In Jakarta, Indonesia, Ismail Flanges is a leading producer and supplier of Monel Weld Neck Flanges. Superior strength, corrosion resistance, and durability in harsh environments are provided by these high-performance flanges, which are designed from premium Monel alloys (usually Monel 400 or Monel K500). Our weld neck flanges are perfect for high-pressure, high-temperature pipelines because of their long tapered hub design, which offers superior stress distribution. Ismail Flanges’ Monel flanges are widely used in the chemical, oil and gas, and marine industries. They are precisely machined to ASME/ANSI standards, guaranteeing a tight seal, dependable fit, and long-term service in corrosive media.
The most widely used nickel-copper alloy, Monel 400, has a composition of roughly 63% nickel and 30–34% copper, with trace amounts of silicon, iron, and manganese. It offers outstanding ductility, high yield strength (~170–275 MPa), and high tensile strength (~480–620 MPa). Monel K500 is stronger because it contains titanium and aluminium for precipitation hardening. Both grades provide outstanding resistance to seawater, acids, and alkalis while maintaining their toughness over a broad temperature range. Because of these characteristics, Monel flanges can be used in harsh chemical and marine environments where corrosion resistance and mechanical dependability are essential.
| 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, MAlloy S44, ISO70051, JIS400220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 400 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 (FF), 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, MAlloy SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MAlloy SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MAlloy 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 Monel K500 Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS 400220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Monel 400, K500 |
Ismail Flanges, a leading supplier in Indonesia, Jakarta, offers an extensive selection of Monel 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.
Monel Weld Neck Flanges are widely used in nuclear reactors, chemical processing equipment, desalination plants, offshore oil rigs, and marine pipelines. They are perfect for harsh chemical and marine environments because they are resistant to alkalis, saltwater, hydrochloric acid, and hydrofluoric acid. High-integrity piping systems, pumps, valves, heat exchangers, and pressure vessels are examples of common applications. The flanges are particularly useful in situations where resistance to pitting corrosion and high-pressure sealing are essential. Industries that value long service life, durability, and leak prevention favour Monel weld neck flanges because of their strong design and metallurgical stability.
| 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 | – | – | – | – | – |
Yes, we offer custom sizes for Monel Weldneck Flanges to meet specific project needs. Our team at Ismail Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@ismailflanges.id.
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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