DIN 2634 duplex steel flanges PN 25 are high-performance weld neck flanges manufactured in accordance with the DIN 2634 standard. Specifically designed for high-pressure applications up to 25 bar (362 psi), these flanges are made from premium duplex stainless steel grades, offering exceptional corrosion resistance, excellent mechanical strength, and superior resistance to stress corrosion cracking in harsh environments. Their robust construction makes them ideal for demanding industrial applications where reliability and durability are critical. Ladhani Metal Corporation is a trusted global manufacturer and supplier of duplex steel flanges, known for advanced manufacturing capabilities, precision machining, and strict adherence to international quality standards. Each flange undergoes thorough inspection and testing to ensure long-term reliability, safety, and resistance to extreme operating conditions. Pressure Rating: • PN 25 (25 bar / 362 psi): Designed for high-pressure systems requiring corrosion-resistant and mechanically robust flange connections. Flange Type: • Weld Neck Flanges Featuring an extended tapered hub, weld neck flanges provide excellent stress distribution at the base, ensuring strong and leak-proof joints in systems exposed to high pressure and thermal cycling. • Flat Face (FF) Flanges Ideal for use with softer gasket materials or in systems connecting to cast components, flat face flanges offer consistent and uniform gasket compression. Duplex Steel Grades and Typical Composition: Duplex Stainless Steel 2205 (UNS S32205 / S31803) • Chromium (Cr): 21 – 23% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.14 – 0.20% • Iron (Fe): Balance Applications: Preferred in environments with chloride exposure, such as seawater, chemical processing, and pulp and paper industries, due to excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Duplex Stainless Steel 2507 (UNS S32750) – Super Duplex • Chromium (Cr): 24 – 26% • Nickel (Ni): 6 – 8% • Molybdenum (Mo): 3.5 – 4.5% • Nitrogen (N): 0.24 – 0.32% • Iron (Fe): Balance Applications: Used in the most aggressive environments including offshore oil and gas, desalination plants, and chemical processing where enhanced corrosion resistance and high mechanical strength are critical. Applications of DIN 2634 Duplex Steel Flanges PN 25: • Offshore and Marine Systems Resists corrosion from seawater and aggressive chloride environments while maintaining strength under pressure. • Chemical and Petrochemical Processing Ideal for transporting corrosive chemicals such as acids, alkalis, and chlorides at elevated pressures. • Desalination Plants Performs exceptionally in saltwater treatment systems exposed to high pressure and corrosive media. • Oil and Gas Industry Used in pipelines and pressure vessels requiring resistance to chloride-induced stress corrosion cracking. • Pulp and Paper Industry Applied in aggressive bleaching and chemical processing environments. Key Features: • Manufactured in accordance with DIN 2634 dimensional and pressure requirements • PN 25 pressure rating supports high-pressure applications • Excellent corrosion resistance including pitting, crevice, and stress corrosion cracking resistance • Superior mechanical strength and toughness at elevated temperatures • Weld neck configuration ensures strong, vibration-resistant joints • Available in standard duplex and super duplex grades • Custom sizes, pressure classes, and surface finishes available upon request Conclusion: DIN 2634 duplex steel flanges PN 25 from Ladhani Metal Corporation are engineered for challenging environments where corrosion resistance, mechanical strength, and pressure integrity are critical. With superior durability and reliability, these duplex steel flanges are ideal for demanding applications in marine, chemical, oil and gas, and industrial systems. For technical consultations, specialized requirements, or pricing information, contact Ladhani Metal Corporation today.

