Loading arms allow the transfer of fluid to and from a tank through a system created up of pipe, hose, and/ or valves. When transferring a pressurized fluid, a liquid loading arm is needed and sometimes a vent line. Strain check to the whole pipe system to get carried out https://ricardombpdr.laowaiblog.com/34051419/the-2-minute-rule-for-lpg-station-piping-system