API Standard Tubing Head Spool Carbon Steel For Wellhead Extension
Product Overview
The API Standard Tubing Head Spool is engineered from high-grade carbon steel to provide a robust and reliable extension for wellhead systems. Designed to meet strict API specifications, this spool ensures seamless integration with existing wellhead components while maintaining optimal performance under high-pressure conditions. Its durable construction and precision machining make it ideal for onshore and offshore drilling operations, offering a secure, corrosion-resistant solution for extending wellhead assemblies.
Technical Features
- Pressure Rating: 2,000 – 20,000 PSI
- Size Range: 2" to 4" (custom sizes available)
- Material Class: AA – HH, forged high-strength alloy steel
- Temperature Rating: –46°C to +121°C
- Connection Type: Hammer union / flange / threaded / welded ends
- Sealing Type: NBR, HNBR, or FKM seals for H₂S & CO₂ environments
- Rotation Capability: Full 360° rotation, minimizing mechanical stress
- 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
- Oilfield drilling and workover operations
- Wellhead and choke manifold flowline systems
- Fracturing, cementing, and acidizing units
- High-pressure transfer lines for mud, gas, or cement
- Testing and production facilities requiring flexible pipeline connections
