range can vary from as small as 3 inches (76 mm) to as large as 64 inches (1626 mm) or even larger. For sewer and wastewater systems, the typical diameter range is usually between 4 inches (102 mm) to 48 inches (1219 mm). However, it is important to note that these ranges are not exhaustive and there may be instances where ductile iron pipes are available in sizes outside of these common ranges. It is always advisable to consult industry standards and specific project requirements to determine the appropriate diameter range for ductile iron pipes.
- Q:How are ductile iron pipes connected?
- There are several methods commonly used to connect ductile iron pipes, including flanged joints, mechanical joints, and push-on joints. Flanged joints involve connecting two sections of pipe by using a flanged coupling. The pipe ends have flanges that are securely bolted together, creating a connection that is both strong and leak-proof. This method is often used for pipes with larger diameters or in situations where a rigid joint is necessary. Mechanical joints use a mechanical joint gland and rubber gasket to create a seal that is watertight. The ends of the pipes are inserted into the gland, and then bolts are tightened to compress the gasket, ensuring a reliable connection. This method is frequently employed in water distribution systems because it is flexible and easy to install. Push-on joints utilize a rubber gasket to create a tight seal between sections of pipe. The gasket is placed in a groove on one end of a pipe, and then the other pipe is pushed onto it, resulting in a compression seal. This method is quick and straightforward, making it suitable for a variety of applications, such as sewer systems and underground piping. Ultimately, the choice of connection method for ductile iron pipes depends on factors such as pipe diameter, application requirements, and installation conditions. It is of utmost importance to adhere to the manufacturer's recommendations and industry standards to ensure proper installation and dependable performance.
- Q:Are ductile iron pipes suitable for use in chemical storage tanks?
- Chemical storage tanks cannot be made with ductile iron pipes since they are not able to resist corrosion caused by different chemicals. While ductile iron pipes possess exceptional mechanical properties, such as high tensile strength and impact resistance, they are not equipped to handle the corrosive nature of chemicals. To ensure the safety and integrity of the tank, materials that can withstand the corrosive properties of the stored chemicals, such as fiberglass-reinforced plastic (FRP), stainless steel, or high-density polyethylene (HDPE), are commonly used for chemical storage tanks. It is of utmost importance to carefully choose the appropriate material for chemical storage tanks in order to prevent leaks, contamination, and potential hazards.
- Q:Are ductile iron pipes resistant to alkali attacks?
- Ductile iron pipes have been proven to be highly resistant to alkali attacks. The material used in ductile iron pipes, known as ductile cast iron, is formulated with specific chemical compositions that provide exceptional corrosion resistance. This resistance extends to alkali attacks, which are chemical reactions that occur when alkaline substances come into contact with metals or other materials. Ductile iron pipes have a dense and protective oxide film on their inner and outer surfaces, which acts as a barrier against chemical attacks. This oxide film forms naturally over time, and its composition and structure provide excellent resistance to alkali attacks. Additionally, ductile iron pipes are often coated with various protective layers, such as epoxy or zinc, to further enhance their resistance to corrosion and chemical reactions. It is important to note that while ductile iron pipes are highly resistant to alkali attacks, the severity and concentration of the alkali substances can still impact their overall performance. In extreme cases, very high concentrations of alkali substances or prolonged exposure to aggressive alkaline environments may eventually cause some damage to the protective layers of the pipes. However, under normal conditions and within acceptable parameters, ductile iron pipes are considered to have excellent resistance to alkali attacks.
- Q:What material is ductile cast iron 235A?
- Ductile iron is a pig iron
- Q:Are ductile iron pipes resistant to abrasion or wear?
- Indeed, ductile iron pipes exhibit remarkable resistance against abrasion and wear. Renowned as cast iron as well, ductile iron represents a robust and enduring substance exclusively crafted to endure abrasive circumstances. Ductile iron's distinct microstructure grants superb resistance to abrasion, rendering it an optimal selection for scenarios wherein pipelines face extensive levels of wear. Furthermore, the extended lifespan of ductile iron pipes showcases their enduring capacity against abrasion and wear throughout time.
- Q:Can ductile iron pipes be used in potable water systems?
- Yes, ductile iron pipes can be used in potable water systems. Ductile iron is a type of cast iron that has enhanced strength and ductility. It is a common material choice for water infrastructure, including potable water systems, due to its durability, resistance to corrosion, and long service life. Ductile iron pipes are manufactured to meet specific standards and regulations for potable water usage, ensuring that they are safe for transporting drinking water. Additionally, ductile iron pipes have excellent flow characteristics, making them suitable for water distribution systems. Overall, ductile iron pipes are a reliable and commonly used material in potable water systems.
- Q:Can ductile iron pipes be used in areas with high soil acidity?
- Ductile iron pipes can be used in areas with high soil acidity, but certain precautions should be taken to ensure their longevity and performance. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, which makes them suitable for various soil conditions, including those with high acidity. However, high soil acidity can still pose a potential risk to ductile iron pipes over time. Acidic soils can accelerate the corrosion process, potentially leading to the degradation of the pipe material. To mitigate this risk, several measures can be implemented: 1. Protective Coatings: Applying protective coatings to the outer surface of the ductile iron pipes can provide an extra layer of defense against soil acidity. These coatings, such as epoxy or polyethylene, act as a barrier, preventing direct contact between the pipe and the corrosive soil. 2. pH Adjustment: Adjusting the pH levels of the soil can help reduce its acidity. This can be done by adding lime or other neutralizing agents to the soil, which will help create a more favorable environment for the ductile iron pipes. 3. Cathodic Protection: Implementing cathodic protection systems can be an effective method to prevent corrosion in ductile iron pipes. This technique involves the use of sacrificial anodes or impressed current systems to create a protective electrical current that counteracts the corrosive effects of the soil. 4. Regular Inspections: Periodic inspections should be conducted to monitor the condition of the ductile iron pipes in areas with high soil acidity. This allows for early detection of any corrosion or degradation, enabling timely repairs or replacements to be carried out. By implementing these measures, ductile iron pipes can be effectively used in areas with high soil acidity, ensuring their long-term performance and minimizing the risks associated with corrosive soils. However, it is always recommended to consult with experts or engineers familiar with local soil conditions and the specific requirements of the project to determine the most suitable materials and protective measures.
- Q:Does centrifugal cast iron pipe work well with lining cement? Will it scale and breed bacteria?
- From the centrifugal ductile cast iron pipe with cement production process to analysis, the most core pipe by centrifugal molding, concrete water cement ratio, the centrifugal force, the coarse aggregate to the outer wall of the pipe and the pipe inside; because of fine aggregate and water removal, strength and wear resistance variation. When the inner wall of the pipe by long-term washing and soaking water, and inner wall wear and erosion, as the roughness increases, head loss increases, you will need to increase the pump lift, and operation cost for power consumption increases, also greatly increased.
- Q:Ductile cast iron can replace copper sleeve
- The tensile and compressive capacity of the ball milled cast iron is not as good as that of copper. The hardness of Rongchang graphite copper sheath can reach HB210
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DI Pipes in Water project,ductile iron double flanged taper with concentric
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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