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This is a user page for developing the article on Hydraulic Filters.

Filters
Filters are an important part of hydraulic systems. Metal particles are continually produced by mechanical components and need to be removed along with other contaminants such as dirt and water.

Filter Type
Spin-on Filters In-Line Filters T-Filters Breather Filters
 * Self Regenerating is an innovative way to remove moisture without changing the filter often.
 * Pressure Breathers only allow air in and out of the reservoir when required by pressure. This reduces the amount of water that can travel into the reservoir.
 * Disposable Desiccant Breather takes water out of the air, but requires frequent maintenance (changing).
 * Standard Metal Filler Filter Breathers
 * Raised
 * Spin-on breather
 * Bayonet

Strainers Diffusers Pressure Filters Elements

Filter Location
Filters may be positioned in many locations. The filter may be located between the reservoir and the pump intake. Sometimes the filter is located between the pump and the control valves. This arrangement is more expensive, since the filter housing is pressurized, but eliminates cavitation problems and protects the control valve from pump failures. The third common filter location is just before the return line enters the reservoir. This location is relatively insensitive to blockage and does not require a pressurized housing, but contaminants that enter the reservoir from external sources are not filtered until passing through the system at least once.

Filter Failures
Blockage of the filter will cause cavitation and possibly failure of the pump.