Butt Weld Nipple

Teshi Fittings’ Butt Weld Nipples, designed with meticulous engineering to cater to a diverse array of industries, from Petroleum and Chemical to Hydraulic and Food sectors. Crafted with precision and adhering to stringent international standards, our Butt Weld Nipples guarantee reliable sealing and effortless integration into piping systems. At Teshi Fittings, we are dedicated to excellence and ensuring customer satisfaction by delivering unparalleled performance and durability in every fitting. Trust in our expertise and experience to experience the superior difference with Teshi Fittings’ Butt Weld Nipples for all your piping needs.

Standard Specification of Butt Weld Nipple

DimensionsANSI/ASME :ASTM A403 / ASME SA403, ANSI B16.9, ASME B16.25, ASME B16.28, MSS SP-43.
Size1/8″ to 8″, (DN8 TO DN200)
TypeSeamless / ERW / Welded / Fabricated
DINDIN2605, DIN2615, DIN2616, DIN2617, DIN28011
ENEN10253-1, EN10253-2
ScheduleSCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
FormConcentric Swage Nipple, Eccentric Swage Nipple

Material & Grades of Butt Weld Nipple

Stainless Steel Buttweld NippleASTM A403 WP Gr. 304, 304L, 304H, 310, 316, 316L, 316H, 316Ti, 317L, 321, 347, 904L
Carbon Steel Buttweld NippleASTM A234 WPB, WPBW, WPHY 70, WPHY 65, WPHY 60, WPHY 52, WPHY 46, & WPHY 42.
Low Temperature Buttweld NippleASTM A420 WPL6, ASTM A420 WPL3
Alloy Steel Buttweld NippleASTM / ASME A/SA 234 Gr. WP1, WP5, WP9, WP11, WP12, WP22, WP91
Duplex & Super Duplex Steel Buttweld NippleASTM A815, ASME SA815 UNS NO S31803, UNS NO S32205, UNS S32750, UNS S32950. Werkstoff No. 1.4462
Nickel Alloy Buttweld NippleUNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200)

Dimension of Butt Weld Nipple

SIZE1/8″2-1/2″3″4″1/4″3/8″1/2″3/4″1″1-1/4″1-1/2″2″
S1.73.64.04.52.02.02.52.53.23.23.23.6
L40.0100.0120.0120.040.040.060.060.060.080.080.0100.0

Manufacturing process and features of Butt Weld Nipple

Butt weld nipple fittings are crucial components in piping systems, facilitating the connection between two pipes or tubes. Here’s a detailed look at their manufacturing process and features:

Manufacturing Process:

  • Material Selection: The process begins with selecting suitable materials, typically metals like stainless steel, carbon steel, or alloys based on the application’s requirements.
  • Cutting and Shaping: Raw materials are cut into appropriate lengths using methods like sawing or machining. These cut pieces are then shaped into the desired form, often cylindrical with beveled ends, through processes such as forging, machining, or extrusion.
  • Beveling: Beveling is essential for butt weld fittings. The ends of the fittings are machined or ground to have a specific angle, usually around 37.5 degrees, to ensure proper fit-up and weld penetration during installation.
  • Welding: The beveled ends of the fittings are welded to the pipes they connect. Welding techniques like gas tungsten arc welding (GTAW) or gas metal arc welding (GMAW) are employed to create a strong, permanent joint between the fitting and the pipes.
  • Heat Treatment (Optional): Depending on the material and application requirements, the butt weld nipple fittings may undergo heat treatment processes like annealing or stress relieving to improve their mechanical properties and relieve residual stresses.
  • Finishing: After welding, the fittings may undergo finishing processes such as grinding or polishing to ensure smooth surfaces and remove any surface imperfections.

Features of Butt Weld Nipple :

  • Butt Weld Ends: Butt weld nipple fittings feature ends designed for butt welding directly to the pipes or tubes they connect. This results in a robust, leak-proof connection without the need for additional fittings.
  • Strength and Durability: These fittings are known for their high strength and durability. Properly welded butt weld nipple fittings can withstand high pressures and temperatures commonly encountered in various industrial applications.
  • Corrosion Resistance: Butt weld nipple fittings made from materials like stainless steel offer excellent corrosion resistance, making them suitable for use in corrosive environments such as chemical processing plants or marine applications.
  • Versatility: Butt weld nipple fittings are versatile components suitable for a wide range of applications, including oil and gas, petrochemical, water treatment, and HVAC systems.
  • Easy Installation: These fittings are relatively easy to install, requiring minimal additional components or fittings. This simplifies the installation process and reduces the risk of potential leak points.
  • Various Sizes and Configurations: Butt weld nipple fittings are available in various sizes, diameters, and configurations to suit different piping systems and application requirements.

Butt weld nipple fittings play a critical role in piping systems, offering a combination of strength, durability, and reliability for various industrial applications.

Application Of Butt Weld Nipple

Pipeline ConnectionsUsed to connect different sections of pipelines, ensuring a secure and leak-proof joint.
Process PipingEmployed in industrial facilities for transporting fluids or gases in applications like petrochemicals, pharmaceuticals, and food processing
HVAC SystemsUtilized in heating, ventilation, and air conditioning systems for connecting pipes in heating, cooling, and ventilation applications.
Plumbing SystemsEssential components in residential and commercial plumbing systems for water supply, drainage, and sewage systems.
Boiler and Pressure Vessel FabricationIntegral in the fabrication of boilers, pressure vessels, and heat exchangers for proper fluid circulation and heat transfer.
Instrumentation and ControlUsed to connect pipes carrying fluids or gases to sensors, valves, and other equipment in instrumentation and control systems.
Hydraulic SystemsEmployed for connecting pipes and tubing in hydraulic systems, ensuring efficient operation of hydraulic machinery and equipment.
Fire Protection SystemsIntegral in fire protection systems for connecting pipes carrying water or fire suppression agents to sprinkler heads, hydrants, and fire pumps.

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Frequently Asked Questions

A butt weld nipple is a short piece of pipe with butt weld ends used to connect two other fittings or pipe segments in a butt-welded piping system. It serves as an extension or connector, providing a secure, leak-proof joint and ensuring continuity in the pipeline.

Butt weld nipples are available in a wide range of sizes to match different pipe diameters and system requirements. Standard sizes typically range from 1/2 inch to 48 inches or larger, depending on the needs of the piping system.

Butt weld nipples are installed by welding them to the ends of the pipes or fittings to be connected. The process involves aligning the nipple with the pipe ends and performing a butt weld to join them securely. This creates a strong, leak-proof joint that can withstand high pressure and temperature.

Yes, we offer custom manufacturing solutions for butt weld nipples to meet specific requirements. Please contact us with your specifications, and we will work with you to create the nipples you need.

The lead time for butt weld nipples depends on the complexity and volume of the order. After reviewing your specifications, we will provide an estimated lead time. We strive to deliver all projects on schedule while maintaining the highest quality standards.

Butt weld nipples are made from various materials, including carbon steel, stainless steel, alloy steel, and other metals. The choice of material depends on the specific application’s requirements, such as the type of fluid, temperature, pressure, and environmental conditions.

Butt weld nipples are used in various industries, including oil and gas, petrochemical, power generation, water treatment, and construction. They are essential for extending pipe runs, connecting fittings, or joining two segments of pipe in high-pressure and high-temperature environments.

Butt weld nipples are manufactured to comply with various industry standards, such as ASME B16.9, MSS SP-43, and DIN standards. These standards specify the dimensions, tolerances, and material requirements for butt weld nipples to ensure compatibility and reliability in piping systems.

Butt weld nipples offer several advantages, including:

  • Secure and leak-proof connections
  • High strength and durability
  • Ability to withstand high pressure and temperature
  • Flexibility in extending pipe runs or connecting fittings
  • Compliance with industry standards for quality and reliability