DUCTILE IRON PIPE K12 DN 1000 SOCKET SPIGOT PIPE

DUCTILE IRON PIPE K12 DN 1000 SOCKET SPIGOT PIPE

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 30000 m.t./month

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Specification:

1) The standard of pipe: ISO2531:1998, EN545:2006，K9 K8

2) Effective length: 6m/5.7m

3) Inner cement line: Portland cement lineas per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70μm as per ISO8179

6)With 102% quantity of NBR, SBR, or EPDM ring asper ISO4633

7) DN80-DN1200

8) Highstrength, lighter than grey iron, good corrosion resistance, no furring, smallflow resistance, easy fixing, long life tome about 100 yeas

9)Checked by automatic inspection equipment

10) Composition:

Chemical composition
Chemical composition	Ductile Cast Iron Pipe (%)	Grey iron pipe (%)	Steel pipe (%)
C	3.5-4.0	3.2-3.8	0.1-0.2
Si	1.9-2.6	1.4-2.2	0.15-0.4
Mn	0.15-0.45	0.4-0.6	0.3-0.6
P	≤0.06	≤0.3	0.02-0.03
S	≤0.02	≤0.1	0.02-0.03
Mg	0.03-0.06

11) Feature:

Mechanical properties
	Ductile Cast Iron Pipe	Grey Iron Pipe	Steel Pipe
Tensile Strength(Mpa)	≥420	150-260	≥400
Yield Strength(Mpa)	≥300	No Confirmation	No Confirmation
Bending Strength(Mpa)	≥590	200-360	≥400
Elongation (%)	≥10	Neglected	≥18
Brinell Hardness(HBS)	≤230	≤230	About 140

12) T type mechanical joint

13) Packing: in bulk or container

PACKING: 1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

Q:Are ductile iron pipes resistant to microbiologically induced corrosion?: Yes, ductile iron pipes are highly resistant to microbiologically induced corrosion. The unique composition and structure of ductile iron make it less susceptible to the growth of microorganisms and the subsequent corrosion caused by them. Additionally, the protective oxide layer that forms naturally on the surface of ductile iron pipes provides an extra layer of defense against microbiological corrosion.

Q:Ductile cast iron can replace copper sleeve: Although the ductile cast iron with lubrication, but no lubrication or copper sleeve, Rongchang graphite copper sleeve, with self lubrication with high strength copper alloy (CuZn25Al5, CuZn24Al6Fe3Mn4) as the basic material, according to the use conditions according to a certain proportion in the work surface processing hole and fill in the solid lubricant, high strength copper alloy provide a high bearing capacity and solid lubricant can form low friction.

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:Are ductile iron pipes suitable for use in irrigation sprinkler systems?: Ductile iron pipes, known for their durability, strength, and corrosion resistance, are a suitable option for irrigation sprinkler systems. With their high tensile strength, they can withstand heavy loads and high pressure, ensuring a consistent water supply. Moreover, their long lifespan reduces the frequency of maintenance and replacement, making them cost-effective. In summary, ductile iron pipes are reliable and appropriate for use in irrigation sprinkler systems.

Q:What are the typical pressure surge protection measures for ductile iron pipe?: Some typical pressure surge protection measures for ductile iron pipe include using surge tanks or pressure relief valves, installing air valves or surge anticipation valves, and implementing proper anchoring and support systems to minimize movement and stress on the pipe during pressure surges. Additionally, using flexible joints or expansion joints can help absorb and accommodate sudden changes in pressure.

Q:Can ductile iron pipe be used for wastewater treatment plants?: Yes, ductile iron pipe can be used for wastewater treatment plants. Its durability, corrosion resistance, and high strength make it a suitable choice for handling the harsh and corrosive environment of wastewater treatment processes. Additionally, ductile iron pipes can withstand high operating pressures and provide long-term reliability, making them an ideal option for transporting wastewater within the treatment plant.

Q:Can ductile iron pipes be used for irrigation of golf courses?: Yes, ductile iron pipes can be used for irrigation of golf courses.

Q:How does ductile iron pipe perform in areas with high water hammer?: Ductile iron pipe performs well in areas with high water hammer due to its inherent strength and flexibility. Its ability to absorb and dissipate the energy generated by water hammer helps to prevent pipe failures and minimize the damaging effects of pressure surges. This makes ductile iron pipe a reliable choice for water distribution systems in such areas.

Q:What are the different types of fittings available for ductile iron pipe?: There are several different types of fittings available for ductile iron pipe. These fittings are designed to connect, redirect, or branch off the pipe in various configurations to suit different plumbing or piping systems. One common type of fitting is the flanged fitting, which features a flange or lip on one end that allows for easy bolted connection to another flanged component. Flanged fittings are commonly used in applications where a tight seal is required, such as in water or sewage systems. Another type of fitting is the mechanical joint fitting, which utilizes a gasket and a set of mechanical bolts to create a secure connection between two pieces of pipe. Mechanical joint fittings are often used in underground water or sewer systems. Push-on fittings are another popular option for ductile iron pipe. These fittings have a rubber gasket that is compressed onto the pipe, creating a watertight seal. Push-on fittings are quick and easy to install, making them ideal for applications where speed and efficiency are important. For situations where a change in direction is required, ductile iron pipe fittings such as elbows or bends are used. These fittings are designed to smoothly change the direction of the pipe without causing any significant flow restrictions. Additionally, there are saddle fittings available for ductile iron pipe. These fittings are used to create a branch connection on an existing pipeline without the need for cutting or welding. Saddle fittings are commonly used in irrigation or fire protection systems. Overall, the different types of fittings available for ductile iron pipe provide a range of options to meet the specific needs of different plumbing or piping systems. Whether it's flanged fittings for a tight seal, mechanical joint fittings for underground applications, push-on fittings for quick installation, or specialized fittings like elbows or saddle fittings, each type serves a specific purpose in the overall plumbing or piping system.

Q:How are ductile iron pipes protected against internal corrosion caused by chemicals?: Ductile iron pipes are protected against internal corrosion caused by chemicals through a combination of several protective measures. Firstly, these pipes are usually lined with a cement mortar lining or an epoxy coating. This lining acts as a barrier between the chemical substances in the water or sewage and the iron material of the pipe, preventing direct contact and corrosion. In addition to the lining, a corrosion-resistant polymer or bituminous coating is often applied to the exterior of the ductile iron pipes. This coating serves as an extra layer of protection, safeguarding the pipe against any external chemical exposure that may occur. Furthermore, cathodic protection is commonly employed to prevent internal corrosion. This technique involves the use of sacrificial anodes, typically made of zinc or magnesium, which are attached to the pipe. The anodes corrode over time instead of the iron, effectively sacrificing themselves to protect the pipe from corrosion caused by chemicals. Regular maintenance and monitoring of the ductile iron pipes are also crucial in preventing and addressing any potential corrosion issues. This includes routine inspections, cleaning, and repairing any damaged or corroded areas promptly. Overall, the combination of lining, external coating, cathodic protection, and maintenance practices ensures that ductile iron pipes are well-protected against internal corrosion caused by chemicals, prolonging their lifespan and ensuring the integrity of the pipeline system.

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