Historical
AWWA C522-2022
Rotary Cone Valves, 6 In. Through 60 In. (150 mm Through 1,500 mm)
The purpose of this standard is to provide the minimum requirements for 6-in. through 60-in. (150-mm through 1,500-mm) rotary cone valves for water, wastewater, and reclaimed water supply service, including material, design, inspection, testing, marking, handling, and packaging for shipment.
AWWA: American Water Works Association [awwa]