[Class : 7] Pressure Valves Being Parts Of Machines; Control Valves For Regulating The Flow Of Gases And Liquids [Parts Of Machines]; Pressure Regulating Valves; Pump Control Valves; Valve Actuators, Pneumatic; Valve Actuators, Hydraulic; Valves For Engines; Valve Diaphragms; Valves For Motors; Disc Valves [Parts Of Machines]; Throttle Valves [Parts Of Machines]; Butterfly Valves [Parts Of Machines]; Ventilation Valves [Parts Of Machines]; Pressure Reducing Valves [Parts Of Machines]; Cryogenic Valves Being Parts Of Machines; Proportional Flow Valves As Parts Of Machines; Valves Being Components Of Deep Oil And Gas Well Drilling Equipment.