Recommended for air, water, oil, gas and mud service to 10,000 psi / 15,000 psi CWP. Unions are manufactured from forging steels in accordance with service requirements. The seal protects the secondary metal to metal seal from corrosion and limits fluid flow turbulence; seal material in accordance with service applications. All union nuts have 3 hammer lugs. Butt weld ends are standard. Threaded ends can be provided in accordance with API 5B. Design methodology and marking are in accordance with API 16C last edition. All unions are supplied with full trace-ability documentation for each component.
For detailed information, download the document below: