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
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