ASTM A182 Grade F11 alloy steel spectacle blind flanges are used to isolate or close off sections of piping systems. These flanges are manufactured from F11 alloy steel, which offers excellent strength and high-temperature resistance. The spectacle blind design features two metal discs—one solid and one with an opening—mounted on a single piece. This design allows for easy and efficient isolation of piping systems without the need for additional gaskets or bolting. The solid disc blocks flow, while the open disc can be used for future inspection or maintenance. The F11 alloy steel provides durability and reliability in demanding environments, making these flanges suitable for industries such as petrochemical, power generation, and chemical processing.
| Property | Details |
|---|---|
| Material | Grade F11 Alloy Steel |
| Standards | ASTM A182, ANSI/ASME B16.48 |
| Type | Spectacle Blind Flange |
| Dimensions | Custom sizes available |
| Pressure Rating | Class 150, Class 300, Class 600, Class 900, Class 1500 |
| Temperature Rating | Up to 593°C (1100°F) for Grade F11 |
| Surface Finish | Smooth, precision-machined |
| Design | Spectacle design with solid and open discs |
| Applications | Petrochemical, chemical processing, power generation |
| Advantages | Easy isolation, efficient maintenance, durable |
| Function | Blocks flow; isolates piping systems; allows inspection |
| Manufacturing | Precision-machined for accurate dimensions |
| Ordering Information | Specify material grade, size, pressure class |
| Suppliers | McMaster-Carr, Grainger, Swagelok, Penn Stainless Products |
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