| Quality | Hydraulic systems are prone to leakage of contaminating fluid and therefore are fundamentally environmentally unfriendly. | Electromechanical are enviormentally Friendly |
| Reliability | Hydraulic systems are involve large number of parts,so compare to Electro-mechanical its not that much Reliable | Electro-mechanical systems are simpler and involve fewer parts so are inherently more reliable. |
| Maintenance | If not maintained properly, hydraulic systems will run low on fluid which will render them inoperable and may damage or destroy components. | This is not an issue for electromechanical systems which require no routine servicing. |
| Performance | The viscosity of hydraulic fluid may vary with temperature, contamination etc. giving rise to performance inconsistencies over time. | Compare to Hydraulic ,electromechanical will not Vary that much with temprature ,Contamination etc… |
| Costs | The motors employed in hydraulic are not that much substantial compare to electromechanical.Small, much cheaper high speed motors are often used in hydraulic systems because the fluid acts as a “gearing” medium. | The motors employed in electromechanical are necessarily more substantial than for hydraulic systems. Mass production, driven by strong demand has rendered electromechanical systems less expensive. |
| Ease Of Use | These are generally not easier to install,Integrate as compare to Hydraulic | The operating principles of electromechanical systems are obvious and they are generally easier to install being integrated in design and function. |
| Components | There is not a single part immeresed in oil bath,Including motor also | In electromechanical systems, all moving parts are immersed in an oil bath, including the motor. |
| Noise Levels | Difference in perceptible noise may be acceptable when new but will become more marked in hydraulic systems as components wear. | High quality electromechanical systems are invariably quieter than their hydraulic equivalent. |
| Operational Response | The current sensing circuit will react as quickly as fluid flows through the pipe work. | The current sensing circuits used in the latest electromechanical systems are more reliable and much faster acting than hydraulic relief valves |
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