Zain Fittings is a leading manufacturer and supplier of high-quality fittings in Jakarta, Indonesia. Specializing in providing a diverse range of industrial solutions, we are renowned for our exceptional products and reliable service. Among our offerings, the Lap Joint Stub Ends are designed for superior performance and durability, which is ideal for various piping applications. With a commitment to precision, quality, and customer satisfaction, we stand as a trusted name in the fittings industry.
Lap Joint Stub Ends are available in various materials to meet the needs of different industries. Common materials include stainless steel (e.g., 304, 316, 904L), carbon steel (e.g., ASTM A105, A234), alloy steel (e.g., ASTM A182, A335), duplex steel (e.g., S31803, S32205), super duplex steel (e.g., S32750, S32760), Monel (e.g., Monel 400), Hastelloy (e.g., C276, C22), and Inconel (e.g., 625, 718). The mechanical properties of these materials include high tensile strength (ranging from 40,000 to 100,000 psi), excellent corrosion resistance, good ductility, and high weldability. Lap Joint Stub Ends are designed for high-pressure applications and offer reliable, leak-free connections, making them ideal for oil and gas, chemical processing, and power generation industries.
| 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 | |
Zain Fittings is a well-respected manufacturer and supplier of **Lap Joint Stub Ends**, proudly based in Jakarta, Indonesia. They specialize in top-notch piping components, offering a comprehensive range of stub ends designed specifically for use with lap joint flanges in systems that need to be disassembled and maintained frequently. These fittings are crafted in line with international standards like ASME B16.9 and MSS-SP-43, making them a go-to choice across various industries, including oil and gas, petrochemicals, pharmaceuticals, food processing, and water treatment. With a keen emphasis on precision, corrosion resistance, and long-lasting reliability, Zain Fittings caters to clients both locally and globally.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Their lap joint stub ends come in both short pattern (Type B) and long pattern (Type A), and are made from materials such as stainless steel, carbon steel, duplex, and nickel alloys. These fittings are designed to work seamlessly with backing flanges, making them perfect for systems that require regular inspection, cleaning, or reconfiguration. By using stub ends, you can reduce the overall weight of the flange and save costs when working with high-alloy piping, as the backing flange can be crafted from a more affordable material. Zain Fittings guarantees that all stub ends are meticulously formed, beveled, and tested to meet stringent industrial standards.
Lap joint stub ends are ideal for piping systems that need easy alignment, quick assembly, or regular maintenance access. They are commonly used in high-corrosion environments, sanitary systems, and pressure vessels where welding is restricted or where components need to be taken apart often. These fittings are particularly suited for modular piping setups, providing flexibility and cutting down installation time. Zain Fittings is dedicated to quality manufacturing and ensuring customer satisfaction.
| 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 Zain Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@zainfittings.id.
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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