Ronwen Flanges, a top-notch manufacturer and supplier located in Cape Town, South Africa, is all about crafting high-quality **Monel Spectacle Flanges** that are built to last and resist corrosion like a champ. These flanges are made from premium Monel alloy, ensuring they perform reliably even in the toughest, most corrosive environments. With a commitment to precise manufacturing standards, Ronwen Flanges delivers products that promise safety, accuracy, and a long lifespan. Their **Monel Spectacle Flanges** are a go-to choice in the **marine, chemical, oil and gas, and offshore industries**, where secure pipeline isolation and easy maintenance are crucial for smooth operations.
These **Monel Spectacle Flanges** are primarily made up of **nickel (around 63%) and copper (about 30%)**, with a dash of **iron, manganese, and silicon** thrown in for extra strength and toughness. They boast impressive **mechanical properties**, featuring a **tensile strength of about 550 MPa**, a **yield strength of 240 MPa**, and remarkable ductility. Plus, they offer outstanding corrosion resistance against seawater, acids, and alkalis, performing well in both high and low-temperature settings.
| 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, 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 (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 | Premonel 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 The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Monel 400, K500 |
Ronwen Flanges, a leading supplier in Cape Town, South Africa, offers an extensive selection of Monel Spectacle 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.
You’ll find **Monel Spectacle Flanges** being used for **pipeline isolation, maintenance, and inspection** in **chemical plants, refineries, offshore platforms, and marine systems**. The clever spectacle design—comprising a connected pair of a spacer and a blind flange—makes it easy to switch between open and closed positions, enhancing system safety and maintenance. Their ability to withstand harsh chemicals, saltwater, and pressure fluctuations makes them perfect for **oil and gas processing, desalination plants, and power generation units**, ensuring they deliver long-term reliability and operational efficiency even in demanding conditions.
| 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 Spectacle 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.
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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