Butt Weld Stub Ends Manufacturer
Best Butt Weld Fittings Manufacturer in India since 1971.
Table of Contents
Teshi Group : Leading Manufacturer, Stockist, Supplier, and Exporter of Butt Weld Stub Ends in India.
Teshi Group is a leading manufacturer, stockist, supplier, and exporter of high-quality Butt Weld Stub Ends in India, renowned for producing precision-engineered fittings that ensure superior performance and reliability across various industrial applications. Using advanced manufacturing technologies and strict quality control measures, Teshi Group ensures that each Butt Weld Stub End is crafted for maximum strength, durability, and corrosion resistance, making them ideal for high-pressure, high-temperature, and challenging environments. Available in a variety of materials such as stainless steel, carbon steel, and alloy steel, these fittings are widely used in industries including Oil & Gas, Petrochemical, Chemical, Power Generation, and more, where robust piping solutions are essential. Teshi Group’s Butt Weld Stub Ends are designed to meet international standards such as ASME, ANSI, and ASTM, ensuring they deliver dependable and secure connections for efficient flow systems. The company’s ISO 9001:2015 certification highlights its commitment to maintaining the highest quality standards, with every product subjected to rigorous testing for dimensional accuracy, strength, and overall performance. Teshi Group offers customizable solutions, allowing clients to specify exact dimensions and materials that match their unique operational requirements. With an established presence in both domestic and international markets, Teshi Group is trusted by clients worldwide for its consistent delivery of high-performance products. Teshi Group’s Butt Weld Stub Ends are a preferred choice for industries that demand high-quality, long-lasting fittings that ensure secure, efficient, and leak-proof connections, making them a reliable and trusted solution for complex piping systems in industrial settings.
About Butt Weld Stub Ends :-
Butt weld stub ends are crucial fittings in piping systems, serving as transition pieces that facilitate the connection of flanged or welded joints to the end of a pipe. Typically used in conjunction with a flange, the stub end allows for easy disassembly and maintenance while providing a robust, leak-proof connection. Manufactured from high-quality materials such as stainless steel, carbon steel, and various alloys, butt weld stub ends are designed to withstand extreme pressures, temperatures, and corrosive environments, making them ideal for demanding industries like oil and gas, petrochemical, power generation, chemical processing, and water treatment. The design of a stub end features a long, tapered section that is welded directly to the pipe, while the flanged end is used for bolting to another component, such as a flange, valve, or other pipe section. This combination of welding and bolting creates a strong, durable connection that eliminates the potential for leaks that may occur with threaded or socket weld joints. Additionally, the use of stub ends enables the easy replacement or modification of components in a piping system, as the flanged joint can be disassembled without disturbing the welded portion of the pipe. This flexibility is particularly beneficial in systems that require regular maintenance, modifications, or inspection.
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 Butt Weld Stub Ends
Standard Specification of Buttweld Stub Ends
Standard Specifications |
Dimensions
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ANSI ASTM A403 / ASME SA403, ANSI B16.9, ASME B16.25, ASME B16.28, MSS SP-43.
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Size
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1/2" (15 NB) to 48" (1200NB)
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Type
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Seamless / ERW / Welded / Fabricated
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DIN
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DIN2605, DIN2615, DIN2616, DIN2617, DIN28011
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EN
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EN10253-1, EN10253-2
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Schedule
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SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
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Form
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Long Stub Ends, Pipe Stub Ends, Butt weld Long Stub Ends.
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Material & Grades of Buttweld Stub Ends
Material & Grades |
Stainless Steel
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ASTM A403 WP316/316L, ASTM A403 SA / A 774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
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Duplex & Super Duplex Steel
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ASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Werkstoff No. 1.4462
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Carbon Steel
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ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
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Low Temperature Carbon Steel
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ASTM A420 WPL3, A420 WPL6
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Alloy Steel
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ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
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Nickel Alloy
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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.
