Nexus Alloys And Steels Private Limited

We are a trusted supplier and stockist of high-quality Copper Capillary Tubes, widely used in refrigeration and air conditioning systems for precise flow control of refrigerants. Manufactured from high-purity copper, these tubes ensure excellent thermal conductivity, corrosion resistance, and long service life.

Our copper capillary tubes are precision engineered to maintain accurate internal diameter and smooth inner surface, ensuring consistent refrigerant flow and efficient cooling performance. These tubes are suitable for refrigerators, air conditioners, deep freezers, water coolers, and other HVAC applications.

Available in various inner diameters and wall thicknesses, our capillary tubes are offered in both soft annealed coils and hard drawn straight lengths to meet different industrial requirements.

We maintain ready stock for immediate dispatch and provide competitive pricing for bulk supply

We are a leading supplier and stockist of premium quality CuNi 80/20 Pipes and Tubes (Copper Nickel 80/20) manufactured for superior corrosion resistance and marine performance.

CuNi 80/20 is a copper-nickel alloy containing approximately 80% copper and 20% nickel. It offers excellent resistance to seawater corrosion, biofouling, and erosion, making it highly suitable for marine, offshore, and condenser applications. The alloy also provides good strength, excellent thermal conductivity, and reliable performance in saltwater and industrial environments.

Our Cupro Nickel 80/20 pipes and tubes are manufactured under strict quality control standards to ensure dimensional accuracy, smooth surface finish, and long service life under high-pressure and high-velocity conditions.

Material Grade:

CuNi 80/20
UNS C71000

Manufacturing Type:

• Seamless Pipes
• Welded Pipes
• Heat Exchanger Tubes
• Condenser Tubes

Standards:

ASTM B466 (Seamless Pipe)
ASTM B467 (Welded Pipe)
ASTM B111 (Condenser & Heat Exchanger Tubes)

Key Features:

• Excellent resistance to seawater corrosion
• Good resistance to biofouling and erosion
• High thermal conductivity
• Good weldability and fabrication properties
• Long service life in marine environments

Size Range:

• Outer Diameter: As per requirement
• Thickness: As per specification
• Length: Standard & cut-to-size

Applications:

• Marine & Shipbuilding Industry
• Offshore Platforms
• Condenser Systems
• Heat Exchangers
• Desalination Plants
• Power Generation

Material supplied with EN 10204 3.1 Test Certificate, ensuring full traceability of chemical and mechanical properties.

Ready stock available for bulk supply and export orders at competitive pricing with fast delivery.

A butt weld concentric reducer is a type of pipe fitting used in piping systems to connect pipes of different diameters It is designed to facilitate a smooth transition between two pipes or tubes with different sizes while maintaining a centerline alignment The reducer gets its name from its shape which tapers down or up in a conical manner Here are some key features and points about butt weld concentric reducers Design and Shape Concentric reducers have a conical shape where the centerlines of the larger and smaller ends are aligned This results in a smooth transition that minimizes turbulence and pressure losses in the fluid flow Butt Weld Connection The term butt weld refers to the welding method used to connect the reducer to the pipes In a butt weld connection the ends of the pipes and the reducer are beveled to create a V groove Then they are welded together along the seam ensuring a strong and leak resistant joint Materials and Sizes Butt weld concentric reducers are available in various materials such as carbon steel stainless steel alloy steel and more to suit different applications and environments They come in a wide range of sizes to accommodate various pipe diameters and flow requirements Usage Concentric reducers are commonly used in industrial piping systems where there is a need to transition between pipe sizes while maintaining smooth fluid flow They find applications in industries like petrochemical oil and gas power generation chemical processing water treatment and more Benefits The main advantage of using a concentric reducer is its ability to maintain a balanced flow and prevent turbulence or eddies in the fluid This can help reduce pressure drops and minimize wear and tear on the system enhancing overall efficiency Installation Proper installation is crucial to ensure the effectiveness of the reducer The pipes and reducer should be properly aligned before welding to avoid misalignments that can lead to leaks or flow disruptions Maintenance Like other components in a piping system reducers require periodic inspection and maintenance to ensure their integrity and functionality This can involve checking for signs of corrosion erosion or any damage that might affect their performance It s important to consult with professionals who are experienced in designing and installing piping systems when choosing and using butt weld concentric reducers Additionally adhering to relevant industry standards and codes is essential to ensure the safety and reliability of the piping system