Concentric Reducer Manufacturer

Best Butt Weld Fittings Manufacturer in India since 1971.

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Teshi Group : Leading Manufacturer, Stockist, Supplier, and Exporter of Concentric Reducer Fittings in India.

Teshi Group is a prominent manufacturer, stockist, supplier, and exporter of high-quality Concentric Reducers in India, known for its dedication to producing precision-engineered fittings that meet the most rigorous standards across a range of industries. Utilizing advanced manufacturing processes and adhering to strict quality control protocols, Teshi Group ensures that each Concentric Reducer is crafted for exceptional durability, strength, and corrosion resistance, making it suitable for applications in high-pressure and high-temperature environments. Available in various materials, including stainless steel, carbon steel, and alloy steel, Teshi Group’s Concentric Reducers cater to industries such as Oil & Gas, Petrochemical, Chemical, Power Generation, and more, where reliable piping solutions are critical. These reducers are designed to conform to international standards like ASME, ANSI, and ASTM, ensuring dependable performance, secure connections, and compatibility with existing piping systems. Teshi Group’s ISO 9001:2015 certification underscores its commitment to quality, with every product undergoing rigorous testing to meet exacting standards for dimensional accuracy and durability. The company offers tailored solutions to meet specific client needs, allowing for customization in terms of materials and dimensions to suit unique project requirements. With a strong presence in both domestic and global markets, Teshi Group has established itself as a trusted supplier of high-performance Concentric Reducers, recognized for its commitment to quality, consistency, and customer satisfaction. Teshi Group’s Concentric Reducers are a preferred choice for industries seeking efficient, long-lasting fittings that enable smooth, reliable transitions in piping systems, ensuring secure connections and optimal flow in complex industrial operations.

About Concentric Reducer :-

A concentric reducer is a critical component in piping systems designed to transition between pipes of different diameters, maintaining alignment along a central axis to facilitate smooth fluid flow. Engineered with precision, these reducers are integral to industries such as oil and gas, chemical processing, petrochemical, power generation, and water treatment, where reliable and efficient flow management is essential. The concentric reducer’s design, which tapers gradually from a larger to a smaller diameter, minimizes turbulence and pressure loss, supporting optimal system performance in applications that require changes in pipe size while maintaining balanced fluid dynamics. Typically manufactured from durable materials like stainless steel, carbon steel, and various alloys, concentric reducers offer excellent resistance to corrosion, high pressures, and temperature extremes, making them suitable for both high-stress environments and critical applications where safety and efficiency are paramount. These reducers are produced to meet rigorous standards, such as ASME B16.9, which ensures dimensional accuracy, compatibility, and reliability across a range of piping configurations.

By maintaining alignment along the pipeline’s central axis, concentric reducers help prevent flow disruptions that could compromise system performance. Their seamless, gradual transition reduces the risk of fluid separation, cavitation, or potential backflow, making them ideal for systems that transport fluids or gases at high velocities or pressures. The design of concentric reducers also makes them particularly useful in vertical piping configurations, as they facilitate smooth flow and maintain even pressure distribution throughout the system. Their strength and resistance to mechanical stresses mean they can endure significant operational demands with minimal maintenance, contributing to the overall efficiency and cost-effectiveness of the piping system. Moreover, concentric reducers play a role in noise reduction within piping networks, as their smooth transition helps absorb kinetic energy and dampen vibration, which is particularly beneficial in industrial settings where noise control is a factor. In addition to providing efficient flow, concentric reducers also improve the flexibility of piping layouts, allowing for adjustments and expansions without compromising the system’s integrity. These reducers are available in various sizes and thicknesses to meet diverse operational needs, supporting applications that range from low-pressure to high-pressure systems. In sum, concentric reducers are essential fittings that enhance the functionality, safety, and longevity of industrial piping systems by providing a robust, efficient solution for managing changes in pipe diameter, helping engineers and industry professionals achieve reliable and streamlined operations across a broad spectrum of applications.

The manufacturing process of butt weld stub ends ensures that they meet stringent industry standards, such as ASME B16.9, which ensures the compatibility and performance of the fittings within various piping systems. These stub ends are produced in various sizes and configurations to match the specific requirements of the project, allowing for a high degree of customization based on the application. They are also known for their superior strength, as the welded joint created with the stub end is often as strong as the pipe itself, providing a high level of structural integrity and minimizing the risk of system failure. The smooth, continuous inner surface of the welded connection reduces turbulence and pressure drop, which helps in maintaining efficient fluid or gas flow. Furthermore, the ability to use different material grades and finishes, including corrosion-resistant coatings or high-temperature alloys, ensures that butt weld stub ends can perform reliably in a wide range of environmental conditions. Their durability and long service life make them an essential choice for industrial systems that require both performance and reliability over extended periods. Overall, butt weld stub ends are highly valued in the design and maintenance of sophisticated piping systems, offering a balance of strength, flexibility, and ease of maintenance that is crucial for maintaining the operational efficiency and safety of complex industrial processes.

