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:How are ductile iron pipes tested for hydrostatic pressure?: For water and wastewater applications, ductile iron pipes are widely used because of their strength and durability. To guarantee their quality and dependability, these pipes undergo hydrostatic pressure testing. The process of hydrostatic pressure testing involves applying internal pressure on the ductile iron pipes at levels higher than their normal operating pressure. This is done to evaluate their ability to withstand the maximum pressure they may encounter during their service life. To begin the testing, a sample set of pipes is carefully selected from a production batch or shipment. These samples are meticulously prepared by removing any surface coatings or debris that could affect the accuracy of the test results. The prepared samples are then placed in a specially designed test rig or test line. The test rig is equipped with all the necessary connections, valves, and gauges to accurately control and monitor the test conditions. Once the samples are secured in the test rig, water or another suitable test fluid is slowly introduced into the pipes. The pressure is gradually increased to a preset level, typically surpassing the expected operating pressure by a certain factor. This elevated pressure is maintained for a specified duration, usually several hours, to evaluate the structural integrity and leak resistance of the pipes. Throughout the test, the pipes are closely monitored for any signs of leakage, deformation, or failure. Skilled technicians or engineers observe the pressure gauges and visually inspect the pipes for any visible defects or abnormalities. Additionally, automated systems may be used to continuously record and analyze the pressure readings, ensuring accurate data collection. After the specified test duration, the pressure is gradually released, and the pipes are meticulously inspected for any permanent deformation or residual stress. This inspection may involve visual examination, dimensional measurements, or non-destructive testing techniques like ultrasonic testing or magnetic particle inspection. The test results are then assessed against the relevant industry standards or specifications to determine if the pipes comply with safety and performance requirements. If the pipes pass the hydrostatic pressure test, they are considered suitable for their intended application. However, if any issues or failures are identified, further investigation, analysis, or corrective actions may be necessary before the pipes can be approved for use. In conclusion, hydrostatic pressure testing plays a vital role in ensuring the quality and reliability of ductile iron pipes. By subjecting these pipes to rigorous testing procedures, manufacturers can provide customers with pipes that meet the highest standards of safety and performance.

Q:Are ductile iron pipes suitable for use in acidic environments?: Ductile iron pipes are generally not suitable for use in highly acidic environments. While ductile iron is known for its strength and durability, it does have limitations when it comes to acidic conditions. Acidic environments tend to corrode and degrade ductile iron pipes over time. In acidic conditions, the acid can react with the iron in the pipe, causing corrosion and ultimately leading to pipe failure. The rate of corrosion depends on various factors such as the concentration and type of acid, temperature, and the duration of exposure. Acidic environments with pH levels below 4 or 5 can significantly accelerate the corrosion process. To overcome this limitation, other materials like stainless steel or corrosion-resistant alloys such as PVC or HDPE (high-density polyethylene) pipes are often recommended for use in acidic environments. These materials have better resistance to corrosion and can withstand the harsh conditions associated with acidic environments. However, if ductile iron pipes are used in mildly acidic conditions or if measures are taken to protect them from corrosion, they may still be suitable. Applying protective coatings or linings to the pipes can help minimize the corrosive effects of acids. It is essential to consult with experts or engineers familiar with the specific conditions and requirements of the project to determine the most suitable material for use in acidic environments.

Q:Can ductile iron pipes be used for bridge piers?: Yes, ductile iron pipes can be used for bridge piers. Ductile iron pipes are known for their high strength and durability, making them suitable for various applications, including bridge construction. They have excellent resistance to corrosion and can withstand heavy loads, making them a reliable choice for supporting bridge piers. Additionally, ductile iron pipes offer ease of installation and maintenance, which can be advantageous in bridge construction projects. However, it is important to consider the specific requirements and design specifications of the bridge before selecting ductile iron pipes as the material for bridge piers. Proper engineering evaluation and consideration of factors such as load capacity, soil conditions, and environmental factors are essential to ensure the suitability and safety of using ductile iron pipes for bridge piers.

