Famhido HD FF is a range of specially filtered mineral-based hydraulic oils available in ISO viscosity grades 46 and 68, formulated with anti-wear and anti-corrosion additives for demanding hydraulic systems where oil cleanliness is critical. These HLP-type oils undergo an additional fine filtration process to meet strict oil cleanliness requirements, making them suitable for precision hydraulic systems with tight tolerances and sensitive servo valves.

The FF (Fine Filtration) designation sets these oils apart from standard hydraulic fluids. Many modern hydraulic systems — particularly those with proportional valves, servo valves, and high-precision actuators — require oil with extremely low particulate contamination levels. Famhido HD FF oils are filtered to meet stringent cleanliness standards, reducing the risk of valve sticking, accelerated component wear, and system malfunctions caused by particulate contamination.

Like all Famhido HD oils, the FF variants provide effective anti-wear protection for the moving elements in vane, axial piston, radial piston, and gear pumps, extending pump service life and maintaining system efficiency. The oils are formulated for excellent material compatibility — they do not adversely affect non-ferrous metal components such as copper, brass, and bronze, and they are compatible with standard rubber and plastic sealing materials, preventing swelling, dissolution, or hardening.

These oils serve as reliable power transmission and motion control fluids in all types of hydraulic systems operating at normal working temperatures. They are also suitable for lubrication of small, lightly loaded enclosed gear transmissions. Famhido HD FF is the ideal choice for CNC machines, injection molding equipment, automated production lines, and other precision industrial systems that demand clean hydraulic fluid for optimal performance and reliability.