API Spec 6A Double Studded Adapter Theaded With A Ring Groove

Product Overview

The API Spec 6A Double Studded Adapter with Threaded Ring Groove is designed for secure and reliable connections in high-pressure wellhead systems. Manufactured from high-strength forged steel, it offers excellent mechanical stability, corrosion resistance, and precision alignment. The threaded ring groove ensures a tight seal and easy integration with compatible flanged or threaded components, supporting safe fluid handling and efficient operation in both onshore and offshore oilfield applications.

Technical Features

1. Pressure Rating: 2,000 – 20,000 PSI
2. Size Range: 2" to 4" (custom sizes available)
3. Material Class: AA – HH, forged high-strength alloy steel
4. Temperature Rating: –46°C to +121°C
5. Connection Type: Hammer union / flange / threaded / welded ends
6. Sealing Type: NBR, HNBR, or FKM seals for H₂S & CO₂ environments
7. Rotation Capability: Full 360° rotation, minimizing mechanical stress
8. Surface Treatment: Anti-corrosion coating for extended service life

Advantages

Allows smooth rotation to prevent pipeline twisting

High sealing reliability under fluctuating pressure

Compatible with standard API hammer unions and adapters

Compact, durable design suitable for onshore and offshore use

Easy assembly, inspection, and maintenance

Applications

1. Oilfield drilling and workover operations
2. Wellhead and choke manifold flowline systems
3. Fracturing, cementing, and acidizing units
4. High-pressure transfer lines for mud, gas, or cement
5. Testing and production facilities requiring flexible pipeline connections