Weston Stainless in Midland, UK, is a reliable provider of high-quality stainless steel products like stainless steel blind flanges. The blind flanges are intended to seal the ends of piping systems and deliver a tight, leak-proof closure in high-pressure and high-temperature environments. Made from the finest stainless steel materials like 304, 316, and 321, they are corrosion-resistant, strong, and long-lasting. Come in different sizes and pressure classes, stainless steel blind flanges find extensive applications across oil and gas, petrochemical, marine, and power generation industries with assured and durable performance.
Made mostly of iron, chromium (16-20%), nickel (8-14%), and molybdenum (in 316 grade) for superior corrosion and oxidation resistance. Mechanically, they possess high tensile strength (500-800 MPa), high yield strength (200-450 MPa), and good impact resistance, so they are perfect for high-stress applications. Their physical properties are a density of 7.9 g/cm³, a melting point of approximately 1400°C, and good thermal stability. These characteristics enable stainless steel blind flanges to withstand harsh pressure and temperature environments without compromising their structural integrity.
| 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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Stainless steel blind flanges are utilized in oil and gas, chemical plants, power stations, and water treatment plants as reliable solutions to pipe sealing. They find wide application in marine environments, steam systems, and refineries due to their good corrosion resistance and capacity to hold up under rigorous conditions. They are also employed in food processing, pharmaceutical production, and air conditioning systems as a guarantee for leak-free closure of pipes. Their strength, precision engineering, and durability make them a necessity in industrial piping systems that need secure, long-term sealing solutions.
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.
Mill Test Certificate (MTC) as per EN 10204 3.1/3.2 comes with stainless steel blind flanges to comply with global standards. They go through thorough quality inspection in the form of hydrostatic, pressure, and PMI (Positive Material Identification) testing. Wooden crates, bubble wrap, and personalized protective covers are used in packaging to ensure safety during shipping. Through proper control over a global supply chain, Weston Stainless makes sure to deliver goods on time to match the needs of industries for high-performance blind flanges in crucial applications.
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