Automatic valves; Control valves for regulating the flow of gases and liquids; Electromagnetic solenoids in the nature of coils, valves; Electronic valves for controlling gas or fluids; Expansion valves for fluid control; Fitted noise reduction holed plates for control valves used in regulating the flow of gases and liquids; Pneumatic and hydraulic directional control valves for use in automated production machinery; Pressure switches and sensors for monitoring, controlling, and switching hyd...