Roper pumps are commonly found in the transportation of fats, oils, and greases (FOG) often used in waste removal at food processing facilities and rendering plants to transfer FOG from storage tanks to tanker trucks or other transport vessels for distribution to refineries, biodiesel plants, or other end-users. Additionally, external gear pumps play a crucial role in the biodiesel production process, where they facilitate the transfer of vegetable oils or animal fats into processing equipment for conversion into biodiesel fuel. With their ability to handle viscous fluids , Roper pumps help ensure efficient and reliable transportation of fats, oils, and greases, supporting various industries dependent on these materials.