Dimensions of Concentric Reducer

Standard Specification of Concentric Reducer

Standard Specifications
Dimensions
ANSI ASTM A403 / ASME SA403, ANSI B16.9, ASME B16.25, ASME B16.28, MSS SP-43.
Size
1/2" (15 NB) to 48" (1200NB)
Type
Seamless / ERW / Welded / Fabricated
DIN
DIN2605, DIN2615, DIN2616, DIN2617, DIN28011
EN
EN10253-1, EN10253-2
Schedule
SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Form
Elbow, 45 Deg Elbow, Long Radius Elbow, Short Radius Elbow, LR Elbow, SR Elbow.

Material & Grades of Concentric Reducer

Material & Grades
Stainless Steel
ASTM A403 WP316/316L, ASTM A403 WP304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
Duplex & Super Duplex Steel
ASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Werkstoff No. 1.4462
Carbon Steel
ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Low Temperature Carbon Steel
ASTM A420 WPL3, A420 WPL6
Alloy Steel
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
Nickel Alloy
ASTM B336, ASME SB336, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Cupro-Nickel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe.

Teshi Group Is A Leading Suppliers Of Concentric Reducer In India

We supply Concentric Reducer  to Agra, Ahmedabad, Ajmer, Aligarh, Allahabad, Ambattur, Amravati, Amritsar, Asansol, Aurangabad, Bangalore, Bareilly, Belgaum, Bhavnagar, Bhilai Nagar, Bhiwandi, Bhopal, Bhubaneswar, Bikaner, Chandigarh, Chennai, Coimbatore, Cuttack, Dehradun, Delhi, Dhanbad, Durgapur, Faridabad, Firozabad, Gaya, Ghaziabad, Gorakhpur, Gulbarga, Guntur, Gurgaon, Guwahati, Gwalior, Haora, Hubli and Dharwad, Hyderabad, Indore, Jabalpur, Jaipur, Jalandhar, Jalgaon, Jammu, Jamnagar, Jamshedpur, Jhansi, Jodhpur, Kalyan & Dombivali, Kanpur, Karnataka, Kochi, Kolapur, Kolkata, Kota,  Loni, Lucknow,  Ludhiana, Madurai, Maheshtala, Malegoan, Mangalore, Meerut, Mira, Bhayander, Moradabad, Mumbai, Nagpur,Nanded Waghala, Nashik, Navi Mumbai, Nellore, Noida, Patna, Pimpri & Chinchwad, Pune, Raipur, Rajkot, Ranchi, Saharanpur, Salem, Sangli Miraj Kupwad, Siliguri, Solapur, Srinagar, Surat, Thane, Thiruvananthapuram, Tiruchirappalli, Tirunelveli, Udaipur, Ujjain, Ulhasnagar, Vadodara, Varanasi, Vasai Virar, Vijayawada, Visakhapatnam, Warangal.

Concentric Reducer Exporter to all major cities in the world

We export Concentric Reducer to Seoul, Hanoi, Los Angeles, Rio de, Houston, York, Dammam, Al-Khobar, Bogota, Al-Jubail, Chiyoda, Abu Dhabi, Kuwait Santiago, Perth, Busan, London, Jakarta, Surat, Courbevoie, Dallas, Calgary, Mexico Muscat, Aberdeen, City, Edmonton, Riyadh, Caracas, Ahvaz, Brisbane, Moscow, Milan, Manama, Ulsan, Jaya, Granada, Vung Petaling, Melbourne, Montreal, Port-of-Spain, La Victoria, Istanbul, Janeiro, Karachi, New Singapore, Madrid, Lagos, Atyrau, Sydney, Kuala Dubai, City, Bangkok, Toronto, Gimhae-si, Lumpur, Jeddah, Pimpri-Chinchwad, Tehran, Doha, Ho-Chi-Minh-City, Algiers, Tau, Colombo, Ernakulam, Geoje-si, Cairo, Sharjah, Lahore.

Teshi exports Concentric Reducer in more than 50 countries. We have shipments going out monthly to different countries for our newly acquired customers. Our ready stock of Flanges helps us ship the Flange and meet the requirement and demands of our customers as fast as possible.

We Export Concentric Reducer to United States (USA), Canada, Germany, Japan, France, Middle-East, Bangladesh, Nepal etc.

Product
Export

Frequently Asked Questions

Most frequent questions and answers

What Is a Concentric Reducer?

