DIN 2527 Titanium Blind Flanges are specialized components used to seal the open ends of pipes, vessels, or other equipment in industrial systems where no further connection is required. Made from Titanium alloys, these flanges offer a combination of high strength, excellent corrosion resistance, and light weight, making them an ideal choice for applications in demanding environments. Manufactured according to the DIN 2527 standard, these flanges ensure high levels of dimensional accuracy, pressure tolerance, and mechanical strength, which are critical for maintaining the integrity of piping systems. Material Composition of Titanium Alloys: Titanium alloys used for DIN 2527 Blind Flanges typically include: Grade 2 Titanium (Commercially Pure Titanium): Titanium (Ti): 99.2% min Iron (Fe): 0.30% max Oxygen (O): 0.25% max Carbon (C): 0.08% max Nitrogen (N): 0.03% max Hydrogen (H): 0.015% max Grade 5 Titanium (Ti-6Al-4V): Titanium (Ti): 90.0% min Aluminum (Al): 6.0% - 7.0% Vanadium (V): 3.5% - 4.5% Iron (Fe): 0.25% max Oxygen (O): 0.20% max Carbon (C): 0.10% max Nitrogen (N): 0.05% max Hydrogen (H): 0.015% max Key Features of DIN 2527 Titanium Blind Flanges: Corrosion Resistance: Titanium is highly resistant to corrosion, especially in chloride, seawater, and acidic environments, making Titanium Blind Flanges ideal for use in marine, chemical, and offshore applications. Titanium alloys offer superior resistance to pitting, crevice corrosion, and stress corrosion cracking, even in extreme environments like high salinity and acidic conditions. High Strength-to-Weight Ratio: Titanium has an excellent strength-to-weight ratio, making it significantly stronger than many steel alloys while being much lighter. This is particularly beneficial in industries where weight reduction is essential, such as aerospace and marine industries. Temperature Resistance: Titanium alloys can withstand high temperatures, with Grade 2 Titanium performing well at up to 400°C (752°F) and Grade 5 Titanium being suitable for continuous service at up to 400°C (752°F) as well, with intermittent exposure to even higher temperatures. Dimensional Accuracy and Pressure Class: DIN 2527 Titanium Blind Flanges are manufactured to precise dimensions, ensuring a secure seal within the piping system. Available in different pressure classes such as PN6, PN10, PN16, etc., ensuring compatibility with a wide range of piping systems. Design Options: Standard Blind Flange (Type A): A solid, circular disc used to seal the end of a pipe or vessel. Commonly used in general applications. Flat-Faced Blind Flange: Features a flat sealing surface, ideal for low-pressure systems. Raised Face Blind Flange: Includes a raised area around the center for improved sealing in higher pressure systems. Ring-Type Joint (RTJ) Blind Flange: Designed with a groove to accommodate a ring-type joint gasket, used for high-pressure applications, particularly in the oil and gas industry. Long Weld Neck Blind Flange: Features an extended neck for welding, providing additional strength and stability, commonly used in high-pressure or high-stress systems. Nominal Diameter: DIN 2527 Titanium Blind Flanges are available in a variety of nominal diameters (DN), typically ranging from DN10 (1/2 inch) up to DN600 (24 inches) or more, based on the application needs.

