What is one advantage of pneumatic systems over hydraulic systems?

One key advantage of pneumatic systems over hydraulic systems is that they are generally cleaner. Pneumatic systems utilize compressed air as their working fluid, which does not pose the same environmental risks as hydraulic fluids that can leak and create contamination issues. Because air is a readily available and non-toxic resource, pneumatic systems tend to produce less mess and can be easier to maintain in a clean working environment. This characteristic makes them suitable for applications where cleanliness is critical, such as in food processing or medical equipment.

In contrast, hydraulic systems, which rely on oil or other fluids, have the potential for leakage, leading to spills that can be hazardous and require stringent cleanup procedures. This fundamental difference in the working medium emphasizes the cleanliness advantage of pneumatics.