DIN 2633 duplex steel flanges PN 16 are precision-manufactured weld neck flanges designed according to the DIN 2633 standard, ideal for medium-pressure piping systems operating up to 16 bar (232 psi). These flanges are crafted from duplex stainless steels that combine the benefits of austenitic and ferritic microstructures, offering excellent mechanical strength, superior resistance to stress corrosion cracking, and enhanced durability in aggressive chemical and chloride-containing environments. They are ideal for applications where both corrosion resistance and high strength are essential. Ladhani Metal Corporation is a leading global manufacturer and supplier of duplex steel flanges, recognized for high-quality production, dimensional accuracy, and strict compliance with international standards. All flanges undergo rigorous inspection and testing to ensure reliable performance in challenging industrial conditions. Pressure Rating: • PN 16 (16 bar / 232 psi): Suitable for medium-pressure pipelines requiring corrosion resistance and increased mechanical integrity. Flange Type: • Weld Neck Flanges These flanges feature a long tapered hub for improved flow characteristics and reduced mechanical stress at the weld area, ensuring stable and secure connections. • Flat Face (FF) Flanges Designed to provide a consistent sealing surface, especially effective when used with soft gaskets or when connecting to cast components. Duplex Steel Grades and Full Composition: Duplex 2205 (UNS S31803/S32205) • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.08 – 0.20% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Carbon (C): ≤ 0.03% • Phosphorus (P): ≤ 0.03% • Sulfur (S): ≤ 0.02% • Iron (Fe): Balance Applications: Widely used in desalination plants, chemical process vessels, marine environments, and pulp and paper industries due to high strength and resistance to localized corrosion. Super Duplex 2507 (UNS S32750) • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 6.0 – 8.0% • Molybdenum (Mo): 3.0 – 5.0% • Nitrogen (N): 0.24 – 0.32% • Manganese (Mn): ≤ 1.2% • Silicon (Si): ≤ 0.8% • Carbon (C): ≤ 0.03% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.02% • Iron (Fe): Balance Applications: Preferred in highly corrosive offshore, oil and gas, chemical, and high-chloride environments where superior strength and corrosion resistance are essential. Applications of DIN 2633 Duplex Steel Flanges PN 16: • Chemical and Petrochemical Plants Provides strong and corrosion-resistant connections for chemical reactors, storage tanks, and acid-handling systems. • Marine and Offshore Engineering Suitable for submerged systems, seawater cooling, and ballast water piping due to excellent resistance to chloride-induced corrosion. • Pulp and Paper Industry Performs reliably in bleaching and chemical recovery processes where both chemical resistance and strength are required. • Desalination and Water Treatment Ideal for high-salinity water systems and reverse osmosis pipelines requiring durable, corrosion-resistant components. • Oil and Gas Refineries Used in pipelines, pressure vessels, and heat exchangers subjected to sour gas and high-pressure operating environments. Key Features: • Manufactured to DIN 2633 standard • PN 16 pressure class for medium-pressure service • Weld neck configuration supports vibration resistance and proper alignment • Available in Duplex 2205 and Super Duplex 2507 grades • High resistance to stress corrosion cracking, pitting, and crevice corrosion • Excellent mechanical strength and fatigue resistance • Custom sizes, finishes, and specifications available upon request Conclusion: DIN 2633 duplex steel flanges PN 16 from Ladhani Metal Corporation offer an optimal combination of strength, corrosion resistance, and reliability for use in harsh industrial conditions. With high-performance duplex and super duplex materials, these flanges are the preferred choice for applications in chemical processing, offshore platforms, and desalination plants. For detailed technical support, customized configurations, or pricing, contact Ladhani Metal Corporation today.

DIN 2632 duplex steel flanges PN 10 are robust weld neck flanges manufactured in accordance with the DIN 2632 standard, designed for medium-pressure applications up to 10 bar (145 psi). These flanges are made from duplex stainless steel, a material that combines the high strength of ferritic steel with the corrosion resistance of austenitic stainless steel. This dual-phase microstructure provides excellent resistance to stress corrosion cracking, pitting, and crevice corrosion in aggressive environments. Ladhani Metal Corporation is a reputable global manufacturer and supplier of duplex steel flanges, offering products with precise dimensions, superior mechanical integrity, and full compliance with international industry standards. All flanges are rigorously inspected and tested to ensure reliability in demanding applications. Pressure Rating: • PN 10 (10 bar / 145 psi): Ideal for medium-pressure piping systems requiring a balance of strength, corrosion resistance, and cost efficiency. Flange Type: • Weld Neck Flanges Engineered with a long tapered hub for secure and stress-reducing pipe-to-flange connections. Supports smooth fluid transition and minimizes turbulence. • Flat Face (FF) Flanges Flat face construction ensures even gasket compression, suitable for use with soft gasket materials and cast equipment. Duplex Steel Grades and Composition: Duplex 2205 (UNS S32205 / S31803) • Chromium (Cr): 