A Concentric Reducer is a pipe fitting used to connect two pipes with different diameters. Its design has both the inlet and outlet centered along the same axis, which gradually reduces the flow area.

What Are the Key Applications of Concentric Reducers?

Concentric Reducers are commonly used in piping systems for flow control, pressure maintenance, and size transition in industries like oil & gas, chemical processing, power generation, and water treatment.

How Does a Concentric Reducer Differ from an Eccentric Reducer?

Unlike eccentric reducers, which have an offset alignment for drainage or flat-bottom requirements, concentric reducers have a symmetric, cone-shaped design with both ends aligned, best suited for vertical pipe systems.

What Materials Are Commonly Used for Concentric Reducers?

Concentric Reducers are made from materials like carbon steel, stainless steel, alloy steel, and PVC, with material choice depending on factors like temperature, pressure, and the corrosiveness of the fluid.

What Industries Use Concentric Reducers the Most?

They are widely used in petrochemical, pharmaceutical, food & beverage, marine, HVAC, and power generation industries to manage flow and pressure changes effectively.

What Is the Purpose of Using a Concentric Reducer in a Pipeline?

A Concentric Reducer is used to connect different pipe sizes smoothly, preventing flow turbulence and maintaining consistent fluid dynamics, which is critical in systems requiring minimal pressure drop.

What Standards Govern Concentric Reducers?

Standards like ASME B16.9, ASTM, and DIN regulate the design, dimensions, and pressure ratings for Concentric Reducers, ensuring compatibility and safety in piping systems.

How Do You Install a Concentric Reducer?

Concentric Reducers are welded or clamped into the pipeline. Proper alignment along the center axis is crucial to prevent misalignment issues, which can affect flow dynamics.

What Are the Benefits of Using Concentric Reducers?

They allow for smooth flow transitions, reduced pressure drop, space efficiency, and uniform stress distribution in pipes. They are essential for applications where fluid flow needs to remain consistent.

Are Concentric Reducers Suitable for Vertical or Horizontal Installations?

Concentric Reducers work best in vertical piping systems due to their symmetrical design. In horizontal setups, eccentric reducers may be preferred to avoid pooling in certain cases.

Can Concentric Reducers Handle High Pressure?

Yes, Concentric Reducers designed with high-strength materials and manufactured according to industry standards can withstand high pressures, often seen in industrial settings.

What Is the Difference Between Welded and Seamless Concentric Reducers?

Seamless reducers have no welded seams, offering better durability and performance in high-pressure settings. Welded reducers are typically more cost-effective but may be less robust under extreme pressures.

Are Custom Sizes Available for Concentric Reducers?

Yes, many manufacturers offer custom-sized concentric reducers to fit specific system requirements, especially for unique or non-standard piping layouts.

What Is the Role of a Concentric Reducer in Flow Control?

By smoothly transitioning pipe diameters, a concentric reducer helps regulate flow rate and pressure, minimizing turbulence and preventing system shock.

What Are the Common Sizes for Concentric Reducers?

Concentric reducers come in a wide range of sizes, from ½ inch to over 48 inches in diameter, suitable for various industrial applications.

How Do You Maintain a Concentric Reducer?

Maintenance involves regular inspections for corrosion, wear, or leaks, especially in high-stress environments, and replacing if there are any signs of structural weakness.

Why Are Concentric Reducers Preferred in Pump Suction Lines?

They provide a centered flow path that ensures balanced suction in pump intake lines, reducing the risk of cavitation, which can damage the pump.

What Are the Typical Pressure Ratings for Concentric Reducers?

Pressure ratings vary depending on material and design but typically range from Class 150 to Class 2500 to handle various industrial pressure levels.

Can Concentric Reducers Be Used for Slurry or Solid-Fluid Mixtures?

Yes, but material choice is critical to withstand abrasion. High-strength alloys or corrosion-resistant coatings may be needed for slurry or abrasive fluid handling.

How Do Concentric Reducers Impact Pipe Flow Efficiency?

They provide a smooth transition between pipe sizes, minimizing turbulence and improving flow efficiency, which is important in systems that require steady, laminar flow.

Are Concentric Reducers Subject to Industry Inspections?

Yes, they undergo inspections such as pressure testing, ultrasonic testing, and dimensional verification to ensure compliance with quality standards and safety requirements.

How Does Temperature Affect Concentric Reducers?

Temperature influences material choice, as high temperatures require materials with thermal stability, while cryogenic conditions require materials like stainless steel or specialized alloys.

What Is the Manufacturing Process for Concentric Reducers?

Forging, forming, and machining processes create reducers with precise dimensions. Seamless reducers are often manufactured from a single piece of material, while welded ones are formed from sheet metal.

