ASA 900 Raised Face Blind Flange ASTM A105

ASA 900 Raised Face Blind Flange ASTM A105

The ASA  900 Raised Face Blind Flange ASTM A105 is a forged carbon steel piping component built to perform in industrial environments. With no bore, it provides a complete and reliable termination for pipes, valves, and pressure vessel openings, making it the go-to solution when a line needs to be securely capped without compromise.
Rated at 900LB class, this flange carries one of the highest pressure temperature ratings available in standard forged flanges, making it well-suited for the extreme operating conditions found in oil, gas, petrochemical, and power generation applications. The raised face design isn't just a structural detail—it serves a critical function, concentrating clamping force directly onto the gasket to produce a tighter, more secure seal. Paired with spiral wound gaskets, this sealing performance is elevated even further, delivering reliable leak prevention under sustained high-pressure loads.
Manufactured to the ASTM A105 standard for forged carbon steel, the flange offers consistent material integrity and traceability qualities.

Summary: 

• 900 LB Class for high pressure/temperature ratings
• Raised Face for a tighter more secure seal
• ASTM A105 specification for forged carbon steel
• Generally used with spiral wound gaskets