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Super Duplex Flanges

DIN 2627 Super Duplex Steel flanges PN 400 are robust, high-performance blind flanges engineered for extremely demanding applications requiring exceptional strength, corrosion resistance, and reliability under ultra-high-pressure conditions. Designed according to the DIN 2627 standard, these flanges are primarily used to isolate sections of piping systems, especially in environments that involve aggressive media such as seawater, acidic chemicals, and high-temperature fluids. With a PN 400 pressure rating (400 bar / 5800 psi), these flanges are suitable for critical systems where both mechanical strength and corrosion resistance are vital. Ladhani Metal Corporation is a globally recognized supplier and exporter of Super Duplex DIN flanges, offering products that meet or exceed international quality, safety, and performance standards for extreme-service applications. Pressure Rating: • PN 400 (400 bar / 5800 psi): Designed for high-pressure operations in chemically aggressive and mechanically demanding environments. Flange Type: • Blind Flanges Flat, solid flanges without a bore used to seal the end of piping systems. Ideal for temporary shutdowns, pressure testing, or future system expansion. • Flat Face (FF) Flanges Feature a flat sealing surface, suitable for use with full-face gaskets and flat mating components to ensure consistent and effective sealing under pressure. Super Duplex Steel Grades and Composition: Super Duplex 2507 (UNS S32750) • Chromium (Cr): 24 – 26% • Nickel (Ni): 6 – 8% • Molybdenum (Mo): 3 – 5% • Nitrogen (N): 0.24 – 0.32% • Iron (Fe): Balance Applications: Exceptional corrosion resistance in seawater, brines, and acidic environments. Commonly used in offshore structures, desalination plants, and chemical processing systems. Applications of DIN 2627 Super Duplex Flanges PN 400: • Offshore Oil and Gas Platforms Used in topside and subsea installations exposed to high salinity, pressure, and harsh chemical environments. • Desalination and Water Treatment Plants Resistant to chloride-induced corrosion and fouling in seawater intake and brine discharge systems. • Chemical and Petrochemical Processing Ideal for aggressive process media such as chlorides, sulfur compounds, and acids at high temperatures and pressures. • Marine Engineering and Shipbuilding Excellent corrosion resistance in marine atmospheres, making them suitable for seawater cooling, ballast systems, and structural piping. • Pulp and Paper Industry Deployed in bleaching plants and alkaline recovery lines where strength and corrosion resistance are essential. • Power Generation and Nuclear Facilities Reliable under high-temperature and pressure cycles in superheated steam, feedwater, and condenser systems. Key Features: • Manufactured to DIN 2627 standard • PN 400 pressure class for ultra-high-pressure environments • Blind flange design for secure pipe end sealing or access closure • Flat face type for even gasket compression and leak-free performance • Available in Super Duplex 2507 (UNS S32750) and S32760 • Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking • Twice the strength of conventional stainless steels • Widely used in offshore, marine, petrochemical, and water treatment industries • Custom options available: sizes, pressure ratings, face types, and finishes Conclusion: DIN 2627 Super Duplex Steel Flanges PN 400 by Ladhani Metal Corporation are designed to withstand the harshest industrial environments, providing unmatched corrosion resistance, mechanical strength, and sealing reliability. These flanges are ideal for mission-critical applications in offshore, marine, chemical, and energy industries. For technical assistance, custom fabrication, or detailed product specifications, contact Ladhani Metal Corporation and ensure your systems are protected by industry-leading flange solutions.

