Piping Related Abbreviations (T)

TBE is an abbreviation of Threaded Both Ends.
Treaded Both Ends means that both ends of e.g. a pipe nipple are threaded.
TOE / POE = Treaded One End / Plain One End
TOE / BOE = Treaded One End / Beveled One End
POE / BOE = Plain One End / Beveled One End
BBE = Beveled Both Ends
PBE = Plain Both Ends

TIG is an abbreviation of Tungsten Inert Gas.
Tungsten Inert Gas welding also known as GTAW is a process that produces an electric arc maintained between a nonconsumable tungsten electrode and the part to be welded.

ToFD is an abbreviation of Time of Flight Diffraction.
Time-of-Flight Diffraction Ultrasonic Testing is among the most modern testing methods for the detection of imperfections and defects in materials. Conventional Ultrasonic Testing uses sound reflection. ToFD testing measures the time-of-flight of an ultrasonic pulse to determine the position of a reflector. The application of this method is fast and extremely accurate. This has resulted in an increasing popularity over the last few years.

TOL is an abbreviation of ThreadOLet.
Threadolet® is a registered name by Bonney Forge Corporation.

TOS is an abbreviation of Top Of Steel.