What Is a Concentric Reducer’s Role in Managing Pressure Drops?

Concentric Reducers help manage pressure drops by reducing pipe diameter smoothly, minimizing turbulence and maintaining consistent flow, crucial in pressure-sensitive applications.

Are Concentric Reducers Compatible with All Pipe Materials?

They are available in materials compatible with various piping materials, including stainless steel, carbon steel, alloys, and plastic, allowing use across different system requirements.

How Do You Choose Between Carbon Steel and Stainless Steel for Concentric Reducers?

The choice depends on the application requirements. Carbon steel is cost-effective and suitable for high-temperature systems, while stainless steel offers superior corrosion resistance, ideal for corrosive or sanitary environments.

How Are Concentric Reducers Rated for Corrosive Environments?

For corrosive environments, concentric reducers are often made from corrosion-resistant materials such as stainless steel, nickel alloys, or coated carbon steel to prevent degradation over time.

What Is the Purpose of Tapered Design in Concentric Reducers?

The tapered shape of concentric reducers ensures a gradual reduction in pipe diameter, helping to prevent flow disruptions and reduce the chance of pressure surges.

Can Concentric Reducers Be Used in Vacuum Systems?

Yes, concentric reducers are used in vacuum systems to manage pressure and flow without causing turbulence. They are designed to withstand both positive and negative pressures.

How Are Concentric Reducers Tested for Quality?

They undergo rigorous tests like hydrostatic pressure testing, non-destructive examination (NDE), and dimensional checks to ensure they meet industry standards and perform safely under stress.

What Is the Maximum Pressure Concentric Reducers Can Handle?

The maximum pressure depends on material, wall thickness, and design. Heavy-duty concentric reducers in high-strength materials can handle pressures up to Class 2500 or more.

How Do You Prevent Leaks in Concentric Reducer Installations?

Proper installation, use of quality welds or fittings, and regular inspections can prevent leaks. Ensuring that the reducer and connecting pipes are correctly aligned is also crucial.

What Is the Impact of Flow Velocity on Concentric Reducers?

Flow velocity affects wear and tear on reducers. In high-velocity systems, selecting reducers with higher wear resistance or abrasion-resistant coatings can improve lifespan.

Can Concentric Reducers Be Used with Gases?

Yes, concentric reducers can be used with gases, provided they are rated for the pressure and chemical properties of the gas in the pipeline.

What Are Concentric Reducers with Rubber Linings Used For?

Rubber-lined concentric reducers are used for highly abrasive or corrosive fluids. The rubber lining adds a layer of protection, extending the life of the reducer in challenging conditions.

Do Concentric Reducers Have Flow Restrictions?

Properly selected concentric reducers do not typically restrict flow but rather facilitate a gradual transition between different pipe sizes, maintaining flow continuity.

Can Concentric Reducers Be Used in Hazardous Locations?

Yes, they are used in hazardous locations like chemical plants, refineries, and oil platforms, as long as they meet safety standards and are made from suitable materials for the environment.

What Coatings Are Available for Concentric Reducers?

Coatings like epoxy, galvanization, or polytetrafluoroethylene (PTFE) can be applied to concentric reducers for enhanced corrosion resistance or specific chemical compatibility.

How Are Concentric Reducers Used in HVAC Systems?

In HVAC systems, concentric reducers manage airflow between ducts of different sizes, helping balance pressure and flow distribution across the system.

What Are High-Strength Concentric Reducers?

High-strength reducers are made from premium alloys or specially treated materials designed to handle extreme pressures, temperatures, and heavy-duty applications.

How Are Concentric Reducers Marked for Identification?

They typically have markings indicating size, material grade, pressure rating, and manufacturer for easy identification and quality assurance.

How Does Temperature Affect Concentric Reducers in Cryogenic Systems?

In cryogenic applications, concentric reducers must be made from materials that retain strength and resist brittleness at very low temperatures, such as stainless steel or specialized alloys.

What Is the Weight Difference Between Concentric and Eccentric Reducers?

The weight varies based on the wall thickness and material, but in general, concentric reducers and eccentric reducers of the same specifications have similar weights due to similar material volume.

What Are ANSI and ASME Standards for Concentric Reducers?

ANSI and ASME standards such as ASME B16.9 specify dimensions, tolerances, and testing requirements, ensuring compatibility and performance in industrial applications.

Can Concentric Reducers Be Recycled?

Yes, concentric reducers made from metals like stainless steel and carbon steel are recyclable, contributing to sustainable practices in the manufacturing industry.

Are There Size Limitations for Manufacturing Concentric Reducers?

Manufacturers can typically produce custom-sized reducers, though extremely large diameters may require specialized equipment and fabrication processes.

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