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High-Performance Union Threaded Fitting for OEM and Bulk Order

Union Threaded Fitting - Shenchi – Direct Supply from the Factory

The Union Threaded Fitting is a key connector in piping systems that facilitates easy assembly and disassembly, allowing equipment to be disconnected or installed without rotating the entire pipe. This makes inspection and maintenance extremely convenient. As a professional pipe fittings manufacturer in China, Shenchi produces Union Threaded Fittings using high-quality brass and stainless steel. The threads are precision-machined for a tight fit, offering excellent pressure resistance and corrosion resistance while preventing leaks. These fittings are suitable for various engineering piping systems such as water supply and heating.

Union Threaded Fitting

What is a Union Threaded Fitting?

A Union Threaded Fitting is a pipe connector composed of a nut and a joint, used to connect two pipes. Its key feature is that it allows disassembly without rotating the pipes, facilitating easy maintenance or equipment replacement. It offers good sealing performance and can be reused multiple times.

Maintenance Tips

Regular Inspection: Check for leaks or looseness and tighten as needed.

Avoid Over-tightening: Hand-tighten first, then gently tighten with a tool. Over-tightening may damage the threads.

Rust and Corrosion Prevention: Keep the surface dry and avoid contact with corrosive substances.

Seal Ring Care: If a gasket is used, regularly check for aging or deformation and replace if necessary.

Disassembly Caution: Protect the threads during disassembly to prevent damage. Clean the threads thoroughly before reassembly to ensure smooth connection.

Product Specifications

Parameters Specifications
Fitting Type Union Threaded Fitting
Operation Mode Manual
Connection Type Threaded
Rated Pressure PN16
Size Range 1/8" to 4" (DN6 to DN100)
Material Brass, SUS304, SUS316L
Seal Material EPDM
Temperature Range -20°C to 120°C
Applicable Standards Standards: ANSI, BS, DIN, ISO, JIS

Product Types

High-Temperature Female Union Elbow: Made with high-temperature-resistant material and female threads, suitable for turning points in hot water or heating systems.

Easy-Install Male Union Elbow: Features male threads for quick installation, ideal for fast connections at pipe bends.

Female Threaded Union Tee: With female threaded ports and a three-way branch, facilitates maintenance and branch line connections.


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High-Temperature Rated Female Threaded Union Elbow

High-Temperature Rated Female Threaded Union Elbow

High-Temperature Rated Female Threaded Union Elbow is a corner fitting designed for fluid transmission within piping systems. Shenchi is a professional manufacturer and supplier of High-Temperature Rated Female Threaded Union Elbows in China. The product features precise angle alignment for pipe direction changes, easy installation, and flexible disassembly. Its integrated forming process enhances structural stability, ensuring high pressure resistance, wear resistance, and long service life.
Quick-Install Male Threaded Union Elbow

Quick-Install Male Threaded Union Elbow

The Quick-Install Male Threaded Union Elbow is a detachable pipe fitting designed for easy assembly and disassembly. Shenchi is a specialized manufacturer and supplier of Quick-Install Male Threaded Union Elbows in China. Our product supports various international thread standards—including NPT, BSP, and others—and, backed by international certifications and precision craftsmanship, is widely compatible with diverse piping systems such as plumbing, drainage, and HVAC. It represents a trustworthy pipe fitting solution for engineering procurement projects.
Female Threaded Union Tee

Female Threaded Union Tee

The Female Threaded Union Tee is a type of branching pipe fitting. Shenchi specializes in pipe fittings and serves as a professional, direct-source manufacturer in China for equal-diameter female-threaded union tees. Our wholesale operations cover a comprehensive range of pipe fittings; we leverage expert craftsmanship to meet diverse engineering requirements, offering a seamless, one-stop solution for system integration.
Pre-Gasketed Female Union

Pre-Gasketed Female Union

The Pre-Gasketed Female Union is a readily detachable and re-attachable direct connector. Crafted with precision by the Shenchi factory, this internally threaded union features an integrated gasket design; a high-elasticity sealing ring is embedded directly into the fitting, effectively eliminating the common issue of easily lost or misplaced sealing components. With its precisely cut threads, this fitting offers broad compatibility for connecting plumbing pipelines and valves.
Quick-Install Male x Female Union

Quick-Install Male x Female Union

The Quick-Install Male x Female Union is a highly efficient and convenient connecting component. Offered through direct sales from our source factory in China, Shenchi introduces an upgraded version of the Quick-Install Male x Female Union, specifically engineered for complex industrial piping systems. This innovative product seamlessly integrates internal-to-external thread conversion with a pre-installed sealing system.
Double Male Thread Union for Plumbing

Double Male Thread Union for Plumbing

The Double Male Thread Union for Plumbing is a specialized fitting designed specifically for connecting two internally threaded pipe components. As a professional manufacturer and integrated trade-factory enterprise in China—and a direct source factory for double-male-threaded unions—Shenchi proudly introduces its "Made in China" Double Male Thread Union for Plumbing to the global market. Featuring external threads at both ends, this union allows for direct connection to internally threaded fittings without the need for additional nipples or adapters, ensuring highly efficient installation.
Fire Pipe Butt Weld Joint

Fire Pipe Butt Weld Joint

The Fire Pipe Butt Weld Joint is a type of welded connection. Shenchi specializes in the sale of professional double-ended butt-weld unions, offering "Made in China" Fire Pipe Butt Weld Joints to the global market. Featuring a butt-weld structure at both ends, the joint forms a permanent, integral connection with the piping through welding, thereby completely eliminating any potential risks of leakage. Its core advantages lie in its exceptional resistance to high pressure, high temperatures, and corrosion—making it particularly well-suited for demanding operating environments such as those found in the chemical, petroleum, and natural gas industries.
Female Thread x Butt-Weld Union

Female Thread x Butt-Weld Union

The Female Thread x Butt-Weld Union is a hybrid connection fitting. Shenchi is a professional source manufacturer, introducing "Made in China" female-threaded butt-weld unions to the global market. This product features a female-threaded end on one side and a butt-weld end on the other, enabling a direct connection between threaded piping and welded piping without the need for intermediate adapter fittings, thereby significantly boosting installation efficiency. We also supply a complementary series of male-threaded butt-weld unions, offering a comprehensive range of solutions to meet all pipeline connection requirements.
Active Female Thread Straight Connector

Active Female Thread Straight Connector

The Active Female Thread Straight Connector is a pipe fitting featuring a fixed internal-thread end and a union nut structure on the other end. Shenchi factory offers ready stock of this rotating union-type internal-thread connector. The swivel end can rotate freely, allowing installation without turning the pipe. It enables easy tightening in confined spaces and simplifies maintenance for users worldwide.
Partner with Shenchi, a leading China factory and supplier, for top-quality Union Threaded Fitting. We deliver precision and care, direct from our source.
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