Andre Stainless is a major manufacturer and supplier of Stainless Steel Spectacle Blind Flanges in Pulau Ujong, Singapore. We focus on providing high-quality flanges that meet international standards and suit various industrial uses. Our commitment to quality, durability, and precise engineering allows our products to serve the petrochemical, power generation, and process industries effectively. Our skilled team ensures each flange meets strict specifications, guaranteeing reliable performance even in harsh conditions. Trusted throughout Singapore, we deliver on time, offer competitive prices, and provide tailored solutions to fit the unique needs of every project.
Stainless Steel Spectacle Blind Flanges are usually made from 304, 304L, 316, or 316L stainless steel. They comprise chromium (18–20%), nickel (8–12%), and molybdenum (2–3% in 316 grade), which provides corrosion resistance. Their mechanical properties include tensile strength between 515–620 MPa and yield strength from 205–290 MPa, along with an elongation of about 30–35%. These characteristics allow the flanges to function effectively under high pressure and temperature. The material also offers strong weldability and toughness, making it suitable for challenging chemical and marine environments.
| Size | 1/2″ to 48″ |
| Standards | MSS SP44, ASA, ANSI B16.47 Series A & B, ANSI B16.5, API-605, AWWA, Custom Drawings. |
| Pressure Ratings | PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Pressure class | 150#, 300#, 600#, 1500# |
| Dimensions | BS3293, Table D, E, F, & H, ANSI, PN6, 10, 16, 25, 64 BS10, BS4504, MSS- SP-44, DIN Standards |
| Flange Face Type Manufacturer | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Coating/Surface Treatment | Oil Black Paint, Yellow Transparent, Anti-rust Paint, Zinc Plated, Cold and Hot Dip Galvanized. |
| Test | Hydrostatic testing machine, X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector |
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Contact us to get a quick quote for your requirement.
We ensure complete transparency for our Stainless Steel Spectacle Blind Flanges with top-quality assurance. Every order is accompanied by essential documentation, including a commercial invoice, packing list, fumigation certificate, heat treatment chart, and a NABL-approved lab test report. We provide Material Test Certificates as per EN 10204/3.1b, PMI Test Certificates, 100% radiography test reports, and Third-Party Inspection Certificates. Our comprehensive documentation is meticulously organized to guarantee maximum client satisfaction.
When selecting a stainless steel spectacle blind flange, consider factors such as pressure rating, temperature resistance, corrosion resistance, and compatibility with the system’s fluid and mechanical conditions. Additionally, ensure the flange material aligns with the specific environmental and industrial requirements.
Yes, you can order Stainless Steel Spectacle Blind Flange in custom sizes and polishes to meet your specific requirements. For more details, mail us at sales@andrestainless.com
Stainless Steel Spectacle Blind Flanges typically do not require corrosion protection coatings due to their inherent corrosion resistance. However, in highly corrosive environments, additional coatings may be applied for enhanced protection.
Stainless Steel Spectacle Blind Flanges are commonly used in systems that require piping isolation during maintenance or inspection. They are often found in chemical processing plants, refineries, oil and gas pipelines, and power stations, allowing safe disconnection of sections without interrupting the main system. These flanges provide a visual confirmation of whether they are open or closed, which is critical for safety. Because of their corrosion resistance and strength, they are ideal for offshore and marine applications. They also excel in high-pressure steam, condensate, and gas transmission systems where maintenance is frequent.
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