Thread-O-Ring Fittings

Tread o Ring Fittings

TDW THREAD-O-RING™ fittings can be used as purge and/or equalization fittings in a variety of hot tapping and plugging applications. They are available in two sizes, 2-inch and 3-inch, and are mainly used with the T-101 drilling machine. They can also be used with the 360 tapping machine.

THREAD-O-RING fittings can be installed during new construction or used for blowdown connections, either upstream or downstream of block valves. The 2-inch fittings have a maximum working operating pressure of 248 bar (3,600 psi) and will easily accept test coupons, gauge adapters, instrument probes, thermometer wells, and TDW PIG-SIG® pig passage indicators. The 3-inch THREAD-O-RING fittings have a maximum operating pressure of 103 bar (1,500 psi).

Key features:

  • Maximum operating temperature of 82°C (180°F).
  • Fittings come equipped with a cap, O-ring, plug, and nipple.
  • Can be used for blow down of isolated pipe sections after double STOPPLE or STOPPLE® Train operations.

*Attention valued customers, TDW is currently in the process of updating designs of various product lines and families. Product part numbers may change. Please contact your local TDW representative to verify. Thank you for your cooperation.

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