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Titanium flanges

DIN 2543 refers to a standard for titanium flanges under the German DIN (Deutsches Institut für Normung) system. Titanium flanges are designed for use in piping systems, connecting pipes, valves, pumps, and other equipment. They provide a secure method of joining pipes while allowing for easy disassembly when needed. These flanges are made from titanium or titanium alloys, which are known for their strength, corrosion resistance, and lightweight properties. Titanium is particularly advantageous in harsh environments such as marine, chemical processing, and high-temperature systems due to its resistance to oxidation and corrosion. Key Features: Material: Titanium or titanium alloys Corrosion Resistance: Excellent resistance to corrosion in various environments, particularly in acidic or saline conditions. Strength-to-weight ratio: Higher strength-to-weight ratio than steel. Temperature Tolerance: Titanium flanges can handle high temperatures and extreme conditions. Lightweight: Titanium is significantly lighter than steel, making transportation and handling easier. Pressure Rating (PN16):The "PN" (Pressure Nominal) value indicates the maximum pressure the flange can withstand at a specific temperature (typically 20°C).PN16 means the flange is rated for a maximum pressure of 16 bar (or 232 psi). Standard Flange Design: DIN 2543 titanium flanges follow a standardized design which includes: Type: Usually weld neck, slip-on, blind, or socket weld. Size: Flanges come in various sizes with different pressure ratings. Bolt Holes: They have drilled holes for bolts to connect to the mating flange. Face Type: Can be raised face, flat face, or RTJ (Ring Type Joint) depending on the application. Types of Titanium Flanges (According to DIN 2543): Weld Neck Flanges (WN): Ideal for high-pressure systems. Slip-on Flanges (SO): Easy to install, used for general applications. Blind Flanges (BL): Used to seal the end of a pipeline. Socket Weld Flanges (SW): Used for small bore applications. Lap Joint Flanges (LJ): Used with a stub end, providing easier alignment and disassembly Grades of Titanium Used for Flanges: Grade 2 (CP-Titanium - Commercially Pure Titanium): Composition: 99.2% pure titanium. Properties: Excellent corrosion resistance, moderate strength, highly ductile, good weldability. Grade 5 (Ti-6Al-4V - Titanium Alloy): Composition: 90% Titanium, 6% Aluminum, 4% Vanadium. Properties: High strength, excellent corrosion resistance, good fatigue strength, and slightly more difficult to weld. Conclusion: Grade 2 is ideal for applications requiring excellent corrosion resistance and ease of fabrication, while Grade 5 provides superior strength and is used in demanding applications like aerospace and high-performance industrial systems. Both grades offer excellent properties for titanium flanges used in a wide variety of industries. we also deal in various material in DIN2543 such at Stainless steel, duplex, super duplex, Inconel, Monel and carbon steel

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Inconel Flanges

DIN 2627 Inconel flanges PN 400 are premium-grade blind flanges engineered for ultra-high-pressure applications requiring exceptional corrosion resistance, heat resistance, and mechanical strength. Manufactured in accordance with the DIN 2627 standard, these flanges are designed to seal off the ends of piping systems, especially in extreme environments involving high temperatures, aggressive chemicals, or seawater exposure. The PN 400 rating (400 bar / 5800 psi) ensures performance under intense pressure conditions. Produced using high-performance nickel-based alloys such as Inconel 600, Inconel 625, and Inconel 718, these flanges are used extensively in aerospace, chemical processing, offshore oil and gas, marine, and power generation industries. Ladhani Metal Corporation is a leading global manufacturer and exporter of Inconel flanges, supplying components that conform to international standards for material integrity, pressure containment, and corrosion resistance. Pressure Rating: • PN 400 (400 bar / 5800 psi): Suitable for high-pressure piping systems in critical applications where maximum sealing and durability are essential. Flange Type: • Blind Flanges Solid, non-bored flanges used to isolate piping systems or terminate flow. Ideal for pressure testing, maintenance, and future pipeline expansions. • Flat Face (FF) Flanges Designed with a flat sealing surface for use with full-face gaskets and flat mating components, ensuring even load distribution and effective sealing. Inconel Grades and Composition: Inconel 600 (UNS N06600) • Nickel (Ni): ≥ 72% • Chromium (Cr): 14 – 17% • Iron (Fe): 6 – 10% • Manganese (Mn): ≤ 1% • Silicon (Si): ≤ 0.5% • Carbon (C): ≤ 0.15% • Sulfur (S): ≤ 0.015% Applications: Excellent resistance to oxidation, carburization, and chloride-ion stress corrosion cracking. Used in furnace components, heat exchangers, and food processing equipment. Inconel 625 (UNS N06625) • Nickel (Ni): ≥ 58% • Chromium (Cr): 20 – 23% • Molybdenum (Mo): 8 – 10% • Niobium + Tantalum (Nb + Ta): 3.15 – 4.15% • Iron (Fe): ≤ 5% • Carbon (C): ≤ 0.10% • Manganese (Mn): ≤ 0.5% • Silicon (Si): ≤ 0.5% Applications: Outstanding corrosion and fatigue resistance in seawater and chemical environments. Common in marine, aerospace, and offshore industries. Inconel 718 (UNS N07718) • Nickel (Ni): 50 – 55% • Chromium (Cr): 17 – 21% • Iron (Fe): Balance • Niobium + Tantalum (Nb + Ta): 4.75 – 5.5% • Molybdenum (Mo): 2.8 – 3.3% • Titanium (Ti): 0.65 – 1.15% • Aluminum (Al): 0.2 – 0.8% Applications: High strength and oxidation resistance up to 700°C. Used in jet engines, gas turbines, and high-pressure valves. Applications of DIN 2627 Inconel Flanges PN 400: • Offshore Oil and Gas Platforms Withstands high-pressure, high-salinity, and corrosive environments in subsea pipelines and risers. • Chemical Processing Plants Ideal for systems handling oxidizers, acids, solvents, and reactive compounds at high temperatures and pressures. • Aerospace and Jet Propulsion Used in fuel systems, hydraulic lines, and turbine enclosures where extreme heat and stress are common. • Nuclear and Power Generation Suited for high-pressure reactor lines and heat exchanger systems exposed to radiation, heat, and corrosive media. • Desalination and Seawater Systems Highly resistant to chloride-induced pitting and crevice corrosion. • High-Temperature and Reactive Media Systems Perfect for isolating systems exposed to thermal cycling and chemical attack. Key Features: • Manufactured to DIN 2627 standards • Rated for PN 400 ultra-high-pressure systems • Blind flange design for sealing pipe ends or testing access • Flat face design for even gasket compression and sealing • Available in Inconel 600, 625, and 718 • Excellent resistance to oxidation, acids, chlorides, and high heat • High mechanical strength and fatigue resistance • Used in critical industries including aerospace, marine, oil and gas, and chemical processing • Custom sizes, alloys, pressure ratings, and surface finishes available on request Conclusion: DIN 2627 Inconel Flanges PN 400 from Ladhani Metal Corporation offer exceptional performance and reliability in the most demanding service conditions. Whether your system involves corrosive chemicals, high-pressure steam, or marine exposure, these blind flanges deliver secure sealing, longevity, and safety. Contact Ladhani Metal Corporation for material selection, technical support, or custom solutions tailored to your high-performance application.

