GAS FLOW DATA Pounds per Hour x 379 = scfh ----------------------- Molecular Weight Pounds per Hour = scfh ----------------------------------- Density in lbs./cu. ft.(std. Cond.) Pounds per Hour x 13.1 = scfh ----------------------- Specific Gravity 1 scfh Air x 0.81 = scfh Propane 1 scfh Air x 0.71 = scfh Butane 1 scfh Air x 1.29 = scfh Natural Gas