Hydraulic vs. Pneumatic Systems Comparison

"Hydraulic or pneumatic?" is actually the wrong question; the right question is "what force and precision does this application need?" They aren't competitors - they're two different tools built for different jobs.

1. The Force Density Gap

Hydraulic systems run at high pressure, so they produce many times more force than pneumatics at the same cylinder bore. In a press or heavy lifting application, hydraulics do the same job with a much smaller cylinder.

1.1. Why Pneumatics Can't Match That Pressure

Air is a compressible fluid; going much higher than 6-10 bar disproportionately raises both energy cost and safety risk. Pneumatics are built for speed and simplicity, not high force.

• Speed: pneumatic cylinders move much faster thanks to low inertia
• Precision: hydraulics give much more stable control because oil is incompressible
• Maintenance Risk: an oil leak carries environmental/safety risk; an air leak is just energy waste

"Most large plants actually use both together: hydraulics run the heavy presses, pneumatics run fast transfer and assembly stations."

— BRS PROSES Engineering Team

2. BRS Proses Technology Selection Support

• Hydraulic/pneumatic/hybrid recommendation based on application
• Force and precision requirement analysis
• Cost and maintenance regime comparison
• Hybrid system design support