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Stainless Steel Flanges

DIN 2567 stainless steel flanges are high-quality, corrosion-resistant flanges designed for medium to high-pressure piping systems. Manufactured according to the DIN 2567 standard, these flanges offer reliable, leak-free connections that are suitable for a wide range of industrial applications, particularly in environments requiring superior resistance to rust, corrosion, and extreme temperatures. Their durability and ease of installation make them ideal for systems needing frequent maintenance or modification. Ladhani Metal Corporation is a prominent manufacturer and exporter of stainless steel flanges, offering precisely engineered products with excellent mechanical properties, corrosion resistance, and high-temperature performance. DIN 2567 stainless steel flanges are widely utilized across various industries such as chemical processing, oil & gas, power generation, and water treatment. Flange Types: • Threaded (Screwed) Flanges: These enable fast, non-welded assembly, ideal for systems requiring frequent disassembly and reassembly, such as in maintenance-driven or temporary installations. • Raised Face (RF) Flanges: Designed to enhance gasket sealing by concentrating pressure on a smaller contact area, improving the sealing ability in high-pressure systems. • Flat Face (FF) Flanges: Commonly used with cast iron or non-metallic equipment in lower-to-medium pressure systems, providing a flat sealing surface. • Forged Threaded Flanges: Offer improved strength, impact resistance, and dimensional accuracy, making them suitable for demanding applications. • Custom-Machined Flanges: Tailored to customer-specific requirements, including pressure class, size, and material variant. Available Stainless Steel Grades and Composition: 1. Grade 304 o Carbon (C): ≤ 0.08% o Manganese (Mn): 2.00 – 2.50% o Phosphorus (P): ≤ 0.045% o Sulfur (S): ≤ 0.030% o Silicon (Si): ≤ 1.00% o Chromium (Cr): 18.00 – 20.00% o Nickel (Ni): 8.00 – 10.50% Applications: Widely used in food processing, chemical industries, plumbing, and water treatment systems. The corrosion-resistant properties make it ideal for various industrial and marine environments. 2. Grade 316 o Carbon (C): ≤ 0.08% o Manganese (Mn): 2.00 – 2.50% o Phosphorus (P): ≤ 0.045% o Sulfur (S): ≤ 0.030% o Silicon (Si): ≤ 1.00% o Chromium (Cr): 16.00 – 18.00% o Nickel (Ni): 10.00 – 14.00% o Molybdenum (Mo): 2.00 – 3.00% Applications: Ideal for harsh, high-corrosion environments such as chemical and petrochemical industries, marine applications, and systems requiring resistance to pitting and crevice corrosion. 3. Grade 321 o Carbon (C): ≤ 0.08% o Manganese (Mn): 2.00 – 2.50% o Phosphorus (P): ≤ 0.045% o Sulfur (S): ≤ 0.030% o Silicon (Si): ≤ 1.00% o Chromium (Cr): 17.00 – 19.00% o Nickel (Ni): 9.00 – 12.00% o Titanium (Ti): 5 times the carbon content, minimum of 0.60% Applications: Suitable for high-temperature applications and environments where good oxidation and corrosion resistance are necessary. Often used in applications involving elevated temperatures, such as exhaust systems, heat exchangers, and boilers. Applications of DIN 2567 Stainless Steel Flanges: • Chemical Processing Industry: Used in pipelines, reactors, and pumps for handling corrosive substances. • Oil & Gas Industry: Common in offshore platforms, refineries, and subsea pipelines. • Power Plants: Ideal for steam, gas, and cooling water pipelines where high-temperature resistance is needed. • Water & Wastewater Treatment: Cost-effective and durable for fluid handling, filtration lines, and desalination plants. • Food & Beverage Industry: Hygiene and corrosion resistance make them suitable for food processing and pharmaceutical manufacturing systems. • Marine and Offshore: Excellent for use in saltwater environments and high-humidity areas. Key Features: • Manufactured to DIN 2567 standard with PN 25 and PN 40 pressure ratings • High resistance to