Electric or electromagnetic apparatus for activation, monitoring, controlling and regulating of valves, sliding valves, control valves, taps, and faucets; Electric control valves for gas and fluids; Solenoid valves, electromagnetic switches, mechanical control valves for regulating the flow of fluids; Valves, sliding valves, control valves, taps and faucets, all being parts of machines; Pressure Reducers as part of machines; Power-operated valves, sliding valves, control valves, taps and faucets, all being parts of machines; Hydraulic, pneumatic, electric and electromagnetic drives for valves, sliding valves, taps and faucets, all being parts of machines; Sliding valves, taps and faucets and control valves, all being parts of machines; Pump valves ; Mechanical valves for regulating fluid flow being parts of machines; Fittings for engine boilers; Transmissions for machines; Valves, sliding valves, control valves, not being parts of machines, all made of metal; Hand-operated valves, sliding valves, control valves, not being parts of machines, all made of metal