Ronwen Flanges, located in Cape Town, South Africa, stands out as a top manufacturer and supplier of high-quality Duplex Steel Orifice Flanges. Renowned for their precision engineering and durability, the company adheres to international standards, ensuring that their flanges perform reliably even in the toughest industrial settings. Catering to industries like oil and gas, petrochemical, marine, and power generation, Ronwen Flanges guarantees exceptional corrosion resistance, mechanical strength, and long-lasting reliability. With a strong focus on quality and customer satisfaction, they provide advanced piping solutions that promote efficient operation, safety, and robust performance, making their Duplex Steel Orifice Flanges a go-to choice for critical industrial applications.
These flanges are crafted from a unique dual-phase microstructure of austenitic and ferritic stainless steel, typically featuring 22–25% chromium, 4–6% nickel, and 3–5% molybdenum, along with low levels of carbon and nitrogen. This specific composition offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, these flanges boast impressive tensile strength (620–880 MPa), yield strength (450–550 MPa), and outstanding ductility and toughness. The orifice design is perfect for precise flow measurement and control, making them ideal for high-pressure and corrosive environments.
Ronwen Flanges, a premier supplier in Cape Town, South Africa, specializes in high-quality Duplex Steel Orifice Flanges, valued for their exceptional durability, corrosion resistance, precise engineering, and suitability across diverse industrial applications.
| Specifications | ASTM A182 / ASME SA182 |
|---|---|
| Dimensions | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Flange Face Type | Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Duplex 2205 | 1.4462 | S31803/S32205 |
Duplex Steel Orifice Flanges are extensively utilized in industries that demand accurate flow measurement and exceptional corrosion resistance. They are particularly suited for oil and gas pipelines, chemical processing plants, marine systems, and power generation facilities. These flanges work in tandem with orifice plates to measure fluid flow, monitor system performance, and regulate pressure in pipelines. Thanks to their corrosion-resistant and high-strength characteristics, they can handle aggressive chemicals, seawater, and high-pressure fluids with ease. Duplex Steel Orifice Flanges ensure reliable, precise, and durable performance in critical industrial applications.
Yes, we offer custom sizes for Duplex Steel Orifice 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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