Your Professional Brass Pipe Fittings Supplier
Our goal is to become your true partner in the field of air release valve in China. Zhejiang Yuanlun Valve Co., Ltd. has become a professional manufacturer of HVAC valves integrating design and development, production and processing, and sales and trade, as well as a modern enterprise with scientific management. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
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Direct Three-piece SetPlace of origin: Chinaview more
Brand name: Yunnl
Product Name:Direct three-piece set
Size: DN15-DN32
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Three-piece Bend ConnectorPlace of origin: Chinaview more
Brand name: Yunnl
Product Name: Three-piece bend connector
Size: DN15-DN32 ... -
Elbow FittngPlace of origin: Chinaview more
Brand name: Yunnl
Product Name:Elbow fittng
Size:DN15-DN32
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Hexagonal Cap with Inner ThreadPlace of origin: Chinaview more
Brand name: Yunnl
Product Name:Hexagonal cap with inner thread
Size:DN15-DN32 ... -
Internal And External Wire JointsAn internal-external thread joint is a type of pipeline connector with internal threads on one end and external threads on the other. This design allows the joint to connect with both internally...view more
Why Choose Us
Our certificates: Our company has successively obtained ISO9001 quality management system certification, ISO14001 environmental management certification, occupational health and safety management certification, national authority-quality inspection qualified product certification, multiple utility model patents, design patents, EU CE certification and other certificates.
Production market: Our company actively expands domestic and foreign markets, and its products are exported to Europe, America, the Middle East and other regions, winning wide recognition from domestic and foreign customers.
Production equipment: Our company's production equipment includes special machine tools for gate valve sealing surfaces, five-station turntable special, large CNC lathes, four-station turntable special machines, three-station turntable special machines, center hole processing machines, eight-station rotary table machine tools, etc.
Our services: In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.
Advantages of Brass Pipe Fittings




Easy maintenance and repair: Due to the three-part design of the brass direct three-piece set, users can easily disassemble, inspect, and replace individual components without having to replace the entire valve.
High corrosion resistance: Brass exhibits excellent corrosion resistance, capable of withstanding long-term erosion by fluids such as water and air, reducing the risk of leaks and equipment damage.
Wide applicability: With high pressure resistance and strong sealing performance, the brass direct three-piece set is widely used in liquid and gas pipeline systems, such as hvac systems, water supply systems, compressed air systems, and chemical liquid transportation systems.
High strength and reliability: As a valve material, brass has high mechanical strength, capable of withstanding fluid flow under high-pressure conditions and ensuring long-term stable operation of equipment.
Cost-effectiveness: The brass direct three-piece set offers a relatively high cost-performance ratio. Compared with other high-end metal materials, brass is lower in cost while its comprehensive performance remains comparable.
Specification of Brass Pipe Fittings
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Pressure. |
3000 psi |
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Density. |
3000-5500 kg/cub.m |
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Melting Temperature. |
900-1045°C |
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Electrical Resistance. |
0.07-0.08 Ohm / m |
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Specific Heat capacity (20°C). |
0.377 kJ/kg-1/K-1 |
Types of Brass Pipe Fittings
Elbows: Elbow fittings are used to change the direction of the flow in a pipe system. The most common types are 45° and 90° elbows, which bend the pipe at respective angles to direct the flow as needed.
Tee fittings: Tees are shaped like the letter “t” and are used to join three pipes at a 90° angle. They allow for the splitting or combining of fluid flow, making them essential in systems that require branching off from a main pipe.
Straight couplings: Couplings are used to connect two pipes in a straight line. They are available in various sizes to match different pipe diameters and are commonly used to extend pipe length or repair damaged pipes.
Unions: Unions are designed to allow easy disconnection of pipes without the need for cutting. They are often used in systems that May require periodic maintenance or replacement of parts, as they make assembly and disassembly simple.
Male and female adapters: Adapters are used to connect pipes of different materials or sizes. They come in both male (external threading) and female (internal threading) versions to fit various configurations and ensure compatibility between different pipe types.
Reducing bushings: Bushings are fittings used to reduce the size of the pipe, allowing for the connection of larger pipes to smaller ones. This is essential in systems where different pipe diameters are required for specific purposes.
End caps and plugs: Caps and plugs are used to seal the end of a pipe, preventing the flow of liquid or gas. Caps typically fit over the pipe, while plugs are inserted into the pipe. These fittings are often used in systems that require temporary or permanent closure.
Nipple fittings: Nipples are short lengths of pipe with male threads on both ends. They are used to connect two female-threaded fittings or pipes and are available in various lengths to meet specific connection needs.
Features of Brass Pipe Fittings
The valve body is typically the main part of the entire valve, responsible for bearing the pressure of the fluid and ensuring proper fluid flow. The brass valve body is corrosion-resistant, oxidation-resistant, and has high strength and stability.
The valve seat is the sealing component of the valve, designed to prevent water or gas leakage when the valve is closed. The three-piece design usually allows for easier replacement or maintenance of the valve seat.


Residential and commercial use: Brass pipe fittings are extensively used in plumbing systems to transport water in homes, commercial buildings, and industrial facilities. They are ideal for both hot and cold water distribution, ensuring leak-proof connections and long-lasting performance.
Gas supply systems: Brass fittings are frequently used in gas lines for distributing natural gas or propane in homes, commercial buildings, and industrial setups. Their ability to withstand pressure and corrosion makes them reliable in safely handling gas systems.
Hvac (heating, ventilation, and air conditioning) systems: Brass pipe fittings are used in hvac systems to control the flow of refrigerants and other fluids. Their temperature tolerance and corrosion resistance make them suitable for both heating and cooling applications.
Industrial applications: In industries such as chemical plants and oil & gas facilities, brass pipe fittings are utilized for handling corrosive fluids and gases.
Manufacturing Process of Brass Pipe Fittings
Centrifugal casting (industrial)
Centrifugal casting also known as roto-casting is kind of casting technique that is used for thin-walled cylinders mostly used for glass and plastic
Continuous casting
Continuous casting, also known as strand casting, and helps in solidifying molten metalsfor final finishing
Die casting
Die casting is a kind of casting method for metals which deals in forcing molten metal and passes it through a mould to create items
Evaporative-pattern casting
Evaporative-pattern casting is a kind casting process that makes use of evaporating technology when molten metal is passed into a mould
Packing and Shipping of Brass Pipe Fittings
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Packing |
Wooden box |
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Shipping |
Shipped by road, sea, rail |
FAQ
We're professional brass pipe fittings manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale brass pipe fittings for sale here from our factory. Contact us for free sample.
Hex Internal Thread Cap, plug, Three-piece Bend Connector
