Numbers and Titles



40 05 64.13Metal-Seated Butterfly Valves
40 05 64.16AWWA Resilient-Seated Butterfly Valves
40 05 64.23Metallic Industrial Butterfly Valves
40 05 64.26Plastic Industrial Butterfly Valves
40 05 64.33Butterfly Valves in Air or Gas Service
40 05 64.36High-Performance Butterfly Valves in Air or Gas Service
40 05 64.43Dampers for Corrosive Gas Service