Standard Specification for Tracking and Traceability Encoding System of Natural Gas Distribution Components (Pipe, Tubing, Fittings, Valves, and Appurtenances)
Edition 2023

Metal-Seated Gate Valves for Water Supply Service
Edition 2019

Rubber-Seated Butterfly Valves
Edition 2023

Ball Valves, 4 In. Through 60 In. (100 mm Through 1,500 mm)
Edition 2023

Swing-Check Valves for Waterworks Service, 2-In. through 48-In. (50-mm through 1,200-mm) NPS
Edition 2017

Resilient-Seated Gate Valves for Water Supply Service
Edition 2023

Double Check Valve Backflow Prevention Assembly
Edition 2017

Air Release, Air/Vacuum, and Combination Air Valves for Water and Wastewater Service
Edition 2015

Air Valve and Vent Inflow Preventer Assemblies for Potable Water Distribution System and Storage Facilities
Edition 2020

Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service
Edition 2020