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Application Of Buttweld Stub Ends
Application |
1
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Stainless Steel Buttweld Equal Tee uses in Oil and Gas Pipeline
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2
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Butt weld Equal Tees uses in Chemical Industry
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3
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Alloy Steel Equal Tee uses in Plumbing
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4
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Buttweld Pipe Tee uses in Heating
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5
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Buttweld Equal Tee Fittings uses in Water Supply Systems
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6
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ANSI B16.9 Buttweld Equal Tee uses in Power Plant
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7
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Buttweld Equal Tee Fitting uses in Paper & Pulp Industry
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8
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Equal Tee uses in General Purpose Applications
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9
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Buttweld Tees uses in Fabrication Industry
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10
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Equal Tee uses in Food Processing Industry
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11
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Buttweld Equal Tee uses in Structural Pipe
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Teshi Group Is A Leading Suppliers Of Buttweld Stub Ends In India
We supply Buttweld Stub Ends 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.
Buttweld Stub Ends Exporter to all major cities in the world
We export Buttweld Stub Ends 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 Buttweld Stub Ends 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 Butt Weld Stub Ends to United States (USA), Canada, Germany, Japan, France, Middle-East, Bangladesh, Nepal etc.
Product
Export
Frequently Asked Questions
Most frequent questions and answers
What Are Butt Weld Stub Ends?
Butt Weld Stub Ends are a type of pipe fitting used to create lap joints with flanges. They consist of a short length of pipe with a welded edge that enables it to connect to other fittings or pipes, typically alongside a lap joint flange.
What Are the Primary Types of Stub Ends?
The two main types of Stub Ends are:
- Type A: Used with standard lap joint flanges and designed with a machined face to fit against the flange.
- Type B: Designed for slip-on flanges and typically used for lighter applications.
What Materials Are Butt Weld Stub Ends Made From?
Common materials include stainless steel, carbon steel, alloy steel, and nickel alloys. The choice of material depends on the specific requirements of the application, such as corrosion resistance or temperature tolerance.
What Are the Common Applications for Butt Weld Stub Ends?
Stub Ends are used in piping systems that require frequent disassembly, inspection, or cleaning, especially in industries such as food and beverage, pharmaceutical, chemical processing, and petrochemical.
Why Are Butt Weld Stub Ends Paired with Lap Joint Flanges?
Pairing Stub Ends with lap joint flanges allows for easy alignment and orientation adjustments in the pipeline, which is useful in systems that require frequent reconfiguration or maintenance.
What Standards Do Butt Weld Stub Ends Follow?
Stub Ends typically adhere to ASME B16.9 or MSS-SP-43 standards, which ensure they meet the required specifications for dimensions, material, and pressure ratings.
What Is the Difference Between a Long and Short Stub End?
- Long Stub Ends: Used in high-pressure and high-temperature applications; they have a longer length from the flange face to the pipe.
- Short Stub Ends: Suitable for low-pressure systems and often used in applications that don’t require heavy-duty performance.
What Advantages Do Butt Weld Stub Ends Offer?
They offer cost savings by allowing the reuse of the flange while only replacing the stub end if needed. They also provide flexibility in aligning pipes and are ideal for applications needing frequent disassembly.
What Factors Affect the Choice of Stub End Type?
Factors include system pressure, temperature, material requirements, and the type of flange being used. Type A is commonly preferred in heavier-duty applications, while Type B is suited for lighter use.
How Do You Install a Butt Weld Stub End?
A Stub End is welded to the pipe end, and then a lap joint flange is slipped over it. The flange can be rotated freely, making it easier to align and connect with other pipeline components.
Are Butt Weld Stub Ends Suitable for High-Pressure Applications?
Yes, especially Type A Stub Ends when paired with heavy-duty flanges, they are suitable for high-pressure applications.
What Is the Difference Between Stub Ends and Other Welded Fittings?
Unlike other fittings, Stub Ends allow for a non-permanent lap joint with a flange, facilitating frequent disassembly and reassembly, making them unique in pipeline configurations.
Do Butt Weld Stub Ends Require Specialized Maintenance?
Generally, Stub Ends require little maintenance, though regular inspections for corrosion or wear are recommended, especially in high-pressure or corrosive environments.
Can Stub Ends Be Used in Sanitary Piping Systems?
Yes, Stub Ends made from sanitary-grade stainless steel are used in industries with stringent cleanliness requirements, like food processing and pharmaceuticals.
How Do Stub Ends Contribute to Reducing Piping System Costs?
They allow the reuse of flanges, reducing material costs over time. Only the stub end needs replacement if it wears out, which is more cost-effective than replacing both the pipe and flange.
Are There Any Limitations to Using Butt Weld Stub Ends?
