Historical
AWWA C520-2014
Knife Gate Valve, Sizes 2 In. (50 Mm) Through 92 In. (2,400 Mm)
This standard describes bonneted, bonnetless and one- and two-piece fabricated stainless-steel and cast ductile-iron body knife gate valves with resilient or metal seats, including tapping knife gate valves, for use in water, wastewater, and reclaimed water systems.
CONTENT PROVIDER
AWWA: American Water Works Association [awwa]
AWWA: American Water Works Association [awwa]