Hydraulic Fluid Selection: Factors to Consider for Your Specific Equipment

May 8, 2024

Uncover the factors to consider when selecting hydraulic fluid for your equipment. With Broda Hose’s help, ensure longevity with the right fluid choice.

Hydraulic fluids are one of the components of hydraulic systems that can ensure their smooth operation and longevity. These systems are primarily the backbone of many industrial and mobile equipment since they power machinery with precision and efficiency. Selecting the appropriate hydraulic fluid for your equipment, however, is crucial to its performance and reliability.

With the expertise and experience of Broda Hose, we can help you choose and provide the right hydraulic fluid for your application and make informed decisions.

Key Roles of Hydraulic Fluid

When pressure is applied to the fluid within a closed system, it transfers force to the actuators, causing them to move and perform mechanical work. The fluid’s ability to flow easily through narrow passages and transfer pressure evenly ensures smooth and precise operation of hydraulic components.

Additionally, hydraulic fluid provides lubrication to reduce friction and wear on system parts, dissipates heat generated during operation to prevent overheating, and offers corrosion protection to safeguard against component degradation. Its unique properties, including viscosity, temperature stability, and compatibility with system materials, are carefully engineered to maintain optimal performance and reliability in a wide range of operating conditions.

Hydraulic fluid comes in various formulations, each tailored to specific operating conditions, equipment types, and performance requirements. it can be utilised in engines, electric motors, and hydraulic actuators like cylinders or motors.

Picking Your Hydraulic Fluid 

Numerous factors must be considered when picking your hydraulic fluid. Some of them are as follows.

•  Viscosity: Viscosity is a critical factor in hydraulic fluid selection. Choosing the correct viscosity ensures proper lubrication and efficient power transmission within the hydraulic system. Factors like operating temperature, pressure, and load conditions influence viscosity requirements, with manufacturers providing viscosity grade recommendations for optimal performance.

•  Temperature Range: Hydraulic systems operate in a wide range of temperatures, from extreme cold to high heat environments. Selecting a hydraulic fluid with the appropriate temperature viscosity characteristics ensures consistent performance and protection against viscosity breakdown, fluid thinning, or thickening under varying temperature conditions.

•  Additive Package: Hydraulic fluids may contain additives to enhance their performance and longevity. Anti-wear additives reduce friction and wear on system components, while anti-foaming agents prevent air entrainment and foam formation. Moreover, corrosion inhibitors, oxidation stabilisers, and viscosity index improvers may be included to maintain fluid integrity.

•  Compatibility: Compatibility between the hydraulic fluid and system materials is essential to prevent degradation, seal swelling, or component damage. You must consult equipment manufacturer specifications and guidelines to ensure compatibility with seals, hoses, valves, and other hydraulic system components.

•  Environmental Considerations: Environmental factors such as exposure to water, contaminants, and operating conditions influence hydraulic fluid selection. Environmentally-friendly hydraulic fluids may be preferred for applications where spills or leaks pose environmental risks.

Selecting the right hydraulic fluid is crucial for maintaining the performance, reliability, and longevity of hydraulic systems in industrial and mobile equipment. By considering the previously stated factors, you can ensure optimal performance and minimise the risk of downtime, repairs, and premature component failure. Consult with Broda Hose today to gain valuable insights and guidance in the hydraulic fluid selection, helping you make informed decisions to boost equipment productivity and efficiency.

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