3" Fig 206 Butt Welded Pup Joint (M x F) – 10 FT | Sch XH Flowline Pipe

The 3" Figure 206 Butt Welded Pup Joint (10 FT) is a highly durable, medium-pressure flowline component engineered for the efficient and secure transport of utility fluids, abrasive drilling mud, and water in rugged oilfield and industrial environments. Measuring a substantial 10 feet in length, this extended-reach straight pipe segment is standard for constructing long-distance surface flowlines, extensive temporary water transfer systems, and heavy-duty suction lines. Upgraded with Schedule XH (Extra Heavy) piping and rated for a reliable 2,000 PSI Cold Working Pressure (2M CWP), this unit offers vastly superior structural integrity and abrasion resistance compared to standard pipes, delivering dependable performance in demanding operations.

What differentiates this pup joint is its robust Butt Welded construction utilizing Schedule XH seamless carbon steel pipe, paired with the enhanced sealing capabilities of the Figure 206 hammer union. It is fabricated by taking thicker-walled Extra Heavy pipe and permanently joining it to forged steel Fig 206 union ends using high-penetration butt welds. The increased wall thickness of the Sch XH pipe significantly extends the service life of this 10-foot joint by resisting internal erosion from abrasive slurries over longer runs.

Configured with industry-standard Figure 206 Male x Female (M x F) hammer union ends, this pup joint ensures rapid, tool-free rig-up using a standard lead hammer. Unlike the Fig 200 union, the Figure 206 incorporates an elastomeric O-ring mounted in the male sub. This provides an essential secondary seal that works in conjunction with the primary precision-machined metal-to-metal seal, ensuring bubble-tight containment even when dealing with slightly corrosive fluids or when minor scratches occur on the metal seating surfaces. Designed for demanding, large-scale utility use, this heavy-wall 10-foot welded pup joint delivers dependable, long-lasting performance.

Features & Benefits

• 2,000 PSI Pressure Rating: Engineered for medium-pressure fluid systems with a highly reliable 2,000 PSI Cold Working Pressure (2M) rating.

• Figure 206 O-Ring Seal: Features a supplemental elastomeric O-ring in the male sub for superior, leak-free sealing compared to standard metal-to-metal only unions.

• Schedule XH Pipe (Extra Heavy): Built using thick-walled Sch XH seamless steel pipe, providing enhanced durability, superior abrasion resistance, and a longer operational lifespan than standard Sch 40.

• Extended 10-Foot Length: Provides long-reach capabilities for efficiently building out flowlines and mud transfer networks over significant distances, severely reducing the total number of connections required.

• Butt Welded Construction: Features full-penetration butt welds connecting the forged union ends to the thick-wall pipe body, ensuring a strong, permanent, and leak-free bond.

• Male x Female (M x F) Connections: Features standard Fig 206 hammer union ends for fast, highly secure integration into existing iron networks.

Specifications & Technical Details

Applications

This upgraded 3" Figure 206 Butt Welded Pup Joint (10 FT) is a versatile, heavy-duty asset for operations requiring dependable medium-pressure fluid routing with added durability and sealing security. Typical applications include the construction of extensive temporary water supply lines across well pads, large-scale abrasive drilling mud circulation surface systems, heavy-duty long-reach suction lines for transfer pumps, wastewater routing, and general utility flowlines where minimizing union connections and maximizing component lifespan over a 2,000 PSI rated line is beneficial.

Quality Assurance

Each butt welded pup joint undergoes strict quality control protocols to ensure operational safety. This includes hydrostatic pressure testing to verify the integrity of the pipe and seals, complete dimensional verification, and rigorous non-destructive examination (NDE) such as Magnetic Particle Inspection (MPI) or ultrasonic testing on the structural butt welds.

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