corrosion, pitting, and oxidation, even in aggressive environments • Available in a range of stainless steel grades: 304, 316, 321 • Superior mechanical strength and excellent weldability • Easy installation with a threaded design for non-welded assembly Conclusion: DIN 2567 stainless steel flanges PN 25 and PN 40 from Ladhani Metal Corporation provide a reliable, high-performance solution for medium to high-pressure piping systems. With exceptional resistance to corrosion, high temperatures, and mechanical stress, these flanges are engineered to perform in demanding industrial environments. For custom specifications, large orders, or further inquiries, contact Ladhani Metal Corporation today.

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Carbon Steel Flanges

DIN 2566 carbon steel flanges PN 16 are durable and cost-effective threaded flanges designed for medium-pressure piping systems. Manufactured according to DIN 2566 standards, these flanges offer reliable, weld-free connections suitable for a wide range of industrial applications. Their threaded design ensures easy installation and removal, especially in setups requiring frequent maintenance or modifications. Ladhani Metal Corporation is a leading manufacturer and exporter of carbon steel flanges, delivering precision-engineered components with high mechanical strength, toughness, and machinability. DIN 2566 carbon steel flanges are widely used across industries such as oil & gas, power generation, construction, and water treatment. Flange Types: • Threaded (Screwed) Flanges: Enable fast, non-welded assembly—ideal for maintenance-driven or temporary systems. • Raised Face (RF) Flanges: Improve gasket sealing by focusing pressure on a smaller contact area. • Flat Face (FF) Flanges: Commonly used with cast iron or non-metallic equipment in low-to-medium pressure systems. • Forged Threaded Flanges: Provide enhanced strength, impact resistance, and dimensional accuracy. • Custom-Machined Flanges: Made to customer specifications including pressure class, size, or material variant. Available Carbon Steel Grades and Composition: 1. ASTM A105 (Forged Carbon Steel) • Carbon (C): ≤ 0.35% • Manganese (Mn): 0.60 – 1.05% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.040% • Silicon (Si): 0.10 – 0.35% Applications: Used in ambient and high-temperature pressure systems, including pipelines, valves, and pressure vessels. 2. ASTM A350 LF2 (Low-Temperature Carbon Steel) • Designed for increased impact resistance at low temperatures. • Offers good weldability and strength retention in cryogenic or sub-zero conditions. Applications: Ideal for cold weather installations such as gas processing, refrigeration lines, and cryogenic piping systems. Applications of DIN 2566 Carbon Steel Flanges: • Oil & Gas Industry: Used in pipelines, compressor units, and flow control systems • Petrochemical Plants: Handles hydrocarbons and other industrial fluids • Power Plants: Suitable for steam, gas, and cooling water pipelines • Water & Wastewater Treatment: Cost-effective for fluid handling and filtration lines • Structural & Mechanical Systems: Common in HVAC, infrastructure, and general engineering Key Features: • Manufactured to DIN 2566 standard with PN 16 pressure rating • High tensile strength, ductility, and resistance to wear • Economical and versatile for general-purpose applications • Threaded design for quick, weld-free installation • Compatible with coatings and protective treatments • Supplied with test certificates, inspection reports, and full material traceability Conclusion: DIN 2566 carbon steel flanges PN 16 from Ladhani Metal Corporation are a dependable and budget-friendly solution for medium-pressure piping systems. Known for their mechanical strength, reliability, and ease of installation, these flanges are engineered to perform in a wide variety of industrial environments. For detailed specifications, customization, or large-volume orders, contact Ladhani Metal Corporation today.

