Ключевые слова: adjustment, antimixing, ball, ball valve, bellows, capacity, control unit, diaphragm pneumatic actuator, double seal, doubleseat, engineering, factory, food industry, high pressure, management, manual control, manufacture, manufacturing, membrane, metal, modern, piston pneumatic actuator, pneumatic actuator, pressure, spring type, stainless, stainless steel, steel, twoseat, valve, valves,