DIN 2527 Inconel Blind Flanges are specialized components designed to close off the ends of pipes or vessels in industrial piping systems, where no further connection is required. These blind flanges are made from Inconel alloys, a family of high-performance superalloys, known for their outstanding strength, resistance to high temperatures, and corrosion resistance in aggressive environments. The DIN 2527 standard ensures that these flanges meet the highest specifications for dimensional accuracy, pressure tolerance, and mechanical strength. Material Composition of Inconel Alloys: The primary materials used in the production of DIN 2527 Inconel Blind Flanges include Inconel 600, Inconel 625, and Inconel 718, each offering specific advantages depending on the application: Inconel 600 (Ni 72%, Cr 15%): Known for excellent resistance to oxidation and corrosion in high-temperature environments. Inconel 625 (Ni 58%, Cr 21%, Mo 9%): Offers superior resistance to pitting, stress corrosion cracking, and oxidation. Inconel 718 (Ni 50%, Cr 19%, Mo 3%, Nb 5%): Known for high strength and excellent fatigue and thermal-fatigue strength. These alloys provide superior resistance to a wide range of harsh environments, such as high-temperature oxidation, sulfuric and phosphoric acid corrosion, and chloride-induced stress corrosion cracking. Key Features of DIN 2527 Inconel Blind Flanges: Temperature and Pressure Resistance: Operating Temperature: Inconel alloys can withstand extremely high temperatures, with Inconel 600 handling temperatures up to 1093°C (2000°F), Inconel 625 up to 982°C (1800°F), and Inconel 718 capable of continuous operation at temperatures of up to 700°C (1292°F). Pressure Tolerance: Designed to endure elevated pressures, with pressure ratings available in PN6, PN10, PN16, and other standard pressure classes, ensuring safety under extreme operating conditions. Corrosion Resistance: Exceptional resistance to oxidation, scaling, and various forms of corrosion, particularly in high-temperature environments. Inconel 625 is particularly effective in marine and chemical processing environments due to its resistance to pitting and crevice corrosion. Strength and Durability: Inconel alloys exhibit outstanding mechanical strength, even at high temperatures, ensuring the structural integrity of piping systems under stress. The DIN 2527 standard defines the dimensions and design to accommodate high-stress conditions, making these flanges essential in demanding industries. Dimensional Accuracy and Pressure Class: DIN 2527 ensures precise dimensional accuracy, allowing for effective sealing and easy installation in piping systems. Available in various sizes and thicknesses, with flanges designed to meet specific pressure classes like PN6, PN10, and PN16, depending on the application. Design and Types: Standard Blind Flange (Type A): A solid, circular flange ideal for general applications. Flat-Faced Blind Flange: Features a flat sealing surface, suitable for low-pressure systems. Raised Face Blind Flange: Has a raised surface for improved sealing in higher pressure applications. Ring-Type Joint (RTJ) Blind Flange: Designed for high-pressure applications, with a groove for an RTJ gasket. Long Weld Neck Blind Flange: Offers added strength with an extended neck for welding, often used in high-pressure or stressed systems. Nominal Diameter: Available in a wide range of nominal diameters, typically from DN10 (1/2 inch) up to DN600 (24 inches) or more, to accommodate different pipe sizes and system requirements.

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.

The DIN 2558 Monel Flange PN 6 is a precision-engineered piping component manufactured to meet DIN (Deutsches Institut für Normung) specifications. Made from high-performance Monel alloys—nickel-copper-based materials known for their outstanding resistance to corrosion, particularly in marine and chemical environments—these flanges offer exceptional durability and reliability in some of the most demanding industrial applications. Supplied by Ladhani Metal Corporation, these flanges are designed to provide a leak-free, long-lasting solution in medium-pressure systems. Monel flanges are widely used in industries such as marine engineering, chemical processing, hydrocarbon refining, heat exchangers, and offshore oil and gas production. Types: Weld Neck Flange – Offers a high-strength welded connection ideal for high-pressure and high-temperature systems. Slip-On Flange – Easy to install and align, welded on both sides for secure sealing. Blind Flange – Closes off the end of a pipeline or vessel, ensuring no fluid passes through. Threaded Flange – Allows for non-welded assembly, suitable for low-pressure piping systems. Socket Weld Flange – Designed for small-diameter, high-pressure applications requiring a smooth bore and strong weld. Grades & Chemical Composition: Monel 400 (UNS N04400): Nickel (Ni): ≥ 63.0% Copper (Cu): 28.0 – 34.0% Iron (Fe): ≤ 2.5% Manganese (Mn): ≤ 2.0% Carbon (C): ≤ 0.30% Silicon (Si): ≤ 0.50% Key Features: Excellent resistance to seawater, steam, salt, and caustic solutions; strong mechanical properties across a wide temperature range. Monel K500 (UNS N05500): Nickel (Ni): ≥ 63.0% Copper (Cu): 27.0 – 33.0% Aluminum (Al): 2.3 – 3.15% Titanium (Ti): 0.35 – 0.85% Iron (Fe): ≤ 2.0% Key Features: Combines the corrosion resistance of Monel 400 with higher strength and hardness due to age hardening; excellent resistance to sour gas and seawater environments. PN 6 Rating: The PN 6 rating signifies a nominal pressure class of 6 bar (87 psi), making