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Quality Control
Our foundry strictly adheres to the ISO 9001 quality management system, and all products are certified to international standards such as CE and TUV.
Advanced Equipment
We are equipped with a comprehensive range of processing equipment, including CNC machining centers, lathes, drilling machines, grinders, fully automatic molding machines, advanced machining centers, surface treatment lines, assembly lines, and packaging lines.
Customization
We have a comprehensive foundry process and can provide customized production based on customer-provided technical drawings or samples. Through a variety of process methods, we can achieve different casting effects and standards (OEM or ODM) to meet our customers' individual needs.
Extensive Experience
With over 15 years of industry experience, all our processing technicians are professionally trained and have extensive practical experience, enabling them to complete various processing tasks efficiently and accurately. Our production team has an average length of service of over 6 years, and our annual production capacity reaches 100,000 tons.
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Item |
Value |
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Customized support |
OEM, ODM |
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Place of Origin |
China |
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Temperature of Media |
Normal Temperature |
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Power |
Pneumatic |
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Structure |
Regulating |
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Material |
Casting |
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OEM |
OEM Services Provided |
Starting or stopping flow based on the valve state
01
Regulating flow and pressure within a piping system
02
Controlling the direction of flow within a piping system
03
Throttling flow rates within a piping system
04
Improving safety through relieving pressure or vacuum in a piping system
05
Ball Valves: Ball valves feature a spherical closure element with a hole through its center. When the hole is aligned with the pipe, fluid can flow through, and when the valve is closed, the hole is perpendicular to the flow, blocking it entirely. These valves are commonly used for shutoff applications, providing tight sealing.
Gate Valves: Gate valves are designed to open and close fully, with a flat gate that lifts out of the flow path when open and seals the path when closed. They are ideal for on/off service and are often used in applications where a straight-line flow of fluid and minimal pressure drop are essential.
Butterfly Valves: Butterfly valves use a disc as the closing mechanism. The disc is positioned in the center of the pipe and can be rotated to control flow. Butterfly valves are versatile, cost-effective, and offer quick operation, making them suitable for large-scale applications.
Globe Valves: Globe valves provide precise control of flow, making them suitable for applications where throttling and regulation are necessary. They have a disc that moves up and down perpendicular to the flow, allowing for fine-tuned adjustments.
Check Valves: Check valves, also known as non-return valves, are designed to prevent backflow in a pipeline. These valves automatically close when the flow reverses, ensuring that the fluid can only move in one direction.
Grey Cast Iron
Grey cast iron is suitable for water, steam, air, gas, and oil media with nominal pressure PN ≤ 1.0MPa and temperature between – 10 ℃ ~ 200 ℃.
Malleable Cast Iron for manufacturing valves
Malleable cast iron valve is suitable for water, steam, air, and oil media with nominal pressure PN ≤ 2.5MPa and temperature between – 30 ℃ ~ 300 ℃.
Nodular Cast Iron
Nodular cast iron is suitable for water, steam, air, and oil media with nominal pressure PN ≤ 4.0MPa and temperature between – 30 ℃ ~ 350 ℃. According to experience, if PN ≤ 2.5MPa, it is safer to use steel valves.
Acid Resistant High Silicon Nodular Cast Iron
Acid-resistant high silicon nodular cast iron is suitable for corrosive medium with nominal pressure PN ≤ 0.25MPa and temperature below 120 ℃.
Carbon Steel for manufacturing valves
Carbon steel valve is suitable for water, steam, air, hydrogen, ammonia, nitrogen and petroleum medium with nominal pressure PN ≤ 32.0MPa and temperature between – 30 ℃ ~ 425 ℃.
Copper Alloy
Copper alloy is suitable for water, seawater, oxygen, air, and oil medium with nominal pressure PN ≤ 2.5MPa and temperature between – 40 ℃ ~ 250 ℃.
High-Temperature Copper for manufacturing valves
High-temperature copper is suitable for steam and petroleum products with nominal pressure PN ≤ 17.0MPa and temperature below 570 ℃.
Low-Temperature Steel
Low-temperature steel is suitable for ethylene, propylene, and liquid natural gas. Liquid nitrogen medium with nominal pressure PN ≤ 6.4MPa and temperature ≥ -196℃.
Stainless Acid Resistant Steel
Stainless acid-resistant steel is suitable for nitric acid and acetic acid medium with nominal pressure PN ≤ 6.4MPa and temperature ≤ 200℃.
Energy and Power Generation
In the energy sector, particularly in power generation plants, valves are used extensively to control the flow of various fluids, such as steam, water, and cooling agents.
● Steam Control:
Valves regulate steam flow in power plants, ensuring that the right amount of steam is delivered to turbines for electricity generation.
● Cooling Systems:
Valves control the flow of cooling water, maintaining appropriate temperatures in power generation equipment to prevent overheating.
Oil and Gas Industry
Valves are essential in the oil and gas sector, where they handle the transportation, processing, and distribution of petroleum products. Specific applications include:
● Pipeline Control:
Valves manage the flow of crude oil, natural gas, and refined products through vast pipeline networks, ensuring safe and efficient transport.
● Refinery Operations:
Valves control the flow of crude oil within refineries, facilitating the processing of crude into valuable products like gasoline, diesel, and petrochemicals.
