Electromechanical assist pumps do not require which component?

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Electromechanical assist pumps regulate flow through the pump’s own variable displacement and electronic control, so a separate flow control valve isn’t needed. The pump adjusts its output to match steering demand and operating conditions, making throttling a separate valve unnecessary. The reservoir is still required to supply fluid and allow for expansion, the pressure relief valve protects the system from overpressure, and a check valve prevents reverse flow when the pump isn’t delivering fluid. So the component not required is the flow control valve.