21–23% • Nickel (Ni): 4.5–6.5% • Molybdenum (Mo): 2.5–3.5% • Nitrogen (N): 0.14–0.20% • Manganese (Mn): ≤ 2.0% • Carbon (C): ≤ 0.03% • Iron (Fe): Balance Applications: Duplex 2205 offers outstanding resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. It is widely used in offshore platforms, chemical processing, marine environments, and desalination plants. Applications of DIN 2632 Duplex Steel Flanges PN 10: • Oil and Gas Industry Used in offshore and onshore systems handling sour gas, saltwater, and corrosive media. • Chemical and Petrochemical Ideal for reactors, heat exchangers, and piping exposed to acids, chlorides, and oxidizing substances. • Marine and Shipbuilding Provides excellent performance in seawater systems, ballast water treatment, and ship hull piping. • Desalination and Water Treatment Ensures long-term performance in high-salinity and high-chloride environments. • Pulp and Paper Applied in bleach plants and other areas exposed to aggressive chemical agents. Key Features: • Manufactured to DIN 2632 specifications • PN 10 pressure rating suitable for medium-pressure applications • Weld neck design for high-integrity, low-stress connections • Available in Duplex 2205 and Super Duplex 2507 for tailored corrosion resistance and strength • Flat face option for optimal gasket compression • Excellent resistance to stress corrosion cracking and pitting • High strength-to-weight ratio • Custom sizes, pressure classes, and finishes available upon request Conclusion: DIN 2632 duplex steel flanges PN 10 from Ladhani Metal Corporation provide a highly reliable, corrosion-resistant, and mechanically strong solution for demanding industrial applications. With advanced material options such as Duplex 2205 and Super Duplex 2507, these flanges are well-suited for marine, chemical, oil and gas, and water treatment sectors. For customized solutions, technical support, or pricing details, contact Ladhani Metal Corporation today

DIN 2630 Duplex flanges PN 2.5 are high-performance weld neck flanges manufactured to DIN 2630 standards, specifically designed for low-pressure applications up to 2.5 bar (36.25 psi). These flanges are made from Duplex stainless steels such as Duplex 2205 and Super Duplex 2507, which offer a balanced combination of high strength and excellent resistance to corrosion, stress corrosion cracking, and pitting. Engineered for demanding environments, these flanges provide long-lasting reliability in low-pressure systems exposed to aggressive chemicals and high temperatures. Ladhani Metal Corporation is a trusted global supplier and manufacturer of Duplex flanges, known for consistent quality and technical expertise. Our DIN 2630 PN 2.5 Duplex weld neck flanges are widely used in offshore, chemical, petrochemical, and marine industries where both mechanical performance and corrosion resistance are essential. Each flange undergoes rigorous quality control to ensure conformance with international standards and application-specific requirements. Pressure Rating: • PN 2.5 (2.5 bar / 36.25 psi): Designed for low-pressure operations requiring enhanced strength and superior corrosion resistance. Flange Type: • Weld Neck Flanges Designed with a tapered hub to evenly distribute stress and minimize erosion and turbulence in the flow path, making them suitable for high-integrity piping connections. • Flat Face (FF) Flanges Flat face flanges ensure even gasket compression and are ideal for use with cast equipment or non-metallic gasket materials in low-pressure systems. Duplex Grades and Full Composition: Duplex 2205 (UNS S32205 / S31803) • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.08 – 0.20% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Carbon (C): ≤ 0.03% • Iron (Fe): Balance Applications: Combines high strength with excellent resistance to pitting and crevice corrosion. Common in chemical process plants, desalination systems, and marine structures. Applications of DIN 2630 Duplex Flanges PN 2.5: • Offshore and Marine Engineering Used in piping systems exposed to seawater and harsh marine environments where strength and corrosion resistance are vital. • Chemical and Petrochemical Industry Ideal for handling corrosive process fluids, acids, and chloride-rich environments at low pressure. • Desalination Plants Used in brine systems and piping exposed to high chloride levels and fluctuating temperatures. • Oil and Gas Industry Applied in low-pressure sections of oil rigs, refineries, and gas processing systems where reliability and resistance to sulfide stress cracking are critical. Key Features: • Compliant with DIN 2630 specifications • PN 2.5 rating suitable for low-pressure service • Weld neck design provides high-integrity and stress-distributed connections • Flat face option for soft gasket compatibility and uniform sealing • Manufactured from Duplex and Super Duplex stainless steels for enhanced performance • High strength-to-weight ratio and excellent corrosion resistance • Custom sizes, pressure classes, and surface finishes available upon request Conclusion: DIN 2630 Duplex Flanges PN 2.5 from Ladhani Metal Corporation are engineered for performance in corrosive, high-stress environments where low-pressure service demands superior materials. Combining the strength and corrosion resistance of Duplex and Super Duplex alloys, these flanges ensure long-term durability and safety across a variety of critical applications. Contact Ladhani Metal Corporation for detailed specifications, customization options, or pricing information.

