Longitudinal cut of the BREST-OD-300 reactor facility (Adamov 2020): 1 – core; 2 – block of vessels; 3 – reactor pit; 4 – header pipeline; 5 – core basket; 6 – cooldown system; 7 – instrumentation string; 8 – in-pile refueling machine; 9 – steam generator; 10 – upper plate; 11 – reactor coolant pump; 12 – SG-MCP block; 13 – filter.