Chemical Processing
Valves play a critical role in chemical plants, where precise control over the flow of hazardous and corrosive chemicals is essential:
● Batch Processing:
Valves regulate the flow of different chemicals during batch processing, ensuring accurate mixing and reaction control.
● Corrosion Resistance:
Valves made from corrosion-resistant materials are crucial in chemical applications to prevent leaks and maintain safety.
Water Treatment and Distribution
Valves are vital in ensuring the proper treatment and distribution of water for both industrial and domestic use:
● Water Treatment Plants:
Valves control the flow of chemicals for purification and the direction of water in different treatment stages.
● Distribution Networks:
Valves manage the flow of clean water through distribution pipelines, ensuring a steady supply to communities.
Pharmaceuticals and Biotechnology
In industries that produce pharmaceuticals and biotechnology products, valves play a critical role in maintaining sterile conditions and precise fluid control:
● Bioreactors:
Valves regulate the flow of nutrients, gases, and culture media in bioreactors used for cultivating microorganisms or cells.
● Sterilization:
Valves control steam and sterilizing agents in autoclaves, ensuring the sterilization of equipment and products.
Manufacturing and Industrial Processes
Valves are essential in various manufacturing processes, including food and beverage production, pulp and paper manufacturing, and more:
● Food and Beverage:
Valves control the flow of ingredients, additives, and finished products in food and beverage processing, ensuring consistent quality.
● Pulp and Paper:
Valves regulate the flow of chemicals and pulps in the paper-making process, optimizing production.
Ductile Iron
One of the most commonly used materials in pump part is ductile iron. Ductile iron, also known as nodular cast iron, offers a unique combination of strength, ductility, and corrosion resistance. Its graphite microstructure, which consists of spherical graphite nodules, gives it better mechanical properties compared to traditional gray iron.
Stainless Steel
Stainless steel is another popular material for pump parts. It is highly resistant to corrosion, making it ideal for pumps that handle corrosive fluids such as acids, alkalis, and seawater. Stainless steel pump parts also have excellent mechanical properties, including high strength and good ductility. They can operate in harsh environments and maintain their performance over a long period.
Pattern Making
The first step in pump part is pattern making. A pattern, which is a replica of the final pump part, is created using materials such as wood, plastic, or metal. The pattern is designed with allowances for shrinkage and machining. It serves as a model for the mold and determines the shape and dimensions of the cast part.
Mold Making
Once the pattern is ready, the mold is made. There are different types of molds, including sand molds and investment molds. Sand molds are made by packing sand around the pattern. The sand is usually mixed with a binder to hold its shape. Investment molds, on the other hand, are made by creating a wax pattern, coating it with a ceramic shell, and then melting the wax out. Investment casting allows for the production of parts with high precision and smooth surfaces.
Melting and Pouring
After the mold is prepared, the metal is melted in a furnace. The melting process must be carefully controlled to ensure the proper chemical composition and temperature of the molten metal. Once the metal reaches the desired temperature, it is poured into the mold. The pouring process must be done in a way that minimizes turbulence and prevents the formation of defects such as air bubbles and shrinkage cavities.
Cooling and Solidification
After pouring, the molten metal begins to cool and solidify. The cooling rate is critical as it affects the microstructure and mechanical properties of the cast part. Slow cooling can result in larger grain sizes, which may reduce the strength of the part. On the other hand, rapid cooling can cause internal stresses and cracking. The cooling process is carefully monitored and controlled.
Finishing Operations
Once the casting has solidified, it undergoes a series of finishing operations. These include removing the mold material, trimming excess metal, machining the surfaces to the required dimensions, and performing heat treatment to improve the mechanical properties. The part is inspected for quality to ensure that it meets the specified standards.
Applications of Pump Parts
Pump parts are used in a wide range of industries. In the water treatment industry, pumps are used for water supply, wastewater treatment, and desalination. Pump parts ensure efficient and reliable operation in these critical applications. In the oil and gas industry, pumps are used for crude oil transfer, refining processes, and offshore operations. The high - quality materials and precise manufacturing of pump parts make them suitable for the demanding conditions in this industry.
In the chemical industry, pumps handle a variety of corrosive and hazardous fluids. Our wear resistant pump parts are designed to withstand the wear and tear caused by these aggressive substances. In the power generation industry, pumps are used for cooling water circulation, boiler feed, and fuel oil transfer. Pump parts contribute to the stable and efficient operation of power plants.
Make a request
Make the drawings
Engineer's confirmation
Develop molds
Quality control
Laboratory testing
Sample confirmation
Mass production
Packaging
Shipment
Our Service
● If you need custom products, first we need open the grinding tool according to your technical drawing, then we produce the sample for your check.
● If it's OK for you, then we start mass production, and every product will go through staff-check, Inspection visits, and final detection, that's to say 100% check not spot-check.
● All products has a one-year warranty period.
● And we offer 24x7 service during pre sales, mid sales, and post sales.
Packaging depends on the mold, parts and customer requirements.
Proper packaging and professional couriers will ensure fast and good delivery of goods.
We're professional valve and pump parts manufacturers and suppliers in China, specialized in providing high quality customized service. Be free to wholesale discount valve and pump parts for sale here and get quotation from our factory. For price consultation, contact us.
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