1. Definition:
A Blind Flange is a solid flange used to seal the end of a piping system, valve, or pressure vessel. It does not have a bore (hole) like other flanges and is primarily used to stop the flow or allow easy access for maintenance and inspection.
2. Material:
-
Mild Steel (MS): Provides good strength, durability, and resistance to moderate pressure and temperature, making it cost-effective for industrial applications.
3. Key Features:
-
Seals pipe ends effectively to prevent leakage.
-
Can handle high pressure and temperature depending on the design.
-
Ideal for testing, maintenance, or future system expansions.
-
Easy to install and remove when required.
4. Applications:
-
Oil & gas pipelines
-
Petrochemical and chemical industries
-
Water treatment plants
-
Power plants and pressure vessels
5. Standards & Sizes:
-
Typically available in ANSI/ASME B16.5 standards.
-
Sizes range from 1/2” to 48” depending on requirement.