DIN 2628 Duplex steel flanges PN 250 are high-strength weld neck flanges designed according to the DIN 2628 standard for use in high-pressure systems up to 250 bar (3625 psi). Fabricated from Duplex stainless steels, these flanges offer an ideal balance of strength and corrosion resistance, combining the beneficial properties of both austenitic and ferritic stainless steels. Their robust mechanical performance, excellent resistance to stress corrosion cracking, and superior weldability make them well-suited for critical applications in aggressive service environments. Ladhani Metal Corporation manufactures and exports premium-grade Duplex steel flanges that meet stringent international standards for quality, reliability, and performance. Our DIN 2628 PN 250 Duplex steel weld neck flanges are widely used in sectors such as oil and gas, desalination, petrochemical processing, pulp and paper, and marine industries. With precision engineering and consistent quality, these flanges are designed to withstand high pressure, corrosive media, and mechanical stress. Pressure Rating: • PN 250 (250 bar / 3625 psi): Suitable for high-pressure systems requiring excellent structural integrity, corrosion resistance, and reliable sealing in dynamic conditions. Flange Type: • Weld Neck Flanges These flanges feature a tapered neck, offering high fatigue resistance by reducing stress concentration at the weld area. Ideal for applications with high pressure, high temperature, or repeated thermal cycling. • Flat Face (FF) Flanges Flat face design provides uniform gasket loading, minimizing the risk of flange deformation. Suitable for systems using brittle materials or low-pressure cast components. Duplex Steel Grades and Composition: Duplex 2205 (UNS S32205 / S31803) • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.14 – 0.20% • Iron (Fe): Balance • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Carbon (C): ≤ 0.03% Applications: Offers excellent corrosion resistance, particularly to chloride-induced stress corrosion cracking and pitting. Commonly used in offshore oil rigs, chemical tanks, heat exchangers, and pressure vessels. Applications of DIN 2628 Duplex Steel Flanges PN 250: • Oil and Gas Exploration Resistant to sour gas, chloride attack, and high mechanical loads in subsea and topside environments. • Chemical Processing Plants Used in aggressive chemical systems, reactors, and storage vessels requiring high corrosion resistance. • Marine and Offshore Structures Reliable in saltwater applications, such as ballast systems, risers, and flowlines. • Pulp and Paper Industry Withstands acidic and alkaline process chemicals used in bleaching and pulping operations. • Water Treatment and Desalination Ideal for handling brine and high-chloride content fluids in RO and thermal desalination systems. Key Features: • Conforms to DIN 2628 standards • PN 250 pressure rating for high-pressure, heavy-duty systems • Weld neck configuration for excellent mechanical support and minimal stress concentration • Flat face variant ensures even gasket loading and leak-proof operation • Available in Duplex 2205 and Super Duplex 2507 grades • Excellent resistance to chloride stress corrosion, pitting, and crevice corrosion • High tensile and yield strength for demanding industrial conditions • Custom sizes, pressure ratings, and surface finishes available upon request Conclusion: DIN 2628 Duplex Steel Flanges PN 250 from Ladhani Metal Corporation are the optimal solution for applications requiring superior corrosion resistance, high mechanical strength, and reliable sealing performance under extreme pressure. Available in Duplex 2205 and Super Duplex 2507, these flanges offer outstanding performance across various aggressive industrial environments. For detailed technical specifications or to request a customized quotation, please contact Ladhani Metal Corporation.

