VS 851 interchangable vessel performs liquid odorant storage, transportation and supply of odorizing systems. The interchangeable vessel has stainless steel structure and is available in the following storage capacities: 50, 100, 200 liters. The vessel is connected to the liquid odorant supply installation, respectively to the odorizing system by means of quick connect couples. The liquid odorant is transferred from the vessel by means of a pressure inert gas.