these flanges ideal for medium-pressure systems where corrosion resistance is paramount, particularly in chloride-rich or alkaline environments. Features: Outstanding Corrosion Resistance: Especially effective in marine, saltwater, and chemical processing environments. High Strength and Toughness: Maintains structural integrity under mechanical stress and thermal fluctuations. Long Service Life: Designed for durability in aggressive media, reducing maintenance and replacement costs. Excellent Weldability: Compatible with standard welding techniques, allowing easy integration into piping systems. Versatile Industrial Use: Suitable for offshore platforms, shipbuilding, desalination, chemical plants, and heat exchangers. Leak-Proof Sealing: Precision manufacturing ensures tight connections that prevent leaks and system inefficiencies. Ladhani Metal Corporation ensures each DIN 2558 Monel Flange is manufactured with stringent quality control and tested for compliance with international standards. These flanges offer a reliable, corrosion-resistant solution for medium-pressure industrial systems operating in highly aggressive environments. #din2558 #din2558flanges #din2558monelflanges #monelflanges #flanges

DIN 2545 is a German standard for stainless steel flanges, designed for use in piping systems requiring durability, corrosion resistance, and strong mechanical properties. These flanges are commonly used in industries like chemical, petrochemical, food processing, and more. They come in various sizes and configurations for secure and leak-proof connections. The PN 40 rating indicates that these flanges can withstand pressures up to 40 bar (approximately 580 psi) at normal temperatures (typically 20°C or 68°F). Types of DIN 2545 SS Flanges: · Slip-On Flange (SO): A flange that slides over the pipe and is welded inside and outside for a secure connection. · Weld Neck Flange (WN): A flange with a tapered neck that allows for a stronger weld, commonly used in high-pressure applications. · Blind Flange: A flange with no bore used to seal the end of a pipe or vessel. · Threaded Flange: A flange with internal threads that allows it to be screwed onto a pipe without welding. · Socket Weld Flange: Designed for pipes to fit into the socket of the flange, offering good pressure containment in high-temperature applications. · Lap Joint Flange: Used with a stub end and ideal for applications requiring frequent disassembly. Grades and Their Chemical Composition: · Grade 304 (AISI 304): This grade has a chemical composition consisting of 18-20% chromium, 8-10.5% nickel, with a carbon content of up to 0.08%. It also contains small amounts of manganese (2.00-2.50%), silicon (≤ 1.00%), phosphorus (≤ 0.045%), and sulfur (≤ 0.030%), while the rest is iron. It is widely used due to its good corrosion resistance, weldability, and formability. · Grade 316 (AISI 316): The chemical composition of 316 includes 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. It also contains up to 0.08% carbon, 2.00-2.50% manganese, and ≤ 1.00% silicon, with iron making up the balance. The addition of molybdenum provides improved resistance to corrosion, particularly in chloride environments, making it suitable for marine and chemical industries · Grade 321 (AISI 321): This grade has a chemical composition with 17-19% chromium, 9-12% nickel, and a maximum carbon content of 0.08%. It also contains 2.00-2.50% manganese, ≤ 1.00% silicon, and small amounts of phosphorus (≤ 0.045%) and sulfur (≤ 0.030%). The remainder is iron. Grade 321 is stabilized with titanium to prevent sensitization and is highly resistant to intergranular corrosion, making it ideal for high-temperature applications like in the aerospace and chemical industries. Applications: DIN 2545 Stainless Steel Flanges (PN 40) are widely used in various industries due to their superior strength, corrosion resistance, and versatility. These flanges are specifically designed to handle higher pressure ratings (PN 40), making them ideal for demanding applications. Some of the key applications include: -Chemical Processing: Used in the manufacturing of chemicals, pharmaceuticals, and petrochemicals, where high resistance to corrosion is essential. -Oil and Gas Industry: For pipelines, pumps, and valves that transport oil, gas, and other fluids under high pressure. -Water Treatment Plants: Employed in water and wastewater management systems to connect piping and ensure leak-free connections under high pressure. -Food and Beverage Industry: In production systems where hygiene and corrosion resistance are critical, especially in food processing and dairy plants. -Power Generation: For use in power plants in systems such as steam lines and cooling circuits that operate under high-pressure conditions. -Marine and Offshore: Often used in ships, platforms, and offshore structures that are exposed to harsh environmental conditions. -HVAC Systems: In high-pressure heating, ventilation, and air conditioning applications. DIN 2545 Stainless Steel Flanges (PN 40) offer both durability and reliability in these high-pressure applications, ensuring safe and efficient performance in various industries. Conclusion: DIN 2545 SS flanges provide a reliable and robust solution for piping systems across various industries. These flanges are widely used in applications ranging from general industrial use to highly specialized sectors like aerospace, marine, and chemical processing, ensuring safe and efficient operation in demanding environments. The PN 40 rating guarantees they can withstand medium-to-high pressure systems.