DIN 2627 Duplex Steel flanges PN 400 are high-integrity blind flanges engineered for ultra-high-pressure systems where enhanced corrosion resistance, mechanical strength, and stress corrosion cracking resistance are crucial. These flanges are manufactured in compliance with the DIN 2627 standard and are used to seal the ends of piping systems operating under extreme conditions involving high pressure, temperature fluctuations, and aggressive media such as chlorides or acidic compounds. The PN 400 rating (400 bar / 5800 psi) ensures these flanges are suitable for the most demanding environments. Made from Duplex and Super Duplex stainless steels—such as Duplex 2205 (UNS S31803/S32205) and Super Duplex 2507 (UNS S32750)—they offer a unique combination of austenitic and ferritic microstructures, providing exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Pressure Rating: • PN 400 (400 bar / 5800 psi): Designed for use in high-pressure systems where superior strength and corrosion resistance are required. Flange Type: • Blind Flanges Flat, solid flanges without a bore, used to seal off pipeline ends or nozzles for isolation, pressure testing, or future expansion. • Flat Face (FF) Flanges Feature a flat sealing surface suitable for use with full-face gaskets and flat-faced mating components to ensure uniform sealing under high-pressure conditions. Duplex Steel Grades and Composition: Duplex 2205 (UNS S31803 / S32205) • Chromium (Cr): 21 – 23% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.08 – 0.2% • Iron (Fe): Balance Applications: High strength and excellent resistance to chloride-induced stress corrosion and pitting. Commonly used in chemical tanks, pipelines, and pressure vessels. Applications of DIN 2627 Duplex Steel Flanges PN 400: • Offshore and Subsea Oil & Gas Installations Withstand high pressure, chloride-rich environments, and dynamic loading in risers, manifolds, and subsea pipelines. • Desalination Plants and Seawater Systems Exceptional resistance to chloride-induced corrosion makes them ideal for seawater intake and brine discharge lines. • Chemical and Petrochemical Plants Used in corrosive process lines involving acids, solvents, and high-temperature hydrocarbons. • Pulp and Paper Industry Ideal for chemical recovery systems and chlorine dioxide bleaching where both corrosion and strength are essential. • Heat Exchangers and Pressure Vessels High strength and thermal fatigue resistance under cyclic temperature and pressure changes. • Power Generation and Nuclear Systems Effective in high-pressure steam and cooling systems where corrosion resistance and mechanical integrity are mandatory. Key Features: • Compliant with DIN 2627 specifications • PN 400 pressure rating for ultra-high-pressure applications • Blind flange configuration ensures secure system isolation • Flat face design supports full-face gasket usage for optimal sealing • Available in Duplex 2205 and Super Duplex 2507 • Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking • High mechanical strength with good weldability and fatigue resistance • Used across offshore, petrochemical, desalination, and energy sectors • Custom dimensions, materials, and finishes available upon request Conclusion: DIN 2627 Duplex Steel Flanges PN 400 from Ladhani Metal Corporation deliver unmatched reliability and performance in the harshest operating conditions. Whether used in high-pressure offshore pipelines or corrosive chemical systems, these flanges offer long-term sealing, structural integrity, and corrosion resistance. Reach out to Ladhani Metal Corporation for technical assistance, material selection, or customized Duplex flange solutions tailored to your operational demands.

DIN 2576 Duplex Flanges PN 10 are robust, slip-on flanges engineered from duplex stainless steel, designed for piping systems operating under low to medium pressures. Manufactured according to the DIN 2576 standard, these flanges combine high mechanical strength with excellent corrosion resistance, particularly in chloride-rich and aggressive chemical environments. The slip-on configuration allows for simple positioning over the pipe and secure welding, ensuring accurate alignment and strong sealing integrity in a variety of industrial applications. Ladhani Metal Corporation is a renowned manufacturer and global exporter of duplex steel flanges, offering products that conform to international specifications in terms of dimensions, metallurgy, and performance. DIN 2576 duplex flanges are especially valued in industries requiring resistance to pitting, crevice corrosion, and stress corrosion cracking, including offshore, chemical, and wastewater systems. Pressure Rating: • PN 10 (10 bar / 145 psi): Suitable for moderate-pressure systems requiring long-term performance in harsh environments. Flange Types: • Slip-On Flanges Designed to slide over the pipe and be welded on both sides, these flanges offer easy installation and secure mechanical integrity. • Flat Face (FF) Flanges Used in conjunction with flat gaskets and flat mating surfaces, ideal for connections involving non-metallic or cast components. Duplex Stainless Steel Grades and Composition: Duplex 2205 (UNS S32205 / S31803) Composition: • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.14 – 0.20% • Iron (Fe): Balance Applications: Duplex 2205 offers twice the yield strength of conventional stainless steels with superior resistance to chloride-induced corrosion. Common applications include chemical processing, desalination, marine systems, and structural components in offshore platforms. Applications of DIN 2576 Duplex Flanges: • Offshore and Marine Engineering Ideal for seawater cooling systems, risers, and structural supports exposed to harsh marine environments. • Chemical and Petrochemical