DAS26miles wrote:
Charts say my 5 gallon tank 80% filled at 70 degrees has a pressure of 95psi and the main tankat 50% at 50 degrees will be 46 psi. 50psi difference. That's vapor but should be the entire tank right?
I'm not sure what the question is here. The pressure is the same everywhere in the tank (well, ignoring mostly theoretical differences due to the flow of gas, which is immaterial here), and that pressure is the vapor pressure of the propane at the temperature in the tank. The difference in pressures is due to the temperature difference only.
Using propane, particularly at a relatively high rate, will cause the temperature in the propane tank to go down as the liquid propane evaporates to become gas.
