40 21 00 Liquid Fuel Process Piping
40 21 23.23 No. 2 Fuel-Oil Process Piping
40 21 13Bio Fuels Process Piping40 21 13.13Bioalcohols Process Piping40 21 13.23Biodiesel Fuel Process Piping40 21 13.26Green Diesel Fuel Process Piping40 21 13.33Biomass-to-Liquid (BTL) Fuel Process Piping40 21 13.43Gas-to-Liquid (GTL) Fuel Process Piping40 21 16Gasoline Process Piping40 21 19Diesel Process Piping40 21 23Fuel-Oils Process Piping40 21 23.13No. 1 Fuel-Oil Process Piping40 21 23.23No. 2 Fuel-Oil Process Piping40 21 23.26Kerosene Process Piping40 21 23.29Tar Fuels Process Piping40 21 23.43No. 4 Fuel-Oil Process Piping40 21 23.53No. 5 Fuel-Oil Process Piping40 21 23.63No. 6 Fuel-Oil Process Piping