Incoloy 825 Blind Flange ASME B16.5 4”
📄 Product Description:
The Incoloy 825 Blind Flange, manufactured in accordance with ASME B16.5, is a corrosion-resistant alloy flange used to terminate the end of a piping system. Fabricated from Incoloy 825 (UNS N08825), a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium, this 4-inch flange is engineered for superior performance in highly corrosive environments such as sulfuric and phosphoric acid handling.
Material: Incoloy 825 (UNS N08825)
Standard: ASME B16.5
Size: 4" (DN100)
Flange Type: Blind Flange (used to seal pipe ends)
Pressure Rating: Available in Class 150 / 300 / 600 / 900 / 1500 (based on need)
Corrosion Resistance: Outstanding resistance to acidic, oxidizing, and reducing environments
🛠️ Key Features:
Manufactured from Incoloy 825, offering excellent resistance to sulfuric, phosphoric, nitric, and organic acids
Blind design provides a solid plate to block the flow, used for inspection or future system expansion
Fully compliant with ASME B16.5, ensuring interchangeability with other standard components
Superior pitting, crevice corrosion, and stress-corrosion cracking resistance
Good mechanical properties from cryogenic to moderate high temperatures
🔍 Typical Applications:
Chemical processing and acid production plants
Oil and gas industry, including offshore platforms
Pollution control equipment
Nuclear and marine systems
Pickling equipment and heat exchangers
📊 Technical Data:
| Specification | Description |
|---|---|
| Material | Incoloy 825 (UNS N08825) |
| Standard | ASME B16.5 |
| Size | 4" (DN100) |
| Flange Type | Blind Flange |
| Pressure Class | Class 150 / 300 / 600 (optional) |
| Face Type | Raised Face (RF) / Flat Face (FF) available |
| Max Temperature | Up to ~540°C (1000°F) |
| Applications | Acidic environments, marine, chemical plants |
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