ASME B16.5 Flanges are expertly crafted flanges that adhere to the standards set by the American Society of Mechanical Engineers (ASME) B16.5. They’re designed to ensure reliable, leak-proof connections in piping systems. You’ll find these flanges in a variety of industrial settings, such as oil and gas, petrochemical, power generation, and chemical processing, where safety and durability are paramount. With a wide selection of sizes, pressure classes, and materials available, ASME B16.5 Flanges are celebrated for their sturdy construction, precise dimensions, and ability to handle high pressure and temperature, making them a go-to choice for critical piping networks.
Typically, ASME B16.5 Flanges are made from top-notch materials like carbon steel, stainless steel, alloy steel, and duplex steel. Their chemical makeup often includes carbon, chromium, nickel, and molybdenum, which work together to boost strength, resist corrosion, and enhance durability. These flanges boast impressive mechanical properties, including high tensile and yield strength, toughness, and the ability to maintain their structural integrity even under elevated pressures and temperatures. They’re engineered to create secure, leak-proof connections that support long-term operation and ensure safety in demanding industrial environments, all while making installation and maintenance a breeze.
Quan Flanges, a leading supplier in Da Nang, Vietnam, offers an extensive selection of ASME B16.5 Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
| Size Range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
|---|---|
| DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Threaded / Forged / Plate /Screwed |
| Flange supporting material | Ring Joint, Gasket, Flange Bolts |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Most Common Types |
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| Production technique |
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| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Raised Face (RF),Large Male-Female (LMF), Flat Face (FF),Small Male-Female (SMF), Lap-Joint Face (LJF), Large Tongue & Groove, Small Tongue, Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| Nominal Size | Outside Diameter (OD) | Min. Thickness (T) | RF Dia. (R) | No. of Bolt Holes | Diameter of Holes | Bolt Circle (BC) | SO Bore ID (SB) | Dia. Hub Base (HB) | Dia. Hub Top (HT) | SO LTH (SL) | WN LTH (WL) | * WN Bore ID (WB) |
| 1⁄2 | 3.75 | 0.56 | 1.38 | 4 | 0.63 | 2.62 | 0.88 | 1.50 | 0.84 | 0.88 | 2.06 | * |
| 3⁄4 | 4.62 | 0.62 | 1.69 | 4 | 0.75 | 3.25 | 1.09 | 1.88 | 1.05 | 1.00 | 2.25 | * |
| 1 | 4.88 | 0.69 | 2.00 | 4 | 0.75 | 3.50 | 1.36 | 2.12 | 1.32 | 1.06 | 2.44 | * |
| 11⁄4 | 5.25 | 0.81 | 2.50 | 4 | 0.75 | 3.88 | 1.70 | 2.50 | 1.66 | 1.12 | 2.62 | * |
| 11⁄2 | 6.12 | 0.88 | 2.88 | 4 | 0.88 | 4.50 | 1.95 | 2.75 | 1.90 | 1.25 | 2.75 | * |
| 2 | 6.50 | 1.00 | 3.62 | 8 | 0.75 | 5.00 | 2.44 | 3.31 | 2.38 | 1.44 | 2.88 | * |
| 21⁄2 | 7.50 | 1.12 | 4.12 | 8 | 0.88 | 5.88 | 2.94 | 3.94 | 2.88 | 1.62 | 3.12 | * |
| 3 | 8.25 | 1.25 | 5.00 | 8 | 0.88 | 6.62 | 3.57 | 4.62 | 3.50 | 1.81 | 3.25 | * |
| 31⁄2 | 9.00 | 1.38 | 5.50 | 8 | 1.00 | 7.25 | 4.07 | 5.25 | 4.00 | 1.94 | 3.38 | * |
| 4 | 10.75 | 1.50 | 6.19 | 8 | 1.00 | 8.50 | 4.57 | 6.00 | 4.50 | 2.12 | 4.00 | * |
| 5 | 13.00 | 1.75 | 7.31 | 8 | 1.12 | 10.50 | 5.66 | 7.44 | 5.56 | 2.38 | 4.50 | * |
| 6 | 14.00 | 1.88 | 8.50 | 12 | 1.12 | 11.50 | 6.72 | 8.75 | 6.63 | 2.62 | 4.62 | * |
| 8 | 16.50 | 2.19 | 10.62 | 12 | 1.25 | 13.75 | 8.72 | 10.75 | 8.63 | 3.00 | 5.25 | * |
| 10 | 20.00 | 2.50 | 12.75 | 16 | 1.38 | 17.00 | 10.88 | 13.50 | 10.75 | 3.38 | 6.00 | * |
| 12 | 22.00 | 2.62 | 15.00 | 20 | 1.38 | 19.25 | 12.88 | 15.75 | 12.75 | 3.62 | 6.12 | * |
| 14 | 23.75 | 2.75 | 16.25 | 20 | 1.50 | 20.75 | 14.14 | 17.00 | 14.00 | 3.69 | 6.50 | * |
| 16 | 27.00 | 3.00 | 18.50 | 20 | 1.63 | 23.75 | 16.16 | 19.50 | 16.00 | 4.19 | 7.00 | * |
| 18 | 29.25 | 3.25 | 21.00 | 20 | 1.75 | 25.75 | 18.18 | 21.50 | 18.00 | 4.62 | 7.25 | * |
| 20 | 32.00 | 3.50 | 23.00 | 24 | 1.75 | 28.50 | 20.20 | 24.00 | 20.00 | 5.00 | 7.50 | * |
| 22 | 34.25 | 3.75 | 25.25 | 24 | 1.88 | 30.63 | 22.22 | 26.25 | 22.00 | 5.25 | 7.75 | * |
| 24 | 37.00 | 4.00 | 27.25 | 24 | 2.00 | 33.00 | 24.25 | 28.25 | 24.00 | 5.50 | 8.00 | * |
You’ll see ASME B16.5 Flanges widely used across industries like oil and gas, petrochemical plants, chemical processing, power generation, and water treatment. They’re commonly found in pipelines, valves, pumps, and pressure vessels, providing dependable connections in high-pressure and high-temperature situations. These flanges make installation, inspection, and maintenance straightforward, all while ensuring operational safety and efficiency. Their versatility, durability, and adherence to international ASME standards make ASME B16.5 Flanges the perfect choice for industrial systems that demand long-lasting performance, leak-proof reliability, and consistent functionality in challenging applications.
Yes, we offer custom sizes for ASME B16.5 Flanges to meet specific project needs. Our team at Quan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@quanflanges.com.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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