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Duplex Flanges

DIN 2566 duplex flanges PN 16 are high-performance, corrosion-resistant flanges designed for medium-pressure threaded piping systems. Manufactured in compliance with DIN 2566 standards, these flanges provide a reliable, non-welded connection ideal for environments where both strength and corrosion resistance are critical. Ladhani Metal Corporation is a manufacturer and exporter of duplex stainless steel flanges, offering precise machining, dimensional accuracy, and material traceability. With excellent mechanical properties and enhanced resistance to stress corrosion cracking and pitting, DIN 2566 duplex flanges are suitable for demanding applications across the oil & gas, petrochemical, marine, and power generation industries. Flange Types: • Threaded (Screwed) Flanges: Enable easy assembly and disassembly without welding, ideal for maintenance-intensive or temporary systems. • Raised Face (RF) Flanges: Improve gasket sealing by focusing pressure on a smaller surface area, reducing the risk of leakage. • Flat Face (FF) Flanges: Used with equipment having flat sealing surfaces, especially in systems using cast or non-metallic components. • Forged Threaded Flanges: Offer superior strength and impact resistance with consistent dimensional tolerance. • Custom-Machined Flanges: Tailored to meet specific application needs including pressure class, material grade, and sizing. Available Duplex Grades and Composition: 1. 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): 0.14 – 0.20% • Carbon (C): ≤ 0.030% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% Applications: Used in environments with chloride exposure and aggressive chemical media, such as offshore platforms, desalination plants, pressure vessels, and structural piping systems. Applications of DIN 2566 Duplex Flanges: • Oil & Gas Pipelines: Resistant to sour service and high-pressure fluids • Chemical and Petrochemical Plants: Withstands corrosive chemicals and process fluids • Marine and Offshore Engineering: Ideal for seawater and salt-laden atmospheres • Power Plants: Used in high-temperature and high-pressure piping systems • Water Treatment and Desalination: Corrosion-free in brine and chlorinated water systems Key Features: • Manufactured to DIN 2566 standard with PN 16 pressure rating • Excellent corrosion and stress corrosion cracking resistance • High strength and toughness, even at low temperatures • Maintenance-friendly threaded design • Dimensional precision and smooth finish for leak-free operation • Supplied with test certificates, inspection reports, and full traceability Conclusion: DIN 2566 duplex flanges PN 16 from Ladhani Metal Corporation are engineered to deliver a perfect balance of strength and corrosion resistance in medium-pressure piping applications. Designed for long-term durability in harsh environments, these flanges offer dependable performance with minimal maintenance. For technical assistance, custom dimensions, or bulk orders, get in touch with Ladhani Metal Corporation today.

