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Zhejiang Jingliang Copper-Tube Products Co., Ltd

Wholesale Copper Bushings

Copper Bushings

-- Steady & Reliable Manufacturer --

The Precision Component for Versatile Pipe Reduction

Copper Bushings, specifically "Reducing Bushings," are the essential problem-solvers for piping systems that require a transition between different tube diameters in a limited space. At Zhejiang Jingliang, our copper bushings are manufactured via "Precision Turning or Forging," ensuring that the internal and external diameters are perfectly concentric. Unlike a standard coupling-style reducer, a bushing is designed to fit "Inside" another fitting, effectively converting a larger socket to a smaller size. This is particularly valuable in "Header Manifolds" or "Valve Assemblies" where space is extremely tight and a bulky concentric reducer would not fit. Our bushings are made from C12200 copper, providing the same high thermal conductivity and corrosion resistance as our main pipe lines.

The key to a high-quality bushing is the "Shoulder Design." Our bushings feature a "Flush-Seating Shoulder" that provides a positive stop against the outer fitting, ensuring the joint remains square and the capillary gap is maintained. This prevents the bushing from sliding too far into the larger pipe, which could create a "Dead-Leg" where bacteria or sediment can accumulate. At Jingliang, we offer both "Flush" and "Extended" bushing styles to suit various plumbing and HVAC requirements. Every bushing is "Bright Annealed" and polished to ensure that soldering is effortless. Whether you are adapting a 1-inch main line down to a 1/2-inch fixture branch or building a custom sensor housing, our copper bushings provide the "Precision Transition" required for professional fluid and gas management.

Concentricity & Fitment Specs

PropertyBushing Specification
Material GradeC12200 / C11000
Fitting TypeFlush Bushing / Reducer Bushing
ConnectionMale to Female (FTG x C)
Size Range1/4" to 4" (OD)
Concentricity Tolerance± 0.05mm
StandardsASME B16.22 / MSS SP-106
Surface FinishPolished / Oxide-Free
Pressure ClassMatches pipe rating (K / L / M)
Temperature RatingUp to 250°C (Application dependent)
CustomizationAvailable for non-standard wall thickness

Manifold Systems, Valve Adapters, and Instrumentation

Copper bushings are primarily used in "HVAC Manifold Construction" to connect multiple smaller branch lines to a larger main header. They are essential for "Valve and Pump Adaptations," allowing larger equipment ports to connect to smaller process piping. In "Plumbing Systems," they provide a compact method of connecting water meters and backflow preventers. "Solar Thermal Systems" utilize bushings to adapt temperature sensor wells into main collector lines. They are found in "Pneumatic Control Systems" for stepping down air lines to instrumentation panels. In "Hydronic Heating," they allow for the installation of air vents and pressure relief valves into the piping circuit. Additionally, bushings are used in "Laboratory Gas Systems" for precision flow control adaptations and in "Industrial Lubrication Lines" for heavy machinery.

Space-Saving Design and Perfect Capillary Action

The primary advantage is "Ultra-Compact Reduction"—the ability to change pipe sizes "Within the Body of Another Fitting," saving significant space in crowded equipment cabinets. Our "Precision Machining" ensures "Zero-Variance Concentricity," which provides "Balanced Fluid Flow" and prevents localized turbulence. The "Shoulder-Stop Design" "Eliminates Installation Errors" by ensuring the bushing is seated at the correct depth for a perfect braze. Our bushings offer "Excellent Solderability," as the "Uniform Capillary Gap" ensures a complete 360-degree seal with minimal filler metal. The "High Purity Copper Construction" provides "Total Compatibility" with existing copper systems, "Preventing Electrolytic Action." Furthermore, our bushings are "Highly Resistant to Pressure Surges," maintaining structural integrity in high-PSI systems. Finally, the "Mirror Finish" and "Deburred Edges" "Protect the Installer" and ensure a clean, professional aesthetic for exposed piping.

Precision Packaging and Batch Traceability

Bushings are small but critical. We package them in "Quantity-Verified Bags" and then in sturdy, labeled boxes for easy inventory management. Payment is 30% T/T and 70% L/C. We ship from Ningbo, offering "Material Traceability Reports" for industrial projects. For OEM customers, we offer "Bulk Box-Quantities" and "Export-Grade Palletizing" to ensure your components arrive safely and are ready for the production line.

  • Q: What is the difference between a bushing and a reducer?
  • A: A reducer is a standalone fitting with two female ends. A bushing has one male end (to fit inside another fitting) and one female end (to receive a pipe), making it more compact.
  • Q: Can these be used for gas lines?
  • A: Yes, our bushings are rated for medical gas and fuel gas applications, provided they are brazed according to local code.
ABOUT US
30+YEARS OF
EXPERIENCE
About Us

A Reliable Partner of the Copper Tube Industry

Zhejiang Jingliang Copper-Tube Products Co., Ltd is China Copper Bushings and Copper Bushings Factory, which established in 1994, has been deeply involved in the copper tube industry for over three decades. The company primarily produce various specifications of products such as copper tubes, brass tubes, copper square tubes, fin copper tubes, copper capillary tubes, condenser copper tubes, copper evaporator tubes, and conductive rods, which are of quality and have earned the trust and acclaim of customers both domestically and internationally.

Wide Applications:

These products are widely used in various fields including air conditioning, refrigeration, heat exchange, sanitary ware, automotive, machinery, electric furnaces, and chemical industries.

Convenient Transportation:

Strategically located in Tangpu Town, renowned as the “home of copper tubes” in East China. Our company enjoys a prime location, adjacent to the Shangsan Expressway and National Highway 104, and is conveniently situated just over 70 kilometers from Hangzhou and Ningbo, ensuring easy accessibility and a business position.

Strong Financial Resources:

With its strong financial resources and advanced copper tube processing technology, our company holds an advantageous position in market share, brand value, technological content, and product quality, becoming a preferred supplier for many listed groups.

Large Scale Production:

The company occupies an area of over 20,000 square meters, with a construction area of 12,800 square meters. In 2022, our annual production exceeded 7,500 tons, with a value output of up to 450 million yuan, demonstrating our strong production capacity and market competitiveness.

Comprehensive Industry Chain:

Jingliang has now developed into a complete industrial chain integrating smelting, extrusion, drawing, precision rolling, and annealing. It has been awarded multiple honors, including "Top Ten Copper Tube Enterprises" and "Leading Taxpayer in the Copper Tube Industry".

Smart Manufacturing:

Jingliang Copper-Tube Products will better integrate the concept of factory construction into its corporate development strategy, insist on refining technology and polishing products more finely, and the future of "intelligent manufacturing".

Genuine Cooperation:

Zhejiang Jingliang Copper-Tube Products Co.,Ltd warmly welcomes friends from all walks of life to visit and offer guidance. We look forward to joining hands with you to create a brilliant future together.

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