Propane Tank Pressure Psi

According to the national standards publication nfpa58 a propane tank with 20 pounds 5 gal of gas at 70 f would have a pressure of 145 psi.
Propane tank pressure psi. How much pressure is in my propane tank. Dozyant 2 pack upgraded propane gas pressure gauge for 5 to 40lb propane tank with type 1 connection accurate at different temperatures black 26 99 26. What lp gas pressure in psi is needed for a propane fired outdoor grill. At 90 f pressure would increase to 180 psi.
The manufacturer said that i need to get a high pressure regulator. This is a component that fits between the tank to the rest of the system and it takes the fuel coming out of the tank at a high pressure or psi and brings it down to a manageable flow. Pressure in a propane tank can range between 100 and 200 psi and even higher if the tank is in the sun. For example a standard 20 pound propane tank at 70 degrees will have 145 psi internal pressure.
Aug 20 2014 nicky said. The grill needs an 11 water column. Portable propane tank located in a separate compartment. According to the publication nfpa58 a tank with 20 pounds of gas at 70 f has a pressure of 145 psi at 90 f would have 180 psi at 105 f would have 235 psi and at 130 f would have 315 psi.
Propane pressure levels exceeding 200 psi are likely to trigger a release from the safety relief valve commonly installed on propane storage tanks. At 105 f pressure continues to rise to 235 psi and at 130 f pressures of 315 psi would be reached. A 20lb 9kg propane tank has the same propane tank pressure in psi as larger propane tanks at a given temperature. That same tank on a 100 degree day will have 172 psi of pressure.
The pressure is then reduced and regulated to 6 ounces for residential use at the home camper motor home or outdoor appliances by a low pressure regulator either on the tank or nearby. To regulate the propane pressure your rv has a two stage propane regulator. My propane tank and regulator ice up and the propane output is dropping.