'corrosionresistant closures'

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.

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.