SDRLF series lim yog tsim los ntawm ob lub tais lim dej