Yancheng Longwan Machinery Co., Ltd. HOME / PRODUCTS & APPLICATION / Ductile iron Pipe Fittings
ABOUT US
Yancheng Longwan Machinery Co., Ltd.
Yancheng Longwan Machinery Co., Ltd.
Founded in 2006, which located next to National Highway 204 in Yancheng City, Jiangsu Province, 40km from the center of Yancheng City, 5km from the center of Dongtai City, 30km from Dafeng District, and 10km from the exit of Baiju Expressway, with convenient transportation. We mainly produce various types of fire-fighting pipe fittings, reducer parts, auto parts, agricultural machinery, and industrial robot parts. Its main customers include SAIC Group, Deere, Bonfiglioli (China), Shanghai Beixu, Yaskawa Electric, etc. As a famous China Ductile iron Pipe Fittings Manufacturers and Ductile Pipe Fittings Factory, our company has a variety of molding equipment, including one vertical sand-shot horizontal parting boxless shot-press molding line with specifications of 610*510*240, 120 boxes/hour, suitable for mass production of small parts; one upper and lower sand-shot horizontal parting boxless shot-press molding line with specifications of 750*650*250, 100 boxes/hour, suitable for mass production of small and medium-sized parts; 3 sets of 1.25T medium-frequency electric furnaces; 3 cleaning shot blasting machines, and now planning a lost foam production line, suitable for 100Kg~1000Kg casting production, and planning an automatic spray painting line and an electrophoretic coating line at the same time, 3 CNC lathes and 3 lathes.
Yancheng Longwan Machinery Co., Ltd.

ODM Customization Expert

Advanced Production & Processing Equipment

Longwan Machinery has a variety of advanced domestic and foreign molding equipment, including 2 fully automatic production lines for clay sand, 1 semi-automatic production line for clay sand, and 1 coated sand production line, with an annual production capacity of 15,000 tons.

Yancheng Longwan Machinery Co., Ltd.

Complete Inspection Flow

Strict Quality Inspection

We have full-process testing equipment: spectrum analyzer, metallographic microscope, universal tensile testing machine, magnetic particle flaw detector, ultrasonic flaw detector, etc.
The above equipment can fully ensure that we can provide customers with high-precision final castings, and at the same time ensure that we meet customers' comprehensive testing requirements for physical and chemical properties of materials, non-destructive testing, high-precision geometric dimension testing, etc.

Professional Casting Expert

Comprehensive Casting Manufacturer

FAQ
  • Q
    Where are your products mainly exported to?
    A

    Our products are mainly exported to multiple countries such as Germany, Japan, Italy, South Korea, and Australia.

  • Q
    How to deliver the goods to us?
    A

    Usually, we ship by sea, which is very convenient for export.

    Of course, if the customer's goods are urgent, we can also air freight them. Ningbo Airport and Shanghai International Airport are both very close to us.

  • Q
    What's the payment term?
    A

    When quoting, we will confirm the transaction method with you.

    For mass production, we usually make a 50% advance payment in advance and then inspect and confirm the shipment before paying the remaining balance.

  • Q
    How to guarantee the quality of your goods?
    A

    Firstly, there will be corresponding inspections after each process, and for the final completed product, we will conduct a full inspection according to customer requirements and international standards;

    Then, we have advanced and complete top testing equipment in the industry: spectral analyzers, metallographic microscopes, universal tensile testing machines, magnetic particle testing machines, ultrasonic testing machines, etc.

    The above equipment can fully ensure the provision of high-precision final castings to customers, while also meeting the comprehensive testing requirements of customers for material physical and chemical properties, non-destructive testing, high-precision geometric dimension testing, and so on.

  • Q
    How many employees of your company? what about the technicists?
    A

    Our company has more than 120 employees, including 10 professional technicians and 5 engineers.

  • Q
    How about the capacity of your company?
    A

    We have 2 fully automatic clay sand production lines, 1 semi-automatic clay sand production line, and 1 coated sand production line, with an annual production capacity of 15000 tons.

  • Q
    Do you have some standard parts?
    A

    No, currently we produce and customize according to the requirements based on the drawings provided by the customer.

  • Q
    Can you do customized products?
    A

    Yes, we are mainly doing customized products according to the customers’ drawings or samples.

  • Q
    What applications do your products relate to?
    A

    Our products cover almost all the applicable equipment manufacturing and machinery manufacturing and processing fields, mainly including automotive trucks, engineering machinery, agricultural machinery, reducers, water pumps, water treatment systems, and other fields.

