Stainless Steel Blind Flanges are solid pieces designed to seal the ends of piping systems, valves, or openings in pressure vessels, ensuring that flow is completely isolated. Crafted with precision, these flanges provide excellent sealing capabilities, strength, and resistance to corrosion. They’re perfect for situations where maintenance, inspections, or modifications to the system are necessary. Thanks to their sturdy construction, they can handle high pressure and temperature, making them a great fit for tough industrial settings. You can find Stainless Steel Blind Flanges in a variety of grades, sizes, and pressure classes to suit different operational needs.
These flanges are mainly made from chromium and nickel, with other elements like molybdenum, carbon, or nitrogen added based on the specific grade. This blend boosts their corrosion resistance, strength, and overall durability. On a mechanical level, they showcase high tensile strength, impressive hardness, and good resistance to deformation when under pressure. Their solid design guarantees top-notch performance in high-pressure systems, while the stainless steel material helps prevent oxidation, pitting, and stress corrosion cracking. These properties make them perfect for sealing and isolation tasks in challenging environments.
| 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 their place in various industries, including oil and gas, petrochemicals, chemical processing, water treatment, and power generation. They play a crucial role in shutting off sections of pipelines during maintenance or repairs and are commonly used in pressure vessels, heat exchangers, and storage tanks for secure closures. In offshore and marine settings, their corrosion resistance ensures they remain reliable over time. Additionally, these flanges are utilized in food processing, pharmaceutical systems, and other areas where hygiene and leak-proof performance are essential. Their versatility and durability make them a go-to choice for many applications.
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