Filter to be installed into the return line of a system. The housing is designed for pressures of around 20 to 30 bar.
Return line filters – regardless of the size of the pump flow rate – must be selected according to the largest flow rate present.
This occurs when refluxing a cylinder.
![f8ddef339ba8c869d6be3a845f13461d88bdbfa3 ruecklauffilter_01.gif](/fileadmin/smc/files/f8ddef339ba8c869d6be3a845f13461d88bdbfa3.gif)
with A K = piston surface area,
c R = return velocity.