Double Studded Adapter (DSA)

  • Standards: API 6A, NACE MR0175, ISO 9001, ISO14001, ANSI.
  • Traceability: double studded adapter flanges are supplied with full traceability documentation for each component.
  • Service Conditions: General or Sour Services.
  • Application: Wellhead, Manifold, Shipbuilding, Pipe Projects, etc.

Description

Double Studded Adapter Flange (DSAF) or Double Studded Adapter (DSA) is a flange with a through bore and a ring groove on each side, drilled and tapped bolt hole sets on both sides and tapped end studs complete with nuts fitted on both sides. Unlike a spacer, the two sides are usually different in size and/or pressure rating. Double studded adapter flanges are commonly utilized to connect and adapt flanges with different nominal sizes, pressure ratings, and configurations. We also produce and supply other types API 6A flanges, such as threaded flanges, spacer spool flanges, blind flanges, companion flanges, target flanges, test flanges, and adapter spools for all client needs

Techanical Specification

DSAF Flange Thickness(mm)
2-1/16” X 5M To 3-1/8” X 5M 70
2-1/16” X 10M To 4-1/16” X 10M 80
3-1/16” X 10M To 4-1/16” X 10M 130
3-1/16” X 10M To 4-1/16” X 5M 80
4-1/16” X 5M To 2-1/16” X 5M 75
4-1/16” X 5M To 3-1/8” X 5M 83
4-1/16” X 2M To 4-1/16” X 5M 80
7-1/16” X 10M To 13-5/8” X10M 170
7-1/16” X 5M To 13-5/8” X 5M 150
11” X 15M To 18-3/4” X 15M 256
11” X 5M To 13-5/8” X 5M 144
13-5/8” X 10M To 11” X 10M 267
13-5/8” X 3M To 16-3/4” X 2M 150
13-5/8” X 10M To 18-3/4” X 15M 256
13-5/8” X 5M To 18-3/4” X 15M 256
18-3/4” X 15M To 20-3/4” X 3M 270
20-3/4” X 3M To 18-3/4” X 15M 256
21-3/4” X 2M To 18-3/4” X 15M 256
21-3/4” X 2M To 18-3/4” X 15M 200
26-3/4” X 3M To 21-3/4” X 2M 200
30” X 3M To 21-3/4” X 2M 175
30” X 1M To 26-3/4” X 3M 200

Other sizes and pressure ratings are available upon request.

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