6. Advantages and Disadvantages of Hydraulic system

6.1 Advantages

The hydraulic system uses incompressible fluid which results in higher efficiency.
It delivers consistent power output which is difficult in pneumatic or mechanical drive systems.
Hydraulic systems employ high density incompressible fluid. Possibility of leakage is less in
hydraulic system as compared to that in pneumatic system. The maintenance cost is less.
These systems perform well in hot environment conditions.

6.2 Disadvantages

The material of storage tank, piping, cylinder and piston can be corroded with the hydraulic fluid. Therefore one must be careful while selecting materials and hydraulic fluid.
The structural weight and size of the system is more which makes it unsuitable for the smaller instruments.
The small impurities in the hydraulic fluid can permanently damage the complete system, therefore one should be careful and suitable filter must be installed.
The leakage of hydraulic fluid is also a critical issue and suitable prevention method and seals must be adopted.
The hydraulic fluids, if not disposed properly, can be harmful to the environment.