AWWA C223-19
Fabricated Steel and Stainless Steel Tapping Sleeves
standard by American Water Works Association, 05/01/2019
Full Description
The purpose of this standard is to provide minimum requirements for stainless steel and ductile-iron body knife gate valves with resilient and metal seats, including tapping knife gate valves, for use in water, wastewater, and reclaimed water systems, including materials, design, testing, rejection, marking, and shipping.