The FES(E) proportional throttle valve, cartridge type, for block mounting, offers nominal sizes from 25 to 63, 3X series, with a maximum pressure of 315 bar and a flow rate of up to 1800 L/min. It has an electrically positioned diaphragm piston, allowing bidirectional flow and automatic shut-off in case of electrical failure. Available with external or integrated control electronics, it is ideal for compensated flow regulation.