ASTM A182 Grade F5 alloy steel spectacle blind flanges are specialized components designed for high-temperature and high-pressure applications. They are made from ASTM A182 Grade F5 alloy steel, which provides exceptional strength and durability. Spectacle blind flanges consist of two parts: a solid plate and a blank disc. The solid plate is used to block off a section of the pipe, while the blank disc can be bolted in place to fully seal the pipeline. The design of these flanges allows for easy isolation of sections for maintenance or repair without the need for disassembling the entire piping system. The ASTM A182 Grade F5 specification ensures that these flanges meet stringent standards for performance and reliability, making them suitable for use in industries such as oil and gas, petrochemical, and power generation. They comply with ANSI/ASME B16.5 standards for flange dimensions and pressure ratings.
| Property | Details |
|---|---|
| Material | ASTM A182 Grade F5 Alloy Steel |
| Standards | ANSI/ASME B16.5 |
| Type | Spectacle Blind Flange |
| Flange Dimensions | Custom sizes available |
| Pressure Rating | Class 150, Class 300, Class 600, Class 900, Class 1500 |
| Temperature Rating | Up to 550°C (1022°F) for ASTM A182 Grade F5 |
| Surface Finish | Smooth, precision-machined |
| Design | Solid plate and blank disc design |
| Advantages | Easy isolation of pipeline sections for maintenance |
| Applications | Oil and gas, petrochemical, power generation |
| 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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