- See also WK84149 proposed withdrawal
- See also WK84608 proposed reapproval
D2466-23 Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40
- See also WK88509 proposed revision
D2467-20 Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80
- See also WK88510 proposed revision
D2609-24 Standard Specification for Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe
- See also WK88855 proposed revision
D2749-22 Standard Symbols for Dimensions of Plastic Pipe Fittings
- See also WK81846 proposed reinstatement
- See also WK88373 proposed revision
- See also WK88856 proposed revision
- See also WK88857 proposed revision
- See also WK84088 proposed revision
- See also WK10401 proposed revision
- See also WK81687 proposed revision
F1498-08(2020) Standard Specification for Taper Pipe Threads 60° for Thermoplastic Pipe and Fittings
- See also WK87664 proposed revision
- See also WK89871 proposed revision
- See also WK90553 proposed revision
- See also WK88929 proposed revision
- See also WK78362 proposed revision
- See also WK89597 proposed withdrawal
- See also WK89994 proposed withdrawal
- See also WK88479 proposed revision
F2206-19 Standard Specification for Fabricated Fittings of Butt-Fused Polyethylene (PE)
- See also WK89997 proposed reapproval
- See also WK76932 proposed revision
- See also WK90426 proposed revision
F3525/F3525M-21 Standard Specification Fabricated Fittings of Crosslinkable Polyethylene (CX-PE)
WK63070 Polyethylene (PE) Saddle Fittings for Vacuum-Assisted Heat Fusion Joining to Polyethylene (PE) Plastic Pipe
WK75153 Polyethylene (PE) Pressure Pipe Bends (Elbows) in Nominal Diameters 8-inch to 36-inch (219mm 915mm), Fabricated From Thick Wall Gore-Pipe by Heat Fusion Joining of Miter-cut or Machined Segments, or by Thermo-Forging