DIN 2543 Stainless Steel Flanges are flanges made from stainless steel that conform to the German industrial standard DIN 2543. These flanges are used to connect pipes, valves, pumps, and other equipment within a piping system. The DIN 2543 standard defines the specifications, dimensions, and materials for flanges used primarily in industrial applications where high strength, durability, and corrosion resistance are required. DIN 2543 refers to the "Flanges for pipes, slip-on flanges, welding neck flanges, and blind flanges." DIN 2543 flanges are PN 16, and they have specific dimensional standards for that pressure rating, ensuring compatibility and safety in pipeline applications. Here's a detailed description of DIN 2543 Stainless Steel Flanges: 1. Standard Overview (DIN 2543): • DIN 2543 refers to flanges that are used to connect pipes and related components in various industrial systems. It specifies welding neck flanges, slip-on flanges, and blind flanges among others. • The flanges covered by this standard are available in different pressure classes and materials, including stainless steel. • The main application of these flanges is in piping systems for industries such as chemical, oil and gas, water treatment, food processing, and HVAC. 2. Types of DIN 2543 Flanges: The standard covers different types of flanges, each with its own application: • Welding Neck Flanges (WN): o These flanges are designed to be welded to the pipe. They have a long tapered neck that provides better stress distribution and is suitable for high-pressure applications. o Application: Common in high-pressure and high-temperature systems. • Slip-On Flanges (SO): o These flanges fit over the pipe and are welded at both the inside and outside edges. They are easier to install compared to welding neck flanges. o Application: Suitable for low- and medium-pressure systems. • Blind Flanges (BL): o These flanges are used to seal the end of a pipe. They have no central hole and are typically used to close off piping systems or for future extensions. o Application: Used when a permanent or temporary closure is needed in a piping system. 3. Materials for Stainless Steel Flanges: DIN 2543 Stainless Steel flanges are typically manufactured from the following grades of stainless steel, which are selected based on the specific requirements of the application: • Grade 304 Stainless Steel (AISI 304): o The most common type of stainless steel, offering good corrosion resistance and forming ability. It is suitable for general-purpose applications in environments not subject to severe corrosion. o Applications: Food and beverage processing, chemical industries, and general industrial applications. • Grade 316 Stainless Steel (AISI 316): o Contains molybdenum (2–3%), which significantly enhances its resistance to pitting and crevice corrosion in chloride environments. It is widely used in more corrosive environments such as marine or chemical processing applications. o Applications: Marine environments, chemical industries, pharmaceuticals, and offshore applications. • Grade 321 Stainless Steel (AISI 321): o Similar to 304 but with added titanium to prevent carbide precipitation during welding. It is ideal for high-temperature environments and offers good oxidation resistance. o Applications: High-temperature systems, aerospace applications, and heat exchangers. 4. Gasket Surface Types: The gasket surface of DIN 2543 stainless steel flanges is crucial for creating a proper seal when two flanges are joined. The most common gasket surface types include: • Raised Face (RF): o A flange with a raised area where the gasket is placed. This is the most common type and provides a reliable seal. • Flat Face (FF): o The flange surface is flat and typically used in lower-pressure systems. • Ring Type Joint (RTJ): o This type has a groove for the insertion of a metal ring gasket, used in high-pressure or high-temperature applications. DIN 2543 SS flanges are designed to provide strong, durable, and leak-proof connections for pipes in various industries, with precise dimensions, materials, and pressure ratings tailored to different operational needs. The different types of flanges (Slip-on, Welding Neck, and Blind) allow for versatile use in a variety of applications.