Industries Used in systems handling aggressive acids, chlorides, and solvents where standard stainless steels are insufficient. • Water Treatment and Desalination Applied in brine systems, high-salinity piping, and reverse osmosis plants for their resistance to pitting and scaling. • Pulp and Paper Industry Resists corrosion from bleaching chemicals and process fluids under high pressure. • Oil and Gas Suitable for pressure control systems, separators, and sour service applications. • Structural and Pressure Vessel Fabrication Used in tanks, pressure vessels, and piping subjected to mechanical and corrosive stress. Key Features: • Compliant with DIN 2576 standards • PN 10 pressure rating for moderate-pressure use • Excellent resistance to chloride stress corrosion, pitting, and crevice corrosion • High strength-to-weight ratio, reducing component size and cost • Available in Duplex 2205, Super Duplex 2507, and other custom grades • Slip-on design ensures quick and accurate pipe connections • Flat face options compatible with a variety of gaskets and materials • Ideal for chemical, marine, oil and gas, and water treatment sectors • Custom dimensions, face types, and surface finishes available Conclusion: DIN 2576 Duplex Flanges PN 10 from Ladhani Metal Corporation provide outstanding durability and corrosion resistance for challenging industrial environments. With availability in Duplex 2205 and Super Duplex 2507, these flanges are a reliable solution for systems exposed to high chlorides, pressure, and temperature. For technical specifications, grade selection, or project-specific orders, contact Ladhani Metal Corporation today.

DIN 2573 Duplex Flanges PN 6 are premium-quality, low-pressure plate flanges made from Duplex stainless steels, designed for applications requiring both excellent corrosion resistance and high mechanical strength. Manufactured in compliance with DIN 2573 standards, these flanges provide a reliable, cost-effective solution for demanding industrial environments, especially those exposed to chloride-bearing media, high-pressure fluids, and extreme temperatures. The balanced microstructure of Duplex alloys offers superior resistance to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for use in challenging service conditions. Ladhani Metal Corporation is a reliable manufacturer and global supplier of Duplex steel flanges, offering products that meet stringent quality and international performance standards. The DIN 2573 flange configuration allows for easy assembly and a secure, leak-tight seal, even in low-pressure, corrosive service environments. Pressure Rating: • PN 6 (6 bar / 87 psi): Engineered for low-pressure applications where corrosion resistance, strength, and long-term durability are required in aggressive service conditions. Flange Types: • Plate Flanges Flat, circular flanges designed for bolted piping connections with gaskets, ensuring a leak-free joint suitable for low-pressure systems. • Flat Face (FF) Flanges These flanges offer uniform surface contact, ideal for use with flat gaskets and compatible materials like non-metallic components or cast iron. • Slip-On Flanges Designed to slip over the pipe and be welded into place, these flanges offer easy alignment and simplified installation for low to moderate pressure systems. • Custom-Machined Flanges Custom-fabricated to meet specific application needs, including unique dimensions, face types, and surface finishes, in various Duplex steel grades. Duplex Steel Grades and Composition: Duplex 2205 (UNS S32205 / S31803) Composition: • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.14 – 0.20% • Manganese (Mn), Silicon (Si), Iron (Fe): Balance Applications: Duplex 2205 is ideal for environments with high chloride exposure, offering enhanced strength and corrosion resistance. Commonly used in offshore platforms, heat exchangers, pressure vessels, and seawater piping systems. Applications of DIN 2573 Duplex Flanges: • Chemical and Petrochemical Plants: Used in vessels, tanks, and piping that transport acidic and corrosive chemicals, Duplex flanges provide long service life and resistance to chemical attack. • Marine and Offshore Engineering: Ideal for seawater systems and subsea equipment due to their high corrosion resistance and excellent strength under pressure. • Oil and Gas Industry: Used in flowlines, risers, and subsea systems, these flanges offer mechanical durability and protection against corrosion in harsh hydrocarbon environments. • Power Generation: Duplex flanges are used in heat exchangers, condensers, and high-pressure steam lines, delivering stability under fluctuating temperature and pressure conditions. • Water Treatment and Desalination: Well-suited for brine handling and reverse osmosis systems, thanks to superior resistance to chloride-induced stress corrosion. Key Features: • Manufactured in accordance with DIN 2573 standard • Rated PN 6 for low-pressure systems requiring corrosion resistance • Exceptional performance in environments with chlorides and high mechanical stress • Available in Duplex 2205, Super Duplex 2507, and other Duplex grades • High strength combined with cost efficiency • Excellent fatigue resistance and weldability • Customization available for surface finishes, flange faces, and drilling patterns Conclusion: DIN 2573 Duplex Flanges PN 6 by Ladhani Metal Corporation offer a robust, corrosion-resistant solution for industries operating in aggressive chemical, marine, and high-pressure environments. Combining the mechanical strength of Duplex stainless steels with the reliable DIN 2573 design, these flanges ensure secure, long-lasting connections in critical systems. For detailed specifications, special dimensions, or technical consultations, contact Ladhani Metal Corporation today.

