Ronwen Flanges, a well-respected manufacturer and supplier based in Cape Town, South Africa, specializes in top-notch Monel Long Weld Neck Flanges that are perfect for high-performance industrial applications. These flanges are built to withstand tough conditions, offering remarkable strength and resistance to corrosion, making them a go-to choice for industries like marine, chemical, and oil and gas. Crafted with precision and adhering to strict quality standards, Monel Long Weld Neck Flanges guarantee dependable, leak-proof connections in piping systems that face high pressure, temperature changes, and corrosive substances, ensuring long-lasting performance and safety in operations.
Made from a nickel-copper alloy that consists of about 63% nickel, 28–34% copper, along with small amounts of iron, manganese, carbon, and silicon, these flanges boast excellent corrosion resistance in both oxidizing and reducing environments, such as seawater and various chemical solutions. They are known for their high tensile and yield strength, good ductility, and mechanical stability even under extreme conditions. The long neck design is particularly beneficial as it minimizes stress concentration at the flange-to-pipe junction, enhancing the durability and lifespan of the entire piping system.
| Specification | ASTM B564 / ASME SB564 |
|---|---|
| Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production Technique | Forged, Heat treated and machined |
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (F), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, 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 |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange B.S: BS4504 , BS3293, BS1560, BS10 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 American standard (ANSI) German (DIN) British standard (BS) DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ASTM B564 K500 Monel Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Monel 400, K500 |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Ronwen Flanges, a premier supplier in Cape Town, South Africa, specializes in high-quality Monel Long Weld Neck Flanges, valued for their exceptional durability, corrosion resistance, precise engineering, and suitability across diverse industrial applications.
Monel long neck weld flanges find extensive application in high-strength and corrosion-resistant applications. Common uses are chemical processing, marine engineering, and oil and gas processing, particularly in pipelines, heat exchangers, reactors, and pressurized vessels where high temperature and high-pressure conditions exist in environments where seawater, acid, or other corrosive substances are deposited upon. Their high resistance to pitting, crevice corrosion and stress corrosion cracking makes them perfect for use on offshore platforms, desalination plants and refinery systems.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
| Monel K500 | 2.4375 | N05500 | – | – | – | – | – |
| ASME/ANSI B 16.5 | Long Weld Neck Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Long Weld Neck Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Long Weld Neck Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Hubbed Slip-On |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Hubbed Slip-On Hubbed Threaded |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Plate Slip-On Flange, Slip-On Boss Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
Yes, we offer custom sizes for Monel Long Weld Neck Flanges to meet specific project needs. Our team at Ronwen Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@ronwenflanges.co.za.
Monel Long Weld Neck Flanges find their application in a variety of settings, including chemical processing plants, marine engineering projects, oil and gas pipelines, desalination plants, and heat exchanger systems. Offered in a range of sizes and standards, these flanges ensure secure and reliable connections that can handle high pressure, temperature, and corrosive environments. Their impressive strength, corrosion resistance, and thoughtful design make them a top choice for demanding industrial and marine applications.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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