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Butt Weld & Forged Branch Fittings

High-quality weldolet, sockolet, thredolet (MSS-SP-97) and forged caps for piping systems. 1/2"-24".

JIAJI BW Cap Forged - Butt Weld Cap

BW Cap Forged

Forged butt weld cap. BW connection for pipe ends.

  • Size: 1/2" - 24"
  • Schedule: SCH 10 - XXS
  • Material: SS304/316, Duplex 2205
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JIAJI Weldolet MSS-SP-97

Weldolet (Weld-o-let)

MSS-SP-97 Weldolet. Socket weld branch connection fitting.

  • Size: 1/2" - 24"
  • Type: Weldolet, Sockolet, Thredolet
  • Material: SS304/316, Duplex 2205
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JIAJI Sockolet MSS-SP-97

Sockolet (Socket-o-let)

MSS-SP-97 Sockolet. Socket weld branch connection.

  • Size: 1/2" - 24"
  • Type: MSS-SP-97
  • Material: SS304/316, Duplex 2205
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JIAJI Thredolet MSS-SP-97

Threadolet (Thread-o-let)

MSS-SP-97 Threadolet. NPT threaded branch connection.

  • Size: 1/2" - 24"
  • Type: MSS-SP-97 NPT
  • Material: SS304/316, Duplex 2205
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Related Technical Resources

Deepen your knowledge with our in-depth technical guides written by JIAJI engineers:

Forged Fittings Deep Dive

Socket weld vs threaded vs butt-weld fittings — dimensions, pressure classes & applications.

Read Guide →

Standards & Compliance

ASME B16.5, EN 1092-1, DIN, GB flange & fitting standards explained with comparison tables.

Read Guide →