4" FIG 206 Hammer Union Assembly - NACE MR 0175 standard

The 4" FIG 206 Hammer Union Assembly – NACE MR0175 is a high-performance, sour-service-rated pressure connection engineered for demanding oil & gas, well-servicing, refinery, and pipeline applications. Designed for low-pressure flowlines and temporary piping, this hammer union delivers fast, secure, and leak-tight connections even in harsh, corrosive environments.

Manufactured from NACE-compliant materials to resist hydrogen sulphide (H₂S) sulphide stress cracking, this assembly is fully suitable for sweet and sour service, ensuring long-term operational reliability and safety. The FIG 206 configuration provides a union-to-line style connection, ideally suited for low-pressure air, water, mud, and oil service.

✅ Key Features & Benefits

• NACE MR0175 / ISO 15156 Compliant – Approved for sour gas & corrosive environments

• FIG 206 Configuration – Union-style connection for low-pressure systems

• 4-Inch Nominal Bore – High-flow capacity for production and service lines

• Quick Make-Up & Break-Out – Ideal for temporary flowline installations

• Rugged Carbon Steel Construction – Built for harsh field conditions

• Hammer Lug Design – Secure, impact-tightened connection

• Leak-Tight Sealing – Metal-to-metal sealing for dependable performance