Flange Pipe

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 1 Metric Ton pc

Supply Capability:: 300000 Metric Tons per Year pc/month

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General introduction of Flange Pipe

•Material: Ductile Cast Iron

•Size Range: DN 80mm to DN 2000mm

•Unit Effective Length: 5.7m or 6m or negotiable

•Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007

•Annual capacity: 300,000 tons

• Internal lining: cement mortar lining comply with ISO4179.

External coating: sprayed metallic Zinc coating (min.130g/m2) according to ISO8179 + bitumen painting (min.70μm) according to BS3416.

Gasket: Matched 100% natural rubber gasket in accordance with ISO4633.

•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.

Features of Flange Pipes:

Ductile cast iron, also called ductile iron, spheroidal graphite iron, or nodular cast iron, is a type of cast iron invented in 1943. While most varieties of cast iron are brittle, ductile cast iron is much more flexible and elastic, due to its nodular graphite inclusions.

· Ductile Iron Pipe offers proven reliability and the quality.

· It is quick and easy installation.

· The ductile iron pipe has high pressure capability.

· Available in sizes DN80 – DN2000

· Both T Type (Push-on Joint) and K Type (Mechanical Joint) are available

· Match 100% Natural rubber / SBR / EPDM rubber gaskets

Application:

Much of the production of ductile iron is in the form of ductile cast iron pipe, used for water supply and sewerage design. Ductile iron pipe is stronger and easier to tap, requires less support and provides greater flow area compared with pipes made from other materials like PVC, concrete, polyethylene or steel.

Types of Flange Pipe:

Flange pipes with screwed-on flanges, Flanged pipes with cast-on flanges, Flanged pipes with welded-on flanges are available

Flange pipes with screwed-on flanges, K9 K10 DN80-DN600, Length to be specified

Flange pipes with cast-on flanges, K12 DN1200-2000, L≤4000mm

Flange pipes with welded-on flanges, K9 K10, DN80-DN1000, Length to be specified

Flange Pipe

Nominal Diameter of Flange Pipe:

Nominal Diameter DN	Body
	k=9		k=10		k=12		Each Flange
	e mm	kg/m	e mm	kg/m	e mm	kg/m	PN10	PN16	PN25	PN40
80	6	12.2	6	12.2	7	14.1	3.6	3.6	3.5	3.5
100	6.1	15.1	6.1	15.1	7.2	17.7	4.2	4.2	4.5	4.5
150	6.3	22.8	6.5	23.5	7.8	28	6.3	6.3	7.1	9.2
200	6.4	30.6	7	33.3	8.4	39.7	8.8	8.6	10.4	15.7
250	6..8	40.2	7.5	44.3	9	52.8	12	11.8	15.3	25.4
300	7.2	50.8	8	56.3	9.6	67.3	16.8	16.6	20.8	36.3
350	7.7	63.2	8.5	69.6	10.2	83.1	23	25.5	29.0	-
400	8.1	75.5	9	83.7	10.8	100	26.5	31	37.4	-
500	9	104.3	10	115.6	12	138.2	41	54	54.5	-
600	9.9	137.1	11	152	13.2	181.8	56	79.8	79.1	-
700	10.8	173.9	12	193	14.4	230.8	72.5	84.2	-	-
800	11.7	215.2	13	238.7	15.6	285.5	102	117	-	-
900	12.6	260.2	14	288.7	16.8	345.4	118.5	137.5	-	-
1000	13.5	309.3	15	343.2	18	410.6	135	169.4	-	--
1200	15.3	420.1	17	466.1	20.4	557.8	180	235	-	-
1400	17.1	547.2	19	607.2	22.8	726.8	253	301	-	-
1600	18.9	690.3	21	766	25.2	916.9	-	-	-	-
1800	20.7	850.1	23	943.4	27.6	1129.3	-		-	-
2000	22.5	1026.3	25	1139	30	1363.4	-	-	-	-

Double Flange Pipes

Flange Pipe

Double Flanged Pipes

We are involved in the manufacture and supply of the ductile iron double flanged pipe. We manufacture these with the premium quality raw materials. Our pipes ensure high durability and strength. Our range of Double Flanged Pipes caters to various industrial requirements. We offer these Double Flanged Pipes in different sizes and lengths in order to meet the various requirements of our esteemed clients.