DIN 2567 duplex flanges PN 25 and PN 40 are high-performance threaded flanges manufactured according to DIN 2567 standards, specifically engineered for applications requiring superior strength, corrosion resistance, and long service life in aggressive environments. These flanges are ideal for medium to high-pressure systems and are widely used in industries such as oil & gas, petrochemicals, marine, and wastewater treatment. Ladhani Metal Corporation is a trusted manufacturer and global supplier of duplex flanges, offering precision-machined components designed to withstand stress, temperature fluctuations, and corrosive operating conditions. The threaded configuration enables quick, weld-free assembly, making them suitable for systems requiring routine inspection or maintenance. Pressure Ratings: • PN 25 (25 bar / 362 psi): Suitable for demanding fluid systems operating under moderate to high pressure. • PN 40 (40 bar / 580 psi): Built to handle high-pressure flow systems and aggressive environments, ensuring safety and durability under load. Flange Types: • Threaded (Screwed) Flanges Allow for easy connection and disassembly without welding; ideal for maintenance-accessible systems. • Raised Face (RF) Flanges Enhances gasket performance by focusing sealing pressure in a smaller contact area. • Flat Face (FF) Flanges Common in systems using brittle or non-metallic materials, especially in low-to-medium pressure operations. • Forged Threaded Flanges Deliver greater mechanical strength and improved dimensional accuracy. • Custom-Machined Flanges Offered in customized sizes, pressure classes, and duplex material grades to meet project-specific needs. Duplex Steel Grades and Composition: 1. Duplex 2205 (UNS S31803 / S32205) o Composition:  Chromium (Cr): 21.0 – 23.0%  Nickel (Ni): 4.5 – 6.5%  Molybdenum (Mo): 2.5 – 3.5%  Manganese (Mn): ≤ 2.0%  Nitrogen (N): 0.14 – 0.20%  Carbon (C): ≤ 0.03%  Silicon (Si): ≤ 1.0%  Iron (Fe): Balance Applications: Used in desalination plants, offshore platforms, heat exchangers, and pressure vessels due to its excellent chloride stress corrosion cracking resistance and high mechanical strength. Applications of DIN 2567 Duplex Flanges: • Oil & Gas Industry: Used in pipeline systems, separators, and subsea manifolds • Chemical and Petrochemical Plants: Withstand aggressive chemical exposure, including acids and chlorides • Desalination and Marine Engineering: Excellent performance in saltwater environments • Power Plants: Durable for use in high-pressure steam and cooling water systems • Wastewater Treatment: Corrosion-resistant in sludge, brine, and industrial effluent pipelines • Pulp and Paper Industry: Withstands acidic environments and mechanical abrasion Key Features: • Manufactured as per DIN 2567 standard • Available with PN 25 and PN 40 pressure ratings • High yield strength and stress corrosion cracking resistance • Superior resistance to pitting, crevice corrosion, and chloride-rich environments • Excellent mechanical and fatigue properties under both static and dynamic loading • Supplied with inspection certificates, testing reports, and full material traceability • Compatible with internal linings, coatings, or passivation treatments Conclusion: DIN 2567 duplex flanges PN 25 and PN 40 from Ladhani Metal Corporation are engineered for tough environments where standard stainless steel may fail. With their excellent strength, corrosion resistance, and long-term reliability, these flanges provide a safe and efficient connection solution for critical industrial systems. For detailed specifications, custom requirements, or bulk inquiries, reach out to Ladhani Metal Corporation today.