Water-pipe valves of metal, namely, butterfly valves of metal for use with fluids and for controlling fluid flow; clack valves of metal, other than parts of machines; manually operated clack valves of metal; flap valves of metal, other than parts of machines; manually operated flap valves of metal; water-pipe valves of metal, namely, metal safety valves for controlling the flow of fluids in pipelines; manually operated metal valves for controlling the flow of fluids; manually operated metal b...