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Tapping Fittings

Tapping Fittings

STOPPLE® Fittings

STOPPLE® Fittings

STOPPLE® Plus Fittings

STOPPLE® Plus Fittings

Spherical 3-WAY Tees

Spherical 3-WAY Tees

Fittings

Developed through more than 95 years of experience in the pipeline industry, high-pressure fittings from TDW are furnished with patented features that can help operators safely and efficiently repair and maintain high-pressure lines without shutdown or interruption of service.  

All fittings are engineered to work seamlessly with TDW tapping and isolation equipment, including the STOPPLE®plugging machines and STOPPLE Train isolation systems, SHORTSTOPP® plugging machines, and TDW tapping machines.  

STOPPLE Plus fittings, for example, have no side openings in the flange, which reduces potential leak paths and significantly lowers risk when conducting line isolations. In addition, offerings like THREAD-O-RING® fittings provide value for purge and equalization operations, as they can easily accept corrosion test coupons, gauge adapters, instrument probes, and thermometer wells.

Whether for an isolation, bypass, purge and equalization, or blowdown, TDW can provide a high-pressure fitting that helps get the job done quickly, efficiently, and without incident.

Best used for: isolation operations on high-pressure transmission lines.

Key features:

  • THREAD-O-RING fittings can accommodate TDW STOPPLE plugging machines, the T-101 drilling machine, and the 360 tapping machine.
  • A Spherical 3-WAY™ tee can be used to form a high-pressure seal with a tapped opening, allowing operators to safely perform maintenance work on a line without interrupting flow.
  • STOPPLE Plus fittings are furnished with LOCK-O-RING® Plus flanges to accept LOCK-O-RING Plus completion plugs.