Factors to Consider When Choosing A Hydraulic Fluid

Viscosity:

• Stability: The viscosity should remain stable across a wide range of temperatures to ensure consistent performance.
• Optimal Viscosity: It should be neither too thick (causing resistance and inefficiency) nor too thin (leading to inadequate lubrication and sealing).

Lubricating Ability:

• The fluid should provide excellent lubrication to reduce friction and wear on moving parts within the hydraulic system.
• Proper lubrication helps in extending the lifespan of components and maintaining system efficiency.

Thermal Stability:

• The fluid should resist breakdown or degradation at high temperatures.
• It should maintain its properties and performance even under extreme operating conditions, preventing sludge formation and deposits.

Oxidation Resistance:

• Good hydraulic fluid should resist oxidation, which can lead to the formation of acids, sludge, and varnish.
• Oxidation resistance extends the fluid’s service life and protects the hydraulic system from corrosion and deposits.

Water Tolerance & Demulsibility:

• The fluid should have the ability to tolerate small amounts of water without losing performance or causing corrosion.
• Good demulsibility is important to separate water from the fluid quickly, preventing water contamination and related issues such as rust and reduced lubrication.

Selecting the Right Hydraulic Fluid

Additional important characteristics include anti-wear properties, corrosion inhibition, and compatibility with system materials. Selecting the right hydraulic fluid involves balancing these characteristics to match the specific requirements of the hydraulic system in use. If you have any questions, consult with our technical team for assistance.