DIN 2527 blind flanges are sealing components used in piping systems to close the ends of pipes, valves, or pressure vessels where no further connection is required. These flanges are designed to prevent the flow of fluids or gases, isolate sections of the piping system for maintenance, or facilitate pressure testing of the system. The DIN 2527 standard ensures these flanges meet specific dimensional and mechanical properties for reliable performance in various industrial applications. material type : Titanium: Titanium flanges, including Grade 2 and Grade 5, are known for their exceptional resistance to corrosion, particularly in aggressive environments like seawater and chemicals. These lightweight and strong materials are commonly used in aerospace, marine, and chemical industries. Stainless Steel (SS): Stainless steel, including grades like 304 and 316, provides excellent corrosion resistance, particularly in harsh environments. It is used in industries like chemical processing and marine applications, where resistance to corrosion and oxidation is essential. Carbon Steel (C.S.): Carbon steel is a popular choice for DIN 2527 blind flanges due to its strength, weldability, and cost-effectiveness. It is ideal for general-purpose applications in systems with moderate temperature and pressure conditions, using grades like St 37 and A105. Mild Steel (MS): Mild steel is a low-carbon steel that offers good formability and strength, making it suitable for less demanding applications. It is commonly used in systems where high pressure or corrosion resistance is not a critical concern. Alloy Steel: Alloy steel flanges, such as A182 F11 and A182 F22, are designed for high-temperature and high-pressure applications. They offer greater strength, thermal expansion resistance, and durability, making them ideal for power generation and petrochemical industries. Inconel: Inconel flanges, including Inconel 600 and 625, are ideal for extreme high-temperature and aggressive environments. These alloys provide superior strength and exceptional resistance to oxidation and corrosion, making them suitable for high-performance applications. SS Duplex Steel: Duplex steel, such as grade 2205, combines the characteristics of both austenitic and ferritic steels, offering high strength and superior resistance to corrosion. It is ideal for use in chemical and marine environments where stress corrosion cracking resistance is crucial. SS Super Duplex Steel: Super duplex steel, such as 2507, provides a combination of high strength and excellent corrosion resistance, especially in harsh environments. It is highly resistant to pitting and stress corrosion cracking, making it ideal for demanding applications in the oil, gas, and marine industries. Key Features of DIN 2527 Blind Flanges: Material Variety: DIN 2527 blind flanges are available in different materials, including carbon steel, mild steel, stainless steel, alloy steel, and special alloys like Inconel or Duplex steel, offering a wide range of options to meet the needs of different environments, temperatures, and pressures. Pressure and Temperature Ratings: These flanges are available in different pressure ratings such as PN6, PN10, PN16, PN25, and PN40, ensuring they can withstand the required pressures for various industrial applications. Dimensional Standards: The DIN 2527 standard ensures precise dimensional accuracy, allowing for reliable sealing and easy installation in piping systems. These flanges are available in various nominal diameters, typically ranging from DN10 (1/2 inch) to DN600 (24 inches) or more, depending on the system requirements.

DIN 2527 Carbon Steel (C.S.) Blind Flanges are designed to seal the ends of pipes or vessels in industrial piping systems where no further connection is required. These blind flanges are made from carbon steel, which is known for its strength, durability, and cost-effectiveness. The DIN 2527 standard ensures that these flanges meet precise dimensional and mechanical requirements for reliability under various industrial conditions. Material Composition of Carbon Steel (C.S.) Blind Flanges: The material used in DIN 2527 carbon steel blind flanges typically includes carbon steel grades like St 37, St 52, or A105, which are commonly used for pressure-containing parts in piping systems. The general composition of carbon steel includes: Carbon (C): 0.05% to 0.25% – Provides strength and hardness. Manganese (Mn): 0.30% to 0.90% – Enhances toughness and strength. Silicon (Si): 0.10% to 0.60% – Adds strength and hardness. Phosphorus (P): Up to 0.04% – Ensures better toughness and workability. Sulfur (S): Up to 0.05% – Keeps the material ductile and machinable. Iron (Fe): The remainder of the material – Makes up the base composition. These carbon steel grades provide excellent mechanical properties, such as strength, ductility, and weldability, making them suitable for a wide range of applications in moderate temperature and pressure environments. Key Features of DIN 2527 Carbon Steel Blind Flanges: Temperature and Pressure Resistance: Operating Temperature: Carbon steel can withstand temperatures up to 400°C (752°F) without significant degradation. It is ideal for moderate temperature applications. Pressure Tolerance: DIN 2527 carbon steel blind flanges come with pressure ratings such as PN6, PN10, PN16, PN25, and higher, ensuring they can safely handle pressure in piping systems. Corrosion Resistance: Carbon steel is not highly resistant to corrosion, especially in moisture, chlorides, or acidic environments. To enhance the corrosion resistance, these flanges can be galvanized or coated (with zinc or paint), which helps in increasing their durability in mildly corrosive environments. Strength and Durability: Carbon steel offers high strength and good toughness under moderate stress and pressure conditions. It is stronger than mild steel, providing a reliable seal for general industrial use. Dimensional Accuracy and Pressure Class: The DIN 2527 standard ensures precise dimensional accuracy, enabling easy and reliable installation. Carbon steel blind flanges come in different pressure ratings like PN6, PN10, PN16, and PN25, providing flexibility based on the system's pressure requirements. Design and Types of DIN 2527 Carbon Steel Blind Flanges: Standard Blind Flange (Type A): A solid circular flange used for general isolation of pipeline sections where no further connection is needed. Flat-Faced Blind Flange: This flange features a flat sealing surface, making it suitable for low-pressure systems or applications where a tight seal is not required. Raised Face Blind Flange: Has a raised surface for a better seal in medium-to-high-pressure systems, where the flange is bolted to a matching raised face of another flange. Ring-Type Joint (RTJ) Blind Flange: Used in high-pressure systems, this flange has a groove that holds an RTJ gasket, offering a superior seal under high-pressure conditions. Long Weld Neck Blind Flange: Features an extended neck for welding to the pipe, providing additional strength and making it suitable for high-pressure or high-stress applications. Nominal Diameter: Available in a wide range of nominal diameters (e.g., DN10, DN50, DN150, DN600), ensuring compatibility with different pipe sizes and system requirements.

