Keyword Abbreviations

Sizes and Diameters (inches)

  • 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, 2, 2-1/2, 3, 3-1/2, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, etc.

Wall Thicknesses

  • Standard = STD, Extra Heavy = XH, Double Extra Heavy = XXH
  • Schedules = S10, S40, S80, S120, S160

Flanges = FLG

  • Raised-Face = RF, Flat-Face= FF, Weld-Neck = WN
  • Threaded = THRD, Socket Weld = SW

Fittings

  • Forged Steel = FS, Malleable Iron = MI
  • Threaded = THRD, Socket Weld = SW
  • 90 Elbow = 90 ELL, 45 Elbow = 45 ELL, Long Radius = LR, Short Radius = SR
  • Cross = CROSS, Tee = TEE, Coupling = CPLG, Bushing = BUSH, Hex Plug = HEX
  • Reducing = RED, Concentric = CONC, Eccentric = ECC

Pipe

  • Seamless = SMLS, Continuous Weld = CW, Electric Resistance Weld = ERW
  • Single Random Length = SRL, Double Random Length = DRL
  • Plain End = PE, Beveled End = BE, Threaded & Coupled = T&C
  • Black = BLK, Galvanized = GALV

Olets

  • Weldolet = WOL, Threadolet = TOL, Sockolet = SOL, Elbowlet = EOL