Stub Ends are not ideal for systems that demand an airtight seal without any movement, as they are designed for easier disassembly rather than permanent joints.
What Welding Techniques Are Recommended for Stub Ends?
TIG or MIG welding are commonly used, with TIG being preferred for applications requiring precision, such as high-purity piping systems.
How Do You Select the Correct Schedule for a Butt Weld Stub End?
The pipe schedule should match the pipe it’s connecting to, ensuring consistency in wall thickness and pressure tolerance throughout the system.
Are Butt Weld Stub Ends Compatible with All Types of Flanges?
Stub Ends are compatible with lap joint flanges but may not work with other flange types, such as welded neck or slip-on flanges, unless specifically designed for those configurations.
What Quality Tests Are Performed on Butt Weld Stub Ends?
Common quality tests include hydrostatic testing, ultrasonic inspection, visual inspection, and dimensional accuracy tests to ensure they meet safety and performance standards.
Do Stub Ends Come in Different Wall Thicknesses?
Yes, Stub Ends are available in a range of wall thicknesses, typically matching standard pipe schedules like SCH 10, SCH 40, and SCH 80, allowing them to match the connected pipe.
How Do You Ensure a Leak-Proof Seal with Stub Ends?
Proper welding and fitting with a compatible lap joint flange, along with selecting materials that can withstand the operating conditions, help ensure a leak-proof seal.
Are Butt Weld Stub Ends Reusable?
Yes, Stub Ends are reusable in certain setups. The flange can be detached and reused, while the stub end may need to be replaced if it becomes damaged.
What Are Common Sizes for Butt Weld Stub Ends?
Stub Ends are available in a wide range of sizes, typically from 1/2 inch to 48 inches in diameter, covering both standard and custom requirements.
What Factors Affect the Durability of Butt Weld Stub Ends?
Material quality, welding technique, and environmental factors such as exposure to corrosive substances or extreme temperatures can all impact the durability of Stub Ends.
Can Stub Ends Be Used in High-Temperature Applications?
Yes, Stub Ends made from heat-resistant materials like stainless steel or alloys can withstand high temperatures, making them suitable for various industrial applications.
How Does a Stub End Allow for Pipe Alignment?
Since the lap joint flange can rotate around the stub end, Stub Ends provide flexibility in aligning pipes during assembly, making installation easier.
What Industries Commonly Use Butt Weld Stub Ends?
Industries include oil & gas, chemical processing, food and beverage, pharmaceuticals, power generation, and water treatment, all of which benefit from the flexibility and reusability of Stub Ends.
Are Stub Ends Suitable for Use with Corrosive Media?
Yes, provided they are made from corrosion-resistant materials like stainless steel or nickel alloys, Stub Ends can be used with corrosive media in chemical processing or similar environments.
What Are the Key Benefits of Using Stub Ends in Pipelines?
Stub Ends offer advantages in cost-effectiveness, ease of alignment, quick assembly, and system flexibility, especially in applications requiring regular disassembly.
What Are the Common Surface Finishes Available for Stub Ends?
Stub Ends typically come in finishes like machined, polished, or mill finish. A polished or machined surface is recommended for clean, sanitary applications, while a mill finish may suffice in standard applications.
How Does the Length of a Stub End Affect Its Performance?
The length of a stub end can impact ease of installation and alignment. Long-pattern stub ends (Type A) offer better support and alignment in high-pressure applications, whereas short-pattern stub ends are suitable for low-pressure systems.
What Pressure Ratings Are Available for Butt Weld Stub Ends?
Stub Ends come in various pressure ratings that match industry standards, such as Class 150, Class 300, and Class 600, allowing compatibility with standard flanges and piping systems.
How Do You Prevent Corrosion in Stub Ends Used in Chemical Processing?
Using corrosion-resistant materials like stainless steel, applying protective coatings, or selecting alloys designed for chemical resistance can prevent corrosion and extend the life of Stub Ends.
Can Stub Ends Be Used with Different Pipe Materials?
Yes, Stub Ends can be used with various materials. However, selecting the same or compatible material as the pipe is recommended to ensure uniform performance and avoid issues like galvanic corrosion.
Are Stub Ends Available with Custom Dimensions?
Yes, custom sizes and dimensions are often available based on specific project requirements, especially for non-standard applications in industries like power generation or biotechnology.
