
Double Studded Adaptors (DSA)
API 6A double studded adaptors (DSA) for connecting wellhead components with mismatched flange sizes or pressure ratings. Forged alloy steel body with dual studded end connections for compact wellhead stack assembly. Available in straight, reducing, and block configurations. Full material traceability with EN 10204 3.1 certification. NACE MR-01-75 compliant for sour service. OEM manufacturer with factory-direct pricing and custom sizes available.
Specifications
| Specification | Value |
|---|---|
| Working Pressure | 2,000 – 15,000 PSI |
| Size Range | 2-1/16" – 21-1/4" |
| Material | AISI 4130 / F22 Forged Alloy Steel |
| Standard | API 6A |
| Configurations | Straight, Reducing, Block Type |
| Flange Type | 6B / 6BX (top & bottom independently configurable) |
| Sour Service | NACE MR-01-75 (Material Class CC–HH) |
| Standard | API 6A |
| Category | Fittings |