What is the pressure range during loading and unloading for Hopper Cars?

The pressure range during loading and unloading for Hopper Cars is indeed 20-80 psi. This specific pressure range is essential for maintaining the integrity and safety of the materials being transported. Hopper cars are designed to transport bulk commodities such as grain, coal, and other materials in granular form.

During the loading and unloading processes, proper pressure must be maintained to ensure that the material flows effectively without causing blockages or spillage. Too low a pressure may not facilitate the movement of the material, while too high a pressure may risk damaging the car or affecting the safety protocols in place.

The choice of 20-80 psi is based on standard industry practices ensuring effective material handling while minimizing risk. Maintaining pressures within this range allows operators to manage the flow and control the dumping processes safely and efficiently. This knowledge is crucial for hazardous material technicians to assess and address any incidents effectively.