Hydraulic fluids have many different properties that are crucial for the oils to perform properly. These characteristics include; the proper viscosity, wear resistance, rust and corrosion protection, and seal compatibility.
At the most fundamental level, there are two kinds of hydraulic directional valves, those that control hydraulic fluid flow by moving a spool within a bore to selectively connect different ports.
The BFPA represents manufacturers, distributors, and users of hydraulic technologies throughout the United Kingdom.
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