I’m a beginner and not very familiar with pump selection

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There is a circuit system; inside the reactor, about half is iodine solution and the other half is hydrogen. The highest temperature reached there is 195 degrees, with a pressure of 2 Mpa. There is a gas sampling system in place right after the reaction vessel, and when the pressure inside the vessel is low, a pump with a flow rate of 10 ml/min is required; under these conditions, the temperature can reach up to 195 degrees. There is also a pump that serves as a fluid feeding pump, used to add iodine solution (at room temperature); its flow rate is around 5 L/min, and the solution is fed into the reactor under 2 MPa pressure. There is also a line for drawing out the iodine solution from the bottom of the reaction tank; in this case, the pump should be selected based on conditions of 2 Mpa and 195 degrees inside the reaction tank, with a flow rate of 10 ml/min (an additional line is needed for sampling as well). How should these three pumps be chosen? . . I don’t know what type of pump to choose and what the parameters of the pump should be