K12

Size: DN80-1200

Nominal Diameter DN		L	Mass(kg)
Inch size end	Metric size end	L	Mass(kg)
3	80	150	6.8
3	80	200	7.5
3	80	250	8.2
4	100	250	10.8
5	150	250	15.4
6	150	250	16.3
7	200	250	21.5
8	200	250	23.0
9	250	250	30.0
10	250	250	34.5
12	300	250	44.0
14	350	250	59.0
15	400	250	65.0
16	400	250	71.0
18	450	250	89.5
20	500	250	115.0
21	500	350	133.0
24	600	300	178.0
27	700	500	261.8
30	700	500	289.0
30	800	500	317.0
33	800	500	356.0
36	900	500	420.0
42	1000	500	514.0
42	1100	500	575.0
48	1200	500	718.0

Photo Show of Flange Pipe:

Flange Pipe

Q: What are the disadvantages of using ductile iron pipe?: There are several disadvantages associated with using ductile iron pipe. Firstly, one major drawback is its cost. Ductile iron pipe tends to be more expensive than other types of piping materials such as PVC or even traditional cast iron. This can make it less appealing for projects with strict budget constraints. Secondly, ductile iron pipe is relatively heavy compared to other materials. This makes it more difficult to handle and install, requiring specialized equipment and additional labor. The weight can also make it more susceptible to damage during transport and installation. Another disadvantage is its susceptibility to corrosion. While ductile iron is more resistant to corrosion than traditional cast iron, it is still prone to rust and deterioration over time. This can lead to reduced lifespan and potential leaks or pipe failures. Additionally, ductile iron pipe has limited flexibility and is not as resistant to ground movement or settlement. This can result in cracking or breaking of the pipe, especially in areas with unstable soil conditions or seismic activity. Lastly, ductile iron pipe can have a rough interior surface, which can lead to increased friction and reduced flow capacity. This can result in higher pumping costs and decreased efficiency in fluid transportation. Overall, while ductile iron pipe has its advantages, such as its strength and durability, these disadvantages should be carefully considered when choosing the appropriate piping material for a specific project.

Q: What is the average diameter range of ductile iron pipes?: The average diameter range of ductile iron pipes can vary depending on the specific application and industry standards. However, in general, ductile iron pipes are available in a wide range of diameters to meet various requirements. Commonly, the average diameter range for ductile iron pipes can start from as small as 4 inches (100 mm) and go up to 64 inches (1600 mm) or even larger. These sizes are often used for water distribution, sewer systems, and other infrastructure projects. It is important to note that the specific diameter range of ductile iron pipes can be influenced by factors such as local regulations, project specifications, and engineering considerations. Therefore, it is recommended to consult industry standards and relevant authorities to determine the appropriate diameter range for a specific application.

Q: What's the function of the cement mortar lining of ductile iron pipes?: Active protection is superior to barrier coating, cement mortar lining, and a stable hydroxide film formed on the surface of ductile iron and steel pipe to form a protective layer. This kind of protective coating has excellent antiseptic properties because they spontaneously protect themselves even in discontinuous linings. A polymer in sharp contrast, such as an epoxy lining, is also barrier coating, but only if 100% is applied without leakage. Any interruption or leakage will cause corrosion.It has been documented that cement mortar and cement mortar have been applied to the field of water transportation and can meet the water quality standards for a long time. Some standards still apply to the world. Cement mortar does not support microbial growth. In the case of corrosive water or low flow rate (prolonged stagnation), it is better to use cement mortar lined pipes because it can maintain high pH values in the pipe. This does not cause health problems and can be prevented by very simple sealed coating methods. The natural characteristics of the sealing coating provide the best protection for the inner wall of the pipe, while ensuring that all the water quality indexes meet the quality requirements, low cost and high efficiency.

Q: Are ductile iron pipes available for cutting and are there any relevant specifications?: Ductile iron pipes can be divided into cutting and non cutting pipes, the cutting pipe can be cut, and the cutting pipe is usually marked with "scissors" mark in the pipeline.

Q: How do ductile iron pipes handle soil erosion?: Ductile iron pipes are known for their exceptional strength and durability, making them highly resistant to soil erosion. The material used in ductile iron pipes is specifically engineered to withstand the effects of soil erosion, ensuring a long-lasting and reliable infrastructure. The composition of ductile iron pipes includes a mix of iron, carbon, and other alloying elements, which provides the necessary strength and resilience to withstand the forces exerted by soil erosion. These pipes have a higher tensile strength than traditional cast iron pipes, allowing them to resist deformation and cracking under pressure. Furthermore, ductile iron pipes have a protective layer called cement mortar lining, which acts as a barrier between the pipe and the surrounding soil. This lining provides an additional layer of resistance against corrosion and erosion caused by the soil's chemical composition or abrasive particles. As a result, ductile iron pipes remain intact and continue to function effectively even in areas with high soil erosion rates. In terms of installation, ductile iron pipes are designed to be buried underground, ensuring that they are well-protected from direct contact with the soil. Additionally, their jointing systems are designed to provide a secure and watertight connection, minimizing the risk of soil infiltration and subsequent erosion. Overall, ductile iron pipes have a proven track record of effectively handling soil erosion due to their superior strength, protective linings, and appropriate installation techniques. They offer a reliable and long-lasting solution for water and wastewater infrastructure, even in areas prone to soil erosion.

