[Class : 7] Butterfly Valves Being Parts Of Machines; Parts Of Oilfield Wellhead Machines, Namely, Gate Valves, Ball Valves, Check Valves, Plug Valves, Globe Valves, Choke And Manifold Industrial Pumps, Steam Traps; Valves Being Parts Of Machines Operated Pneumatically And By Air; Safety Valves [Parts Of Machines]; Pump And Valve Parts, Pipe Fittings And Flanges; All Types ...