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Stainless Steel Butt Weld Union — High-Pressure Pipe Fittings
Stainless Steel Butt Weld Union

Stainless Steel Butt Weld Union

Our stainless steel butt weld unions are precision-engineered for permanent, welded connections between pipes. These three-piece fittings allow for easy disassembly of the pipeline for maintenance or equipment replacement, providing a secure and seamless joint ideal for high-pressure and high-temperature industrial systems.

Technical Specifications

Fitting Type Butt Weld Union (3-Piece)
Size Range 1/8" to 4"
Material Stainless Steel (ASTM A182 / A403)
Connection Butt Weld (Beveled Ends)

Available Material Grades

SS 304 / 1.4301 SS 304L / 1.4307 SS 316 / 1.4401 SS 316L / 1.4404

Common Applications

  • High-Pressure Lines: Leak-proof joining for extreme fluid pressure.

  • Industrial Piping: Maintenance-heavy systems requiring frequent disassembly.

  • Chemical Processing: Permanent welds with the flexibility of a mechanical union.

  • Pharmaceutical & Food: Sanitary-ready permanent piping configurations.

  • Marine & Offshore: Corrosion-resistant joining for shipboard infrastructure.