Machuca Fittings, located in Kuala Lumpur, Malaysia, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Lap Joint Stub Ends that meet the demands of global industrial piping. With a keen emphasis on durability, precision, and resistance to corrosion, the company guarantees that every product complies with rigorous international standards. Their Lap Joint Stub Ends are crafted for perfect compatibility with lap joint flanges, providing flexibility, easy alignment, and cost savings in piping systems. Machuca Fittings is dedicated to delivering dependable products that serve various industries, including oil and gas, petrochemicals, power generation, and marine engineering.
These Lap Joint Stub Ends are made from high-quality materials like stainless steel, carbon steel, alloy steel, and duplex steel, catering to a wide range of industrial needs. They boast impressive mechanical properties such as high tensile strength, impact resistance, and corrosion resistance, ensuring they hold up well in tough environments. Precision-engineered for dimensional accuracy, excellent weldability, and consistent performance, these stub ends are perfect for both high-pressure and high-temperature piping systems. Their robust construction and durability make them a go-to choice for versatile piping setups.
| Buttweld Lap Joint Stub Ends size | Welded Stub Ends : 1/2″ – 48″ |
|---|---|
| Buttweld Lap Joint Stub Ends Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Buttweld Lap Joint Stub Ends Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Buttweld Lap Joint Stub Ends Connection | Welding |
| Size Range | ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) Buttweld Stub Ends |
| ASME B16.9 Buttweld Lap Joint Stub Ends Manufacturing process | Push, Press, Forge, Cast, etc. |
| Buttweld Lap Joint Stub Ends Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| ANSI B16.9 Buttweld Lap Joint Stub Ends Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian |
| We provide Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Machuca Fittings is a leading supplier of Lap Joint Stub Ends in Kuala lumpur, Malaysia. We offer an extensive range of Lap Joint Stub Ends, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Lap Joint Stub Ends are commonly found in piping systems that require frequent disassembly and inspection. They’re particularly suited for industries like oil and gas, chemical processing, shipbuilding, water treatment, and power plants, where flexibility in alignment and cost efficiency are essential. When paired with lap joint flanges, these stub ends allow for straightforward installation, easy rotation for bolt alignment, and the ability to be reused, which helps lower overall maintenance costs. They are especially advantageous in systems featuring large or costly flanges, providing both operational ease and long-lasting reliability in critical industrial applications.
Lap Joint Stub Ends offer several advantages in piping systems. They provide a versatile, cost-effective solution for connections, especially in systems requiring frequent disassembly for maintenance. The design allows easy alignment and welding, ensuring a secure and leak-free joint. These stub ends are ideal for use with lap joint flanges, providing flexibility in installation and reducing the risk of flange misalignment. Additionally, their corrosion resistance and ability to withstand high-pressure applications make them a reliable choice for oil and gas, chemical, and power generation industries.
| Nominal Pipe Size
(NPS) |
Outside Diameter at Bevel | Long Pattern | Short Pattern | Radius of Fillet | Diameter of Lap | |
| Max | Min | F | F | R | G | |
| 1/2 | 22.8 | 20.5 | 76 | 51 | 3 | 35 |
| 3/4 | 28.1 | 25.9 | 76 | 51 | 3 | 43 |
| 1 | 35.0 | 32.6 | 102 | 51 | 3 | 51 |
| 1-1/4 | 43.6 | 41.4 | 102 | 51 | 5 | 64 |
| 1-1/2 | 49.9 | 47.5 | 102 | 51 | 6 | 73 |
| 2 | 62.4 | 59.5 | 152 | 64 | 8 | 92 |
| 2-1/2 | 75.3 | 72.2 | 152 | 64 | 8 | 105 |
| 3 | 91.3 | 88.1 | 152 | 64 | 10 | 127 |
| 3-1/2 | 104.0 | 100.8 | 152 | 76 | 10 | 140 |
| 4 | 116.7 | 113.5 | 152 | 76 | 11 | 157 |
| 5 | 144.3 | 140.5 | 203 | 76 | 11 | 186 |
| 6 | 171.3 | 167.5 | 203 | 89 | 13 | 216 |
| 8 | 222.1 | 218.3 | 203 | 102 | 13 | 270 |
| 10 | 277.2 | 272.3 | 254 | 127 | 13 | 324 |
| 12 | 328.0 | 323.1 | 254 | 152 | 13 | 381 |
| 14 | 359.5 | 354.8 | 305 | 152 | 13 | 413 |
| 16 | 411.0 | 405.6 | 305 | 152 | 13 | 470 |
| 18 | 462 | 456 | 305 | 152 | 13 | 533 |
| 20 | 514 | 507 | 305 | 152 | 13 | 584 |
| 22 | 565 | 558 | 305 | 152 | 13 | 641 |
| 24 | 616 | 609 | 305 | 152 | 13 | 692 |
Yes, custom sizes for Lap Joint Stub Ends are available at Machuca Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@machucafittings.com.
Lap Joint Stub Ends are commonly used in piping systems, especially in applications requiring easy disassembly for maintenance or cleaning. They are often employed in chemical processing, oil and gas, and power generation industries. Their design allows for a flanged connection easily aligned with another component. These stub ends are ideal for applications with frequent line maintenance or where connections must be adjusted without disturbing the entire system. Due to their durability, they are also used for both high-pressure and high-temperature applications.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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