Q:How do ductile iron pipes handle ground movement due to tree roots?: Ductile iron pipes are known for their strong and durable nature, making them highly resistant to ground movement caused by tree roots. The flexibility of ductile iron allows it to withstand the pressure exerted by growing tree roots without fracturing or breaking. This is due to the material's ability to absorb and distribute stress, which helps to minimize the impact of ground movement. Moreover, ductile iron pipes have a smooth inner surface that minimizes the chances of tree root intrusion. The tightly sealed joints between the pipes also prevent roots from penetrating and causing damage. In instances where tree roots do manage to penetrate the soil and come into contact with ductile iron pipes, their resistance to corrosion provides an added advantage. Ductile iron pipes are coated with a protective layer that prevents the formation of rust and corrosion, ensuring their longevity and structural integrity. However, it is important to note that while ductile iron pipes are highly resistant to ground movement caused by tree roots, regular inspection and maintenance are still recommended. This allows for early detection and necessary repairs to be carried out if any root intrusion or damage is identified.

Q:What is the expected external coating for ductile iron pipes?: Typically, when it comes to ductile iron pipes, an expected external coating is applied to the pipe's outer surface. This coating serves as a protective layer, preventing corrosion and increasing the pipe's lifespan. Some common types of coatings for these pipes are polyethylene, polyurethane, and epoxy coatings. These coatings act as a barrier, shielding the pipe from contact with corrosive substances like soil, water, and chemicals. The choice of coating depends on factors such as the intended use, soil conditions, and required level of corrosion protection. Ultimately, the purpose of the expected external coating for ductile iron pipes is to ensure their longevity and durability in various environmental conditions.

Q:Are ductile iron pipes suitable for use in food processing plants?: Yes, ductile iron pipes are suitable for use in food processing plants. Ductile iron is highly durable and corrosion-resistant, making it suitable for transporting various fluids in food processing facilities. Additionally, ductile iron pipes are approved for use in potable water systems, further indicating their suitability for food-related applications.

Q:What are the advantages of using ductile iron pipes?: There are several advantages of using ductile iron pipes. Firstly, they have high tensile strength and durability, making them resistant to cracking and breaking under pressure or external forces. Secondly, ductile iron pipes have excellent corrosion resistance, allowing them to withstand harsh environments and reducing the risk of leaks and pipe failures. Additionally, they provide better flow characteristics due to their smooth internal surface, ensuring efficient transportation of fluids. Lastly, ductile iron pipes have a long lifespan and require minimal maintenance, resulting in cost savings and reliable infrastructure for water supply and wastewater management systems.

Q:What are the specifications for the installation of water ball iron pipes?: Groove support: according to the groove soil, groundwater, slotted cross section, load conditions and other factors, the design requirements are firm and reliable, to prevent landslides, support, shall not impede the lower pipe and stable pipe.

Q:What is the expected service life of ductile iron pipe?: The expected service life of ductile iron pipe can vary depending on various factors such as the quality of the pipe, the environment it is installed in, and the maintenance and care it receives. However, on average, ductile iron pipe has a life expectancy of 80 to 100 years.

Q:Are there any specific standards or specifications for ductile iron pipes?: Yes, there are specific standards and specifications for ductile iron pipes. The most commonly used standards for ductile iron pipes are set by the American Water Works Association (AWWA) and the International Organization for Standardization (ISO). The AWWA standard for ductile iron pipes is known as AWWA C151. This standard covers the design, manufacturing, testing, installation, and maintenance requirements for ductile iron pipes used in water and wastewater applications. It specifies the materials, dimensions, and mechanical properties of the pipes, as well as the required coatings and linings. Similarly, the ISO standard for ductile iron pipes is ISO 2531. This standard provides guidelines for the design, manufacturing, testing, and installation of ductile iron pipes for water and wastewater systems. It covers various aspects such as dimensions, mechanical properties, coatings, and linings. In addition to these two widely recognized standards, there may be other regional or national standards specific to certain countries or regions. These standards often align with the AWWA and ISO standards or may have additional requirements specific to local conditions or regulations. Compliance with these standards ensures that ductile iron pipes meet the necessary quality and performance requirements. It also facilitates the interoperability and compatibility of ductile iron pipes across different systems and countries, enabling reliable and efficient water distribution and wastewater management.

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