Are there filter bags suitable for filtering viscous oils in hydraulic systems?

There are filter bags specifically designed to filter viscous oil in hydraulic systems. These filter bags are typically made of materials that can handle high viscosity fluids and provide effective filtration. The following are some of the main functions and types of filter bags suitable for this purpose:

Material: Filter bags used for viscous oil are usually made of materials such as polyester, polypropylene, or nylon, which are durable and can withstand the challenging conditions of filtering viscous liquids.

Micron scale: They come in various micron scales, allowing for filtering of different particle sizes. For hydraulic oil, it is important to choose a micron level that can effectively remove pollutants without limiting the flow rate too much.

Reinforced structure: These filter bags may have reinforced seams and sturdy structures to prevent rupture or tearing under high pressure and flow conditions.

High flow design: Some filter bags are designed to handle high flow without significant pressure drop, making them suitable for hydraulic systems where maintaining flow is crucial.

Chemical compatibility: Ensure that the filter bag material is compatible with the type of oil being filtered to prevent any chemical reactions that may damage the filter or oil.

Surface area: A filter bag with a larger surface area can accommodate more pollutants and provide a longer service life, which is beneficial for systems with high pollution loads.

Manufacturers such as Pall, Eaton, and Parker Hannifin offer a range of filter bags specifically designed for such applications. When selecting filter bags, it is important to consider the specific requirements of the hydraulic system, including the viscosity of the oil, the required level of cleanliness, and operating conditions.