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A Stub End Forged Fitting is a specialized pipe component used in conjunction with a lap joint flange to facilitate easy disassembly and maintenance of piping systems. It provides a reliable means of connecting pipes while allowing for rotational alignment of flanges, making it ideal for systems that require frequent inspection or replacement.
Manufactured using precision forging processes, stub ends exhibit excellent mechanical strength, corrosion resistance, and dimensional accuracy. Available in materials like carbon steel, stainless steel, and alloy steels, these fittings are widely used in oil & gas, chemical processing, petrochemical, and water treatment plants.
Offered in various sizes, pressure classes, and facing types, forged stub end fittings ensure a secure, leak-free joint when paired with lap joint flanges, making them an essential component in high-pressure, corrosive, or cyclic service environments.
| Specification | Details |
|---|---|
| Product | Stub End Forged Fittings |
| Size Range | 1/2" to 24" (DN15 to DN600) – Custom sizes available |
| Pressure Ratings | Class 150, 300, 600, 900, 1500, 2500 (As per ASME B16.11) |
| Type | Short Stub End, Long Stub End |
| Standards | ASME B16.9, ASME B16.11, ASTM A234, ASTM A403, MSS-SP-43, MSS-SP-75, ISO 9001 |
| Material Grades |
Carbon Steel: ASTM A105, A234 WPB Stainless Steel: 304, 304L, 316, 316L Alloy Steel: ASTM A182 F1, F11, F22 Duplex Steel: UNS S31803, S32205 Nickel Alloys: Inconel 600/625, Monel 400, Hastelloy C276 |
| Manufacturing Process | Forged, Heat Treated, Precision Machined |
| Ends | Butt Weld Ends (for use with lap joint flanges) |
| Surface Finish | Black Painted, Pickled, Sand Blasted, Polished, Anti-Rust Coated |
| Testing & Certification | Hydrostatic Test, NDT (UT, RT, MT), PMI, Hardness Test, TPI Inspection, Mill Test Certificates (EN 10204 3.1 / 3.2) |
| Applications | Oil & Gas, Petrochemical, Chemical Processing, Power Plants, Water Treatment, Food & Beverage, Marine Industries |
| Special Features | Easy Flange Alignment, Reusable Flange Connection, Reduced Welding Stress, Corrosion Resistance, Suitable for Corrosive and Cyclic Applications |
| Stub End Forged Fitting Design Features |
Forged Construction: Ensures high mechanical integrity and durability. Flange Compatibility: Designed for lap joint flanges, allowing easy alignment. Dimensional Accuracy: Precision machined for proper mating and leak-proof performance. Standard Compliance: Meets ASME B16.9, B16.11, MSS-SP-43, and ASTM specifications. Operational Flexibility: Ideal for systems requiring frequent disassembly and inspection. |
Our Stub End Forged Fittings are engineered for use with lap joint flanges in high-pressure and high-temperature systems, allowing for easy flange alignment and frequent disassembly. Designed for dimensional accuracy, corrosion resistance, and long-term reliability, these fittings are ideal for demanding industrial applications.
Stub ends are designed to be used with lap joint flanges for easy flange rotation and bolt alignment, reducing installation time.
Manufactured using advanced forging processes to deliver exceptional strength, pressure containment, and dimensional stability.
Meets international standards such as ASME B16.9, ASME B16.11, MSS-SP-43, and ASTM specifications for global compatibility.
Stub ends allow for quick pipe disconnection and reinstallation, making them ideal for systems requiring frequent inspection or cleaning.
Available in carbon steel, stainless steel, duplex steel, and nickel alloys to suit corrosive and high-stress environments.
Widely used in oil & gas, petrochemical, power generation, chemical plants, and water treatment industries.