DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN350

DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN350 System 1

DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN350 System 2

DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN350 System 3

DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN350

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 22 pc

Supply Capability:: 3000 pc/month

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Ductile Iron Pipe On Sale Made In China DN100

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:Are ductile iron pipes suitable for trenchless pipe bursting methods?: Yes, ductile iron pipes are suitable for trenchless pipe bursting methods. They have the necessary strength and flexibility to be effectively burst and replaced without the need for extensive excavation.

Q:Do ductile iron pipes require pressure testing before installation?: Yes, ductile iron pipes do require pressure testing before installation. Pressure testing is a crucial step in ensuring the integrity and safety of the pipes. It helps to identify any leaks, weak spots, or defects in the pipes before they are put into service. Pressure testing involves subjecting the pipes to higher than normal operating pressures to check if they can withstand the expected pressure without any failure. This process helps to prevent potential issues such as leaks, bursts, or failures that could lead to water loss, property damage, or even accidents. Therefore, pressure testing is an essential requirement for ductile iron pipes to ensure their reliability and long-term performance.

Q:Are ductile iron pipes resistant to environmental stress cracking?: Yes, ductile iron pipes are highly resistant to environmental stress cracking.

Q:Can ductile iron pipes be used for wastewater pumping stations?: Yes, ductile iron pipes can be used for wastewater pumping stations. Ductile iron pipes have excellent strength and durability, making them suitable for transporting wastewater and handling the high pressures and corrosive nature of the sewage. Additionally, ductile iron pipes have a smooth interior surface, which prevents clogs and allows for efficient flow of wastewater. These pipes are also resistant to damage from external factors such as soil movement or heavy traffic, making them a reliable choice for wastewater pumping stations.

Q:Advantages and disadvantages of ductile iron pipes?: Ductile iron pipes are mainly heated and annealed by intermediate frequency furnace, and then made as lining cement. The cast iron pipe is not made of lining cement.

Q:Can cast iron pipes not be used for domestic water supply and drainage?: Can be used for life drainage, I last year to do the public construction, 24 layers of life and drainage on the cast iron pipe.

Q:Are ductile iron pipes suitable for wastewater treatment plants?: Ductile iron pipes are highly suitable for wastewater treatment plants. They possess exceptional strength and durability, making them resistant to corrosion. Consequently, these pipes are an excellent choice for managing wastewater, which often contains corrosive elements. Moreover, ductile iron pipes boast remarkable tensile strength and can endure high pressure, critical for the transportation of wastewater in treatment plants. The flexibility of these pipes also permits easy installation and maintenance, ultimately reducing both cost and time required for wastewater treatment plants. In summary, ductile iron pipes are extensively utilized in wastewater treatment plants due to their durability, resistance to corrosion, and their ability to handle the challenging conditions present in such facilities.

Q:How much water seepage is allowed in the water pressure test for water hose DN300?: For water polo hose DN300, hydraulic pressure test allows water penetration to be 17.60 m3 / (24h km).The water pressure test of the indoor water supply pipeline must meet the design requirements. When the design is not specified, the test pressure of all kinds of material supply piping system is 1.5 times of the work pressure, but not less than 0.6MPa.

Q:Can ductile iron pipes be used for both water and sewage systems?: Ductile iron pipes can serve for both water and sewage systems, owing to their remarkable strength and durability. Renowned for their exceptional mechanical properties, these pipes can endure the immense pressure and stress encountered in such systems. Furthermore, their resistance to corrosion renders them optimal for transporting both clean water and sewage. Consequently, ductile iron pipes emerge as a dependable and adaptable option for water and sewage systems, given their wide-ranging applications.

Q:How are ductile iron pipes protected during transportation and storage?: Various methods are employed to protect ductile iron pipes during transportation and storage, ensuring their integrity and preventing potential damage. The first step involves applying a protective layer, such as epoxy or zinc, to act as a barrier against corrosion. This coating effectively safeguards the pipes from moisture and other corrosive elements during transit and storage. To further safeguard the pipes, they are often bundled together and secured with straps or bands, preventing any movement or shifting that could cause mechanical damage. This bundling not only ensures the pipes remain intact but also facilitates easier handling and transportation in an organized manner. During transportation, the pipes are typically loaded onto pallets or placed in crates, providing additional protection and stability. This minimizes the risk of accidental impact or rough handling that may result in cracks or fractures. Proper labeling and marking of the pipes is crucial to ensure appropriate handling. This includes displaying handling instructions, weight limits, and pipe specifications, preventing mishandling and damage during transportation. Equally important are the storage conditions for maintaining the integrity of ductile iron pipes. They should be stored in a clean, dry, and well-ventilated area, protecting them from moisture and humidity. Direct sunlight and extreme temperatures should be avoided to prevent any potential degradation of the protective coating. In conclusion, protecting ductile iron pipes during transportation and storage involves the application of protective coatings, bundling and securing, suitable packaging materials, proper handling and labeling, and storage in appropriate conditions. These measures guarantee the pipes' quality and structural integrity, ensuring they arrive at their destination in optimal condition.

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