Delivering high-performance stainless steel blind flanges for industrial applications is the area of expertise for Vinit Stainless, a reputable manufacturer and supplier with headquarters in Chennai, India. These flanges are perfect for use in industries like chemical processing, power generation, oil and gas, and marine engineering because they are made to be strong, long-lasting, and resistant to corrosion. Vinit Stainless provides a large selection of grades, sizes, and customizations to meet specific project requirements thanks to its sophisticated manufacturing capabilities and stringent quality control. Our dedication to quality and client satisfaction is further demonstrated by the fact that every product is designed to satisfy industry standards and is relied upon to deliver reliable performance even in the most demanding settings.
Grades like 304, 316, and 321 are frequently used to make stainless steel blind flanges. These grades are made of iron, molybdenum, nickel (8–14%), chromium (18–20%), and trace elements like silicon and manganese. Particularly in conditions with high temperatures and pressures, these elements provide exceptional resistance to corrosion. Excellent ductility, resistance to oxidation and heat stress, and tensile strength between 500 and 700 MPa are examples of mechanical qualities. For long-term, low-maintenance, and dependable pipe end sealing in crucial industrial applications, their strength and durability make them perfect.
| 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.
When sealing the ends of pipelines, valves, or pressure vessels where future extensions or maintenance may be necessary, stainless steel blind flanges are crucial parts. Blocking flow and enabling system isolation without sacrificing performance is their primary purpose. Power plants, chemical plants, water treatment facilities, and the oil and gas sector all make extensive use of these flanges. Even in the face of extreme temperature and pressure, they offer a safe, leak-proof seal. They also aid in pressure testing, system inspection, and keeping impurities out of the pipeline. They are appropriate for both onshore and offshore settings due to their robustness and corrosion resistance.
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