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:Are ductile iron pipes suitable for power plant applications?: Yes, ductile iron pipes are suitable for power plant applications. Ductile iron is a type of cast iron that has enhanced strength, durability, and flexibility compared to traditional cast iron pipes. These properties make ductile iron pipes ideal for power plant applications where they are exposed to high pressure, extreme temperatures, and corrosive environments. Power plants often require a reliable and robust piping system to transport various fluids such as water, steam, and chemicals. Ductile iron pipes have high tensile strength and can withstand high pressure, ensuring the safe and efficient flow of these fluids within a power plant. Their ability to handle high-pressure steam makes them particularly suitable for power generation applications. Additionally, ductile iron pipes have excellent resistance to corrosion, which is crucial in power plants where many fluids can be highly corrosive. The internal and external linings of these pipes protect them from corrosion, ensuring a longer service life and reducing maintenance costs. This corrosion resistance also makes them suitable for transporting chemicals and wastewater within a power plant. Another benefit of ductile iron pipes is their ability to withstand extreme temperatures. Power plants often operate at high temperatures, and ductile iron pipes can handle these conditions without compromising their structural integrity. They have a high melting point and can resist thermal expansion and contraction, making them suitable for applications involving hot fluids and steam. Furthermore, ductile iron pipes are cost-effective compared to other materials commonly used in power plants, such as stainless steel or carbon steel. They offer a balance between performance and cost, making them an attractive choice for power plant applications. In conclusion, ductile iron pipes are well-suited for power plant applications due to their strength, durability, flexibility, corrosion resistance, and ability to withstand high pressures and extreme temperatures. Their cost-effectiveness further adds to their suitability for power plant piping systems.

Q:Can ductile iron pipes be used for bridge crossings?: Yes, ductile iron pipes can be used for bridge crossings. Ductile iron is a strong and durable material that is commonly used in various applications, including water and wastewater systems. When it comes to bridge crossings, ductile iron pipes offer several advantages. They have high tensile strength, which allows them to handle the load and stress imposed by the bridge structure. Additionally, ductile iron pipes are resistant to corrosion, making them suitable for environments where bridges may be exposed to moisture and other harsh conditions. Furthermore, ductile iron pipes have the ability to withstand seismic activity, making them a reliable choice for areas prone to earthquakes. Overall, ductile iron pipes are a suitable and reliable option for bridge crossings due to their strength, durability, corrosion resistance, and ability to withstand seismic activity.

Q:Can ductile iron pipes be used in agricultural applications?: Yes, ductile iron pipes can be used in agricultural applications. Ductile iron pipes have excellent strength and durability, making them suitable for various agricultural purposes. They can be used for irrigation systems, water supply pipelines, and drainage systems in farms and agricultural fields. Ductile iron pipes are resistant to corrosion and have a long lifespan, which is crucial for agricultural applications where the pipes are exposed to various environmental factors and chemicals. Additionally, ductile iron pipes have the ability to withstand high-pressure water flow, making them ideal for transporting water for irrigation purposes. Overall, ductile iron pipes are a reliable and efficient choice for agricultural applications due to their strength, durability, corrosion resistance, and ability to handle high-pressure water flow.

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 are the typical surge anticipation measures for ductile iron pipe?: Typical surge anticipation measures for ductile iron pipe involve implementing various techniques to mitigate the potential damage caused by surges or water hammer in the pipe system. These measures are designed to absorb or redirect the sudden pressure changes, preventing the pipe from rupturing or failing. Some common surge anticipation measures for ductile iron pipe include: 1. Air chambers: Air chambers are installed at strategic points along the pipeline to provide a cushion of air that absorbs the energy generated by surges. As the pressure wave travels through the pipe, the air compresses, reducing the impact on the pipe and minimizing the risk of damage. 2. Surge tanks: Surge tanks are large vessels connected to the pipeline that act as storage reservoirs for excess pressure. When a surge occurs, the surge tank absorbs the excess water volume, preventing it from causing damage to the pipe. The stored water is then gradually released back into the system, allowing pressure to stabilize. 3. Surge relief valves: Surge relief valves are installed in the pipeline to automatically release excess pressure during surge events. These valves open when the pressure exceeds a preset limit, allowing the surge to dissipate harmlessly. Surge relief valves can be adjusted to release the desired amount of pressure, ensuring the safety of the ductile iron pipe. 4. Water hammer arrestors: Water hammer arrestors are devices that absorb the shock generated by surges and water hammer in the pipe system. They consist of a sealed chamber with a compressible gas or liquid that absorbs the sudden pressure changes. By absorbing the energy, water hammer arrestors protect the ductile iron pipe from potential damage. 5. Surge suppressors: Surge suppressors are devices that regulate the flow of water during surge events. They are designed to reduce the speed at which surges travel through the pipe, minimizing the impact on the system. Surge suppressors can be installed at critical points in the pipeline to prevent damage to the ductile iron pipe. It is essential to consider the specific requirements of the pipeline system and consult with experienced engineers or industry professionals to determine the most suitable surge anticipation measures for ductile iron pipe installations.

Q:How do ductile iron pipes handle ground settlement near construction sites?: Ductile iron pipes are highly resilient and can withstand ground settlement near construction sites. Due to their flexible nature, these pipes can accommodate small movements and settlement without incurring significant damage or failure. The ductility of the material allows the pipes to bend and adjust to the changing ground conditions, ensuring their integrity and minimizing the risk of leaks or breakage. Additionally, the strong and durable properties of ductile iron make it a reliable choice for underground infrastructure, providing long-term stability even in challenging environments.

Q:How are ductile iron pipes protected against freeze-thaw cycles?: Ductile iron pipes are protected against freeze-thaw cycles through several measures. Firstly, the material used in ductile iron pipes is inherently resistant to low temperatures and can withstand freezing conditions without becoming brittle or prone to cracking. Additionally, the pipes are often coated with a protective layer, such as cement mortar lining or polyethylene encasement, to provide an extra barrier against freeze-thaw damage. These coatings serve to insulate the pipe and prevent direct contact between the iron and the surrounding environment. Furthermore, ductile iron pipes are commonly designed with joints that allow for movement and flexibility, which helps to accommodate any expansion or contraction that may occur during freeze-thaw cycles. This flexibility reduces the risk of pipe breakage or damage due to the pressure exerted by freezing water inside the pipe. Moreover, proper installation practices, including adequate bedding and backfilling, are crucial in protecting ductile iron pipes against freeze-thaw cycles. Ensuring that the pipes are properly supported and surrounded by suitable materials helps to minimize the impact of freezing temperatures on the structural integrity of the pipes. Regular inspection and maintenance of ductile iron pipes are also essential in identifying any potential issues caused by freeze-thaw cycles. Periodic assessments can help detect any signs of damage or deterioration, enabling timely repairs or replacement to prevent further damage. In summary, ductile iron pipes are protected against freeze-thaw cycles through the inherent resistance of the material, protective coatings, flexible joints, proper installation practices, and regular maintenance. These measures collectively contribute to the durability and longevity of ductile iron pipes, even in cold weather conditions.

Q:Can ductile iron pipe be used for stormwater systems?: Ductile iron pipe is indeed suitable for stormwater systems. This material is widely utilized in various applications, including stormwater systems, due to its strength and durability. Its exceptional corrosion resistance makes it ideal for managing stormwater, which frequently contains debris and chemicals. Moreover, ductile iron pipe possesses impressive tensile strength, enabling it to withstand significant amounts of pressure and weight. Therefore, it is a dependable option for stormwater systems that may encounter substantial flow rates and occasional surges. Furthermore, ductile iron pipe is accessible in a variety of sizes and configurations, providing flexibility and adaptability when designing stormwater systems.

Q:Can ductile iron pipe be used for oil and gas pipelines?: Yes, ductile iron pipe can be used for oil and gas pipelines. Ductile iron pipe is known for its strength, durability, and corrosion resistance, making it suitable for a variety of applications including oil and gas transportation. It has been widely used in the industry for many years and has proven to be a reliable choice for pipeline systems. Additionally, ductile iron pipe can handle high pressure and heavy loads, making it suitable for the demands of oil and gas pipelines. However, it is important to ensure that the specific grade and specifications of the ductile iron pipe meet the requirements of the particular oil and gas project to ensure optimal performance and longevity.

Q:What is the cost of ductile iron pipes compared to other materials?: The cost of ductile iron pipes compared to other materials can vary depending on several factors such as the size, length, and application of the pipes. In general, ductile iron pipes tend to be more expensive than other materials such as PVC or HDPE (high-density polyethylene) pipes. This is primarily due to the superior strength, durability, and longevity offered by ductile iron pipes. While the initial cost of ductile iron pipes may be higher, they often provide a more cost-effective solution in the long run due to their extended lifespan. Ductile iron pipes have a life expectancy of over 100 years, making them a highly reliable and low-maintenance choice for water, sewage, and gas distribution systems. This longevity reduces the need for frequent replacements, repairs, and associated costs. Furthermore, ductile iron pipes are known for their exceptional resistance to external loads, pressure, and corrosion. This makes them well-suited for a wide range of applications, including high-pressure water and gas transmission, industrial pipelines, and sewer systems. The inherent strength of ductile iron pipes allows for thinner walls, resulting in reduced material and installation costs when compared to other materials. It is important to note that the cost of ductile iron pipes can also be influenced by market conditions, transportation costs, and availability of raw materials. Therefore, it is always advisable to consult with suppliers and conduct a cost-benefit analysis before making a decision.

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