A refrigeration apparatus configured to perform a refrigeration cycle in a refrigerant circuit (RC, RC1, RC2, RC3), the refrigeration apparatus comprising: a heat-source-side heat exchanger; a utilization-side heat exchanger; a first shutoff valve (41, 42, 34, 85a) that is disposed in a gas-side refrigerant flow path disposed between the heat-source-side heat exchanger and the utilization-side heat exchanger and that is configured to block flow of refrigerant when fully closed; a second shutoff valve (43, 31, 70, 85b) that is disposed in a liquid-side refrigerant flow path disposed between the heat-source-side heat exchanger and the utilization-side heat exchanger and that is configured to block flow of refrigerant when fully closed; and a pressure adjusting portion (44, 44', 44", 44a) that is configured to adjust a pressure of refrigerant in a utilization-side refrigerant flow path disposed between the first shutoff valve or the second shutoff valve and the utilization-side heat exchanger, wherein the pressure adjusting portion (44, 44', 44", 44a) includes a bypass mechanism (45, 46) that bypasses the refrigerant in the utilization-side refrigerant flow path to a heat-source-side refrigerant flow path disposed between the first shutoff valve or the second shutoff valve and the heat-source-side heat exchanger, wherein the pressure adjusting portion further includes a bypass pipe (P7, P7', P8, P8', P11 to P14) that forms a bypass flow path extending from the utilization-side refrigerant flow path to the heat-source-side refrigerant flow path, and the bypass mechanism is a pressure adjusting valve (45, 46) that is disposed in the bypass flow path characterized in that the pressure adjusting valve (45, 46) is configured to open the bypass flow path when the pressure of the refrigerant in the utilization-side refrigerant flow path becomes higher than or equal to a predetermined reference value. a heat-source-side heat exchanger; a utilization-side heat exchanger; a first shutoff valve (41, 42, 34, 85a) that is disposed in a gas-side refrigerant flow path disposed between the heat-source-side heat exchanger and the utilization-side heat exchanger and that is configured to block flow of refrigerant when fully closed; a second shutoff valve (43, 31, 70, 85b) that is disposed in a liquid-side refrigerant flow path disposed between the heat-source-side heat exchanger and the utilization-side heat exchanger and that is configured to block flow of refrigerant when fully closed; and a pressure adjusting portion (44, 44', 44", 44a) that is configured to adjust a pressure of refrigerant in a utilization-side refrigerant flow path disposed between the first shutoff valve or the second shutoff valve and the utilization-side heat exchanger, wherein the pressure adjusting portion (44, 44', 44", 44a) includes a bypass mechanism (45, 46) that bypasses the refrigerant in the utilization-side refrigerant flow path to a heat-source-side refrigerant flow path disposed between the first shutoff valve or the second shutoff valve and the heat-source-side heat exchanger, wherein the pressure adjusting portion further includes a bypass pipe (P7, P7', P8, P8', P11 to P14) that forms a bypass flow path extending from the utilization-side refrigerant flow path to the heat-source-side refrigerant flow path, and the bypass mechanism is a pressure adjusting valve (45, 46) that is disposed in the bypass flow path characterized in that the pressure adjusting valve (45, 46) is configured to open the bypass flow path when the pressure of the refrigerant in the utilization-side refrigerant flow path becomes higher than or equal to a predetermined reference value.