DIN 2527 Mild Steel Blind Flanges are specialized components designed to seal the ends of pipes or vessels in industrial piping systems where no further connection is required. These flanges, made from mild steel, are used in a wide range of applications due to the material's strength, cost-effectiveness, and ease of fabrication. The DIN 2527 standard ensures that these flanges meet the highest specifications for dimensional accuracy, pressure tolerance, and mechanical strength, making them ideal for general-purpose sealing in various industries. Material Composition of Mild Steel (MS) Flanges: Mild steel, or low-carbon steel, is commonly used for manufacturing DIN 2527 blind flanges. The composition of mild steel typically includes: Carbon (C): 0.05% to 0.25% – Provides strength while ensuring ductility and ease of welding. Manganese (Mn): 0.30% to 0.90% – Enhances strength and hardenability. Silicon (Si): 0.10% to 0.60% – Contributes to deoxidation and strength. Phosphorus (P): Up to 0.04% – Low phosphorus content ensures better toughness. Sulfur (S): Up to 0.05% – Low sulfur content to avoid brittleness. Iron (Fe): The remaining composition – Mild steel is primarily iron. This composition provides a cost-effective material with good weldability, formability, and mechanical properties for most non-corrosive applications. Key Features of DIN 2527 Mild Steel Blind Flanges: Temperature and Pressure Resistance: Operating Temperature: While mild steel doesn't handle extreme temperatures as well as superalloys like Inconel, it is suitable for moderate temperature environments where temperatures do not exceed around 300°C (572°F). Pressure Tolerance: DIN 2527 mild steel blind flanges are available in standard pressure ratings, such as PN6, PN10, PN16, and higher pressure classes depending on the application. These pressure ratings ensure the flanges are safe and durable under normal industrial pressures. Dimensional Accuracy and Pressure Class: The DIN 2527 standard ensures precise dimensional accuracy of mild steel blind flanges, making them easy to install in piping systems. These flanges are available in various sizes and thicknesses, with flanges designed to meet specific pressure classes such as PN6, PN10, PN16, PN25, and PN40, depending on the application. Design and Types of DIN 2527 Mild Steel Blind Flanges: Standard Blind Flange (Type A): A solid, circular flange ideal for general applications where no further connection is required. It provides a simple and reliable seal for pipeline isolation. Flat-Faced Blind Flange: Features a flat sealing surface, suitable for low-pressure systems or applications with minimal sealing requirements. It is typically used in systems where the flange is bolted directly to a flat mating surface. Raised Face Blind Flange: Has a raised surface to improve sealing performance under higher pressure applications. This type ensures a tighter seal and is ideal for medium-to-high-pressure systems. Ring-Type Joint (RTJ) Blind Flange: Designed for high-pressure systems, it has a groove that holds an RTJ gasket. This design ensures a high-pressure seal and is often used in critical applications where pressure integrity is essential. Long Weld Neck Blind Flange: Features an extended neck for welding to the pipe, offering additional strength and stability. It is used in high-pressure or stressed systems that require the flange to be securely welded to the pipeline. Nominal Diameter: Available in a wide range of nominal diameters (e.g., DN10, DN50, DN150, DN600, DN1000), to accommodate different pipe sizes and system requirements.