Double Studded Adapter (DSA)

DSA is a pressure containing equipment having thread anchored studs with tapped holes end connections of different nominal sizes and /or pressure ratings.

EFS manufactures Double Studded Adapter (DSA) in all API nominal sizes and pressure ratings tested & certified in accordance with API 6A requirements.

Ordering information

  • Nominal Size of Flange.
  • Pressure Rating.
  • Ring groove – Normal or CRA Inlaid
  • Type of Service – H2S
  • PSL Level
  • Material Class
  • Temperature Class
  • Material Grade