solenoid valves, namely, electromagnetic switches; valve assemblies comprising various combinations of solenoid valves, namely, electromagnetic switches, piloted piston valves, electronic timers, position indicators and pilot valves in one unit for use in controlling steam, hot water, solvents, and light slurries; drain valve assemblies comprising solenoid valves, namely, electromagnetic switches, piloted piston valves and electronic timers for use in automatically draining condensation in compressed air systems; globe valve assemblies comprising position indicators and solenoid pilot valves for use in controlling steam, hot water, solvents, and light slurries; solenoid valves, namely, dust collector valves, manual reset valves, and pulse valves; automatic isolation valves; automatic electromagnetically operated pinch valves; valve monitoring systems comprising actuators, solenoid valves in the nature of electromagnetic switches, computer network cards, junction boxes, connectors, potentiometers, field bus protocols and reed switches; electric actuators; electronic gas valve actuators for use in indicating the position of a valve; solenoid pilot valves; automatic control valves for the control of fluids; control valves, namely, solenoid operated hydraulic valves; automatic pulse valves; parts and fittings for all of the aforementioned goods