Q: What are some common applications for ductile iron pipe?: Ductile iron pipe, also known as DI pipe, is widely used in various applications due to its durability, strength, and corrosion resistance. Here are some common applications for ductile iron pipe: 1. Water Distribution: Ductile iron pipe is extensively used for the distribution of potable water. Its high tensile strength allows it to withstand high water pressure, making it ideal for water mains, water transmission lines, and water distribution networks. 2. Sewer Systems: Ductile iron pipe is commonly used in sewer systems due to its resistance to corrosion and its ability to handle high loads. It is often used for gravity sewer lines, force mains, and stormwater systems. 3. Industrial Applications: Ductile iron pipe finds applications in various industrial settings, including power plants, chemical plants, and refineries. It is used for the transportation of water, wastewater, and other fluids in these industries. 4. Irrigation Systems: Due to its strength and long lifespan, ductile iron pipe is suitable for irrigation systems, especially in agricultural areas. It is used to transport water for irrigation purposes, ensuring efficient water distribution in fields and farms. 5. Fire Protection Systems: Ductile iron pipe is commonly used for fire protection systems, including fire hydrants, fire sprinkler systems, and fire suppression systems. Its robustness and resistance to high pressure make it an excellent choice for reliable and effective fire protection. 6. Pumping Stations: Ductile iron pipe is often used in pumping stations, which are crucial for various water-related applications. It is employed in water intake systems, wastewater pumping stations, and water treatment plants to transport water and wastewater efficiently. 7. Municipal Infrastructure: Ductile iron pipe is widely used in municipal infrastructure projects, including road drainage systems, culverts, and bridge crossings. Its strength, durability, and resistance to external loads make it suitable for these applications. 8. Gas Distribution: Although more commonly used for water-related applications, ductile iron pipe is also used for the distribution of natural gas and other gases. It is preferred for gas distribution due to its resistance to corrosion and its ability to withstand high-pressure environments. Overall, ductile iron pipe has a wide range of applications and is preferred in situations that require strength, durability, and resistance to corrosion. Its versatility and reliability make it a popular choice for various infrastructure projects and industrial applications.

Q: Ductile iron pipes lined with cement mortar in the water (living water, water in the 6.9-7.3) in the early pH, why pH increased? How to solve this problem?: The basic characteristic of ductile iron pipe of ordinary cement mortar lining the inner wall of the tube will make passivation, have antiseptic effect, but in the initial stage of using cement mortar lining will be the alkali component separation, so that the pH value of water increased to influence water quality

Q: Are ductile iron pipes suitable for installation in rocky or hard soil conditions?: Yes, ductile iron pipes are suitable for installation in rocky or hard soil conditions. Ductile iron pipes are known for their strength and durability, making them well-suited for challenging soil conditions. Their high tensile strength allows them to withstand external loads and pressures, including the presence of rocks or hard soil. Additionally, ductile iron pipes are resistant to corrosion, which further enhances their suitability for installation in such conditions. The pipes' flexibility and ability to withstand bending stresses also make them a reliable choice for rocky or hard soil conditions, as they can accommodate ground movement without compromising their structural integrity. Overall, ductile iron pipes are a preferred option for installations in challenging soil conditions due to their robustness, longevity, and resilience.

Q: How much is the installation cost of the ductile iron tube?: From the hydraulic performance, because ductile pipe specifications generally refers to the inner diameter of PE pipe diameter specifications generally refers to the same specifications, because under the condition of ductile pipe can achieve greater runoff; from the installation and maintenance cost, ductile pipe have more favorable price. The inner wall of zinc spray, anti-corrosion materials such as cement mortar.

Q: How are ductile iron pipes connected together?: Ductile iron pipes are typically connected together using a jointing method called push-on joint. This involves lubricating the spigot end of one pipe and inserting it into the bell end of another pipe. The two pipes are then pushed together until the spigot end reaches the center of the bell end, creating a tight and secure connection.

HYDROTECH,possesses 2 blast furnaces with 450 Cubic meter , 3 sets of 3000kw blast furnace gas generator and 6 ductile iron pipe centrifugal machines. Yongtong possesses a strong production capacity, 1.3 million tons casting and ductile iron and 0.4 million tons ductile iron pipe, the diameter ductile iron pipe is from 80mm to 1200mm.

1. Manufacturer Overview

Location	Henan, China
Year Established	1958
Annual Output Value	Below US$1 Million
Main Markets	Mid East, Africa, South Asia, Eastern Asia
Company Certifications	ISO 9001:2008；ISO2531:2000

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Tianjin; Qingdao
Export Percentage	1% - 10%
No.of Employees in Trade Department	3000 People
Language Spoken:	English; Chinese; Spain; Alabic
b) Factory Information
Factory Size:	Above 150,000 square meters
No. of Production Lines	Above 6
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	Average