A pressure and temperature actuation system adapted for use in cooling a gas turbine; the system, comprising: a high-temperature low-pressure zone and a low-temperature high-pressure zone, a gas being located in both of the high-temperature low-pressure zone and the low-temperature high-pressure zone, the gas located in the high-temperature low-pressure zone having a greater gas temperature than the gas located in the low-temperature high-pressure zone, and the gas located in the low-temperature high-pressure zone having a greater gas pressure than the gas located in the high-temperature low-pressure zone; a boundary separating the high-temperature low-pressure zone from the low-temperature high pressure zone; a pressure actuated mechanism located within the boundary and configured for opening at a specified gas pressure in one of the low-temperature high-pressure zone and the high-temperature low-pressure zone, wherein opening the pressure actuated mechanism allows for gas to escape from the low-temperature high-pressure zone into the high-temperature low-pressure zone; and a temperature actuated mechanism located within the boundary and configured for opening at a specified gas temperature in one of the low-temperature high-pressure zone, the high-temperature low-pressure zone, and a pressure differential between the low-temperature high-pressure zone and the high-temperature low-pressure zone, wherein opening the temperature actuated mechanism allows for the gas located in the low-temperature high-pressure zone to enter the high-temperature low-pressure zone, and a cooling flow being provided to the high-temperature low pressure zone as the gas travels from the low-temperature high-pressure zone to the high-temperature low pressure zone. a high-temperature low-pressure zone and a low-temperature high-pressure zone, a gas being located in both of the high-temperature low-pressure zone and the low-temperature high-pressure zone, the gas located in the high-temperature low-pressure zone having a greater gas temperature than the gas located in the low-temperature high-pressure zone, and the gas located in the low-temperature high-pressure zone having a greater gas pressure than the gas located in the high-temperature low-pressure zone; a boundary separating the high-temperature low-pressure zone from the low-temperature high pressure zone; a pressure actuated mechanism located within the boundary and configured for opening at a specified gas pressure in one of the low-temperature high-pressure zone and the high-temperature low-pressure zone, wherein opening the pressure actuated mechanism allows for gas to escape from the low-temperature high-pressure zone into the high-temperature low-pressure zone; and a temperature actuated mechanism located within the boundary and configured for opening at a specified gas temperature in one of the low-temperature high-pressure zone, the high-temperature low-pressure zone, and a pressure differential between the low-temperature high-pressure zone and the high-temperature low-pressure zone, wherein opening the temperature actuated mechanism allows for the gas located in the low-temperature high-pressure zone to enter the high-temperature low-pressure zone, and a cooling flow being provided to the high-temperature low pressure zone as the gas travels from the low-temperature high-pressure zone to the high-temperature low pressure zone.