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Carbon Steel Flanges

Ladhani Metal Corporation is a leading manufacturer and exporter of DIN 2565 carbon steel flanges, designed to provide strong, reliable, and cost-effective connections in low-pressure piping systems. Manufactured in accordance with DIN 2565 standards and available in PN 6 pressure rating, these threaded flanges are ideal for non-welded piping setups, especially in maintenance-friendly or temporary installations. Carbon steel flanges offer a combination of durability, toughness, and affordability. Their versatility makes them a widely preferred choice across industries such as oil and gas, construction, power generation, water treatment, and general engineering applications. Flange Types: • Threaded (Screwed) Flanges: Designed for quick assembly without welding, ideal for applications requiring frequent dismantling or modifications. • Raised Face (RF) Flanges: Helps create a tighter seal by concentrating pressure on the gasket, minimizing leakage. • Flat Face (FF) Flanges: Commonly used with cast iron or non-metallic components in low-pressure pipelines. • Forged Threaded Flanges: Forged for superior strength, impact resistance, and dimensional accuracy. • Custom-Machined Flanges: Tailored to meet specific customer requirements in terms of pressure class, dimensions, or material properties. Available Carbon Steel Grades and Composition: 1. ASTM A105 (Forged Carbon Steel) o Carbon (C): ≤ 0.35% o Manganese (Mn): 0.60 – 1.05% o Phosphorus (P): ≤ 0.035% o Sulfur (S): ≤ 0.040% o Silicon (Si): 0.10 – 0.35% Applications: Widely used in pressure systems at ambient and higher temperatures. Suitable for oil & gas pipelines, valves, and pressure vessels. 2. ASTM A350 LF2 (Low Temperature Carbon Steel) o Designed for low-temperature service with added toughness and impact resistance. Applications: Used in cryogenic and sub-zero temperature systems, such as gas processing and cold storage piping. Applications of DIN 2565 Carbon Steel Flanges: • Oil & Gas Industry: Used in pipelines, valve connections, and flow systems. • Petrochemical and Refineries: Suitable for systems transporting hydrocarbons and chemicals. • Power Plants: Applied in steam, gas, and cooling water systems. • Water and Wastewater Treatment: Durable and cost-effective for fluid transport. • Structural and General Engineering: Commonly used in infrastructure, HVAC, and mechanical systems. Key Features: • Manufactured to DIN 2565 standard with PN 6 pressure rating • High mechanical strength with good ductility and toughness • Economical option for general-purpose piping systems • Easily machinable, weldable (if needed), and suitable for coatings • Delivered with test certificates, inspection reports, and material traceability Conclusion: DIN 2565 carbon steel flanges from Ladhani Metal Corporation offer dependable performance and excellent value across a wide range of applications. Known for their strength, versatility, and cost-effectiveness, these flanges are engineered to meet demanding project requirements. With strict quality control and precision manufacturing, our carbon steel flanges deliver consistent results for industrial and commercial systems. For specifications, custom requests, or bulk orders, get in touch with Ladhani Metal Corporation today.

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Monel Flanges

DIN 2544 Monel flanges are flanges manufactured according to the DIN 2544 standard, specifically designed for use with Monel alloys. Monel is a high-performance nickel-copper alloy known for its outstanding corrosion resistance, particularly in seawater, acids, and alkaline environments. These flanges are widely used in industries such as marine, chemical processing, petrochemical, and other applications that require resistance to aggressive media and high temperatures. Key Features: Material: Monel alloys (typically Monel 400 and Monel K-500). Pressure Rating (PN 25): These flanges are rated for pressure class PN 25, meaning they can handle pressures up to 25 bar (2500 kPa). Corrosion Resistance: Monel alloys offer excellent resistance to corrosion in harsh environments such as seawater and acidic solutions, making them ideal for marine and chemical applications. Strength: Monel alloys exhibit high strength and toughness, retaining their mechanical properties even in elevated temperature environments. Temperature Resistance: Monel alloys maintain integrity and strength even in high-temperature conditions, making them suitable for demanding applications. Types of DIN 2544 Monel Flanges: Weld Neck Flange (WN): These flanges are ideal for high-pressure applications where a reliable, leak-proof connection is required. The neck is welded to the pipe to create a strong joint. Slip-On Flange (SO): These flanges are easy to install by slipping over the pipe, then welding both inside and outside for a secure connection. Blind Flange (BL): Used to seal the ends of pipes, vessels, or other openings, providing a leak-tight closure. Threaded Flange (TH): These flanges are screwed onto the pipe without welding, making them easier to install and remove when needed. Socket Weld Flange (SW): Designed for smaller pipe sizes, where the pipe is inserted into the socket and welded into place for a strong, secure joint. Grades of Monel: Monel 400: A nickel-copper alloy containing 63% nickel and 29% copper, Monel 400 offers excellent resistance to seawater and other corrosive environments. It is commonly used in marine and chemical processing applications. Monel K-500: This alloy is similar to Monel 400 but with added titanium and aluminum for improved strength and hardness. It is used in high-stress environments such as aerospace and marine applications. Pressure Rating (PN 25): PN 25 means the flange is rated to withstand pressures of up to 25 bar (2500 kPa), making it ideal for moderate to high-pressure applications. Summary: DIN 2544 Monel flanges are corrosion-resistant components made from Monel alloys, ideal for use in industries like marine, chemical processing, and petrochemical. Ladhani Metal Corporation offers a variety of Monel flanges, including weld neck, slip-on, blind, threaded, and socket weld types, rated for pressures up to PN 25. With a strong focus on quality and customer service, Ladhani Metal Corporation provides high-performance solutions for industries worldwide.

