I am located in Corpus Christi, TX and we do see pressures as high as 220 PSIG on a hot summer afternoon, but the vessel is good for as much as 275 PSIG.
A little contamination of methane / nitrogen would be acceptable at the pump suction assuming it doesn't impact the fluids vapor pressure to...
I want to increase the rates for a propane system that uses a bullet for storage at ambient temperature in equilibrium (the bullet pressure floats with ambient conditions). The increased rates will require more NPSHa than I have with the current system for a single pump according to the curves...