How to move gas Step 1: Cool the receiving gas can in ice water or in the freezer for about 15 minutes. Step 2: Turn the valve of the refill adapter clockwise and check that it is completely closed. Step 3: Set the sending gas can and the receiving gas can into the adapter. Step 4: Open the valve of the refill adapter counterclockwise and start refilling the gas.When the valve is opened, gas begins to move due to the pressure difference between both cylinders. You can confirm the movement of gas by the hissing sound. Step 5: After completely closing the adapter valve, remove the sending and receiving cylinders.