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- SINFT
- 2024-05-02 17:13:35
To appropriately size a return line filter, several factors need consideration, especially the maximum flow rate of the return line throughout the entire machine cycle. This is particularly crucial for differential cylinders, where the return flow rate may exceed the pump flow rate.
Return line filters can be installed in two ways: in line or on top of the hydraulic tank. Their selection must account for the operating pressure within this part of the system.
These filters often include a bypass valve to prevent dangerous back pressure in the return line caused by filter element clogging. Additionally, the filter outlet should always be positioned below the fluid level, regardless of operating conditions, to prevent foaming in the tank.
Furthermore, in the case of in-tank assemblies, the return fluid is directed straight down the tube into the reservoir, minimizing potential fluid disturbance.
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