Niazi Stainless is a well-respected manufacturer and supplier based in Manama, Bahrain, known for its top-notch Stainless Steel Blind Flanges. These flanges are crafted to provide complete sealing for pipes while ensuring outstanding durability. They effectively close off the ends of piping systems, allowing for safe operation and easy access for inspections or maintenance. With cutting-edge machining technology and rigorous quality standards, Niazi Stainless’s blind flanges boast excellent corrosion resistance, strength, and leak-proof performance. They’re widely utilized in chemical, petrochemical, water treatment, power generation, and marine sectors, delivering reliable performance even in high-pressure and corrosive settings, all while meeting international industry standards.
Stainless Steel Blind Flanges are generally made from various grades like SS 304, 304L, 316, and 316L, which include chromium, nickel, and molybdenum to enhance their corrosion and chemical resistance. These flanges are known for their high tensile and yield strength, impressive toughness, and resistance to pitting, crevice corrosion, and oxidation. Their robust design allows them to handle high pressure and temperature changes without losing shape. The materials used also ensure good weldability and machinability, making these blind flanges perfect for demanding process systems. Their strong mechanical properties guarantee long-lasting durability and dependable pipe sealing performance.
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Standards | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings. |
| Pressure Ratings | PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Pressure class | 150#, 300#, 600#, 1500# |
| Dimensions and Pressure Ratings for Blind Flanges | MSS- SP-44, BS3293, ANSI, Table D, E, F, & H, BS4504, PN6, 10, 16, 25, 64 BS10, DIN Standards |
| Flange Face Type Manufacturer | Raised Face (RF), Flate Face (FF), Ring Type Joint (RTJ) |
| Coating/Surface Treatment | Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized. |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
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| Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
Blind Flange: -BS, EN, API 6A, ANSI, ASME, DIN, EN1092-1, UNI, JIS/ KS , BS4504, GB, AWWA C207, GOST, PSI
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We provide complete documentation for our Stainless Steel Blind Flanges so that our customers enjoy a seamless experience. Our entire package comprises a commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and an NABL-approved lab test report. We also extend providing test certificates such as MTC, PMI Test Certificates, radiography test reports, and Third-Party Inspection Certificates for our Stainless Steel Blind Flanges. All these accreditations confirm that our products are of high quality and hence reliable and satisfying concerning customer demand.
A Stainless Steel Blind Flange is a solid plate used to seal or close pipeline ends, ensuring leak-proof connections.
They are commonly used in chemical processing, power generation, oil and gas, and marine industries for high-pressure and corrosion-resistant applications.
Yes, they are available in various grades, sizes, and finishes and can be customized to meet specific project requirements.
Documents include commercial invoices, packing lists, MTC, PMI Test Certificates, radiography reports, and Third-Party Inspection Certificates to ensure quality assurance.
Stainless Steel Blind Flanges find extensive use in industries that require secure closure of pipeline ends for safety and maintenance ease. They’re commonly found in oil and gas pipelines, chemical processing facilities, petrochemical plants, and water treatment plants. Power generation facilities utilize them in boiler, heat exchanger, and pressure vessel systems. Their corrosion-resistant nature makes them particularly suitable for marine environments and offshore applications. Additionally, blind flanges are also employed in pharmaceutical industries, ensuring that processes remain safe and efficient.
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