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blind flanges

DIN 2527 Monel Blind Flanges are critical components used in piping systems to seal the open ends of pipes, vessels, or equipment when no further connection is needed. These blind flanges are made from Monel alloys, a group of nickel-copper-based alloys known for their exceptional corrosion resistance, especially in harsh marine and chemical environments. Monel flanges, manufactured to the DIN 2527 standard, ensure superior strength and reliability in demanding applications, making them ideal for industries such as chemical processing, marine, and power generation. Material Composition of Monel Alloys: Monel alloys are primarily composed of Nickel (Ni) and Copper (Cu), along with small amounts of other elements such as iron, manganese, and silicon. Two of the most commonly used Monel alloys in blind flange production are: Monel 400: Nickel (Ni): 63% Copper (Cu): 28-34% Iron (Fe): 2.5% max Manganese (Mn): 2.0% max Silicon (Si): 0.5% max Carbon (C): ≤ 0.30% Sulfur (S): ≤ 0.024% Monel K-500: Nickel (Ni): 63% Copper (Cu): 28% Aluminum (Al): 2.3-3.1% Titanium (Ti): 0.35-0.85% Iron (Fe): 2.5% max Manganese (Mn): 1.0% max Silicon (Si): 0.5% max Carbon (C): ≤ 0.30% Sulfur (S): ≤ 0.015% Key Features of DIN 2527 Monel Blind Flanges: Corrosion Resistance: Monel alloys are highly resistant to a wide variety of corrosive agents, including seawater, sulfuric acid, hydrochloric acid, and alkaline environments. Monel 400, in particular, is known for its excellent resistance to chloride-induced stress corrosion cracking, making it ideal for marine applications. Monel K-500 offers enhanced strength and resistance to corrosion fatigue, commonly used in more challenging environments. Temperature Resistance: Monel 400 can withstand temperatures up to 1000°F (538°C) continuously and up to 1200°F (649°C) intermittently. Monel K-500 offers high strength and resistance to oxidation and scaling in environments up to 1000°F (538°C). Mechanical Strength: Monel 400 is known for its strength and durability, especially in environments that require resistance to both high pressure and corrosion. Monel K-500 exhibits additional strength due to the presence of aluminum and titanium, making it suitable for applications under higher stresses. Dimensional Accuracy and Pressure Class: DIN 2527 Monel Blind Flanges are manufactured to precise dimensions, ensuring a secure seal in the piping system. These flanges are available in various pressure classes, such as PN6, PN10, PN16, and others, providing flexibility for different pressure ratings. Design Options: Standard Blind Flange (Type A): A solid, flat disc used to seal the end of a pipe or vessel. Flat-Faced Blind Flange: Designed with a flat sealing surface, ideal for low-pressure systems. Raised Face Blind Flange: Features a raised surface around the center to improve sealing in high-pressure systems. Ring-Type Joint (RTJ) Blind Flange: Includes a groove for an RTJ gasket, used for high-pressure applications, often in the oil and gas industry. Long Weld Neck Blind Flange: Features an extended neck for welding, offering additional strength and used in high-pressure or stressed systems. Nominal Diameter: DIN 2527 Monel Blind Flanges are available in a wide range of sizes, typically from DN10 (1/2 inch) up to DN600 (24 inches) or more, depending on system requirements.

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