  • Q
    what products can you offer?
    A

    We mainly produce cast iron parts made of gray cast iron and ductile iron materials.

  • Q
    Are you a direct manufacturer or trading company?
    A

    We are a foundry and a manufacturer of cast iron parts.

  • Q
    How long can I get the feedbacks after we sent the inquiry?
    A

    We will reply to you within 24 hours of the working day.

NEWS
Ductile iron Pipe Fittings Industry knowledge
Key Applications of Ductile Iron Pipe Fittings
One of the primary applications of ductile iron pipe fittings is in the construction and maintenance of water and wastewater distribution systems. These systems are essential for supplying clean water to households, businesses, and industries, while also managing the safe disposal of wastewater. Ductile iron pipes and fittings are favored in these applications because of their high resistance to internal pressure, corrosion, and external loads. In water distribution systems, ductile iron pipe fittings connect pipes in a seamless manner, ensuring the smooth flow of water without leaks or failures. In wastewater systems, the durability of ductile iron fittings ensures that the infrastructure can withstand the harsh chemical and environmental conditions typically found in sewage and stormwater systems. Given the long service life of ductile iron, which can exceed 100 years when properly maintained, it significantly reduces the need for frequent repairs or replacements, thereby saving municipalities considerable costs in the long run.

Ductile iron pipe fittings are also widely used in fire protection systems, particularly in high-rise buildings, industrial facilities, and large public infrastructures such as airports and stadiums. These systems require reliable, high-performance materials capable of withstanding high pressure and demanding environmental conditions. Ductile iron’s ability to endure extreme temperatures, pressure fluctuations, and corrosive elements makes it an excellent choice for fire fighting systems that need to maintain consistent performance even during emergencies. Yancheng Longwan Machinery Co., Ltd. produces a range of fire-fighting pipe fittings that are used in sprinkler systems, standpipe systems, and other fire suppression systems. These fittings are designed to handle the pressure of water flow and the rugged conditions of firefighting environments. Ductile iron’s superior strength ensures that fire protection systems can operate at optimal efficiency, reducing the likelihood of system failures during critical moments.

In industrial applications, ductile iron pipe fittings play a key role in the transportation of liquids and gases, including chemicals, oil, and compressed air. These materials often require robust piping systems that can handle high pressure, temperature fluctuations, and potentially corrosive environments. Ductile iron’s high tensile strength and resistance to abrasion make it an ideal material for these applications, ensuring that the piping systems remain intact and functional under extreme conditions. Manufacturing plants that process food and beverages, chemicals, or metals rely on ductile iron fittings to maintain the integrity of their piping systems. In these industries, it is essential that the pipe fittings do not leak or corrode, as this can lead to contamination, loss of materials, and safety hazards. Ductile iron’s non-reactive properties and robust design ensure the safe and efficient transportation of materials within these facilities.

The mining and oil & gas industries also benefit from the use of ductile iron pipe fittings in their infrastructure. These industries often work in remote locations where access to materials and skilled labor can be limited. Ductile iron’s ability to withstand the abrasive conditions found in mining operations and the corrosive environments associated with oil and gas pipelines makes it a reliable choice for these sectors. In mining operations, ductile iron pipe fittings are used to convey water, slurry, and other materials throughout the site. The heavy-duty nature of these fittings ensures that they can handle the high pressures and tough conditions often encountered in such environments. In the oil and gas industry, ductile iron’s resistance to corrosion is crucial when handling highly corrosive substances, such as crude oil, natural gas, and petrochemicals, ensuring that pipelines and fittings remain intact and operational for extended periods.

Agriculture relies heavily on efficient irrigation systems, which often incorporate ductile iron pipe fittings for water distribution. Ductile iron’s ability to withstand the pressure of water flow, as well as its resistance to corrosion and rust, makes it a superior material for use in irrigation pipelines. Whether in large-scale commercial farming operations or smaller agricultural enterprises, ductile iron pipe fittings help ensure a continuous supply of water to crops and fields. Ductile iron’s robustness makes it suitable for use in systems that must endure harsh environmental conditions, such as high soil salinity or exposure to agricultural chemicals. Yancheng Longwan Machinery Co., Ltd. manufactures ductile iron fittings that are commonly used in irrigation systems, ensuring that water is efficiently distributed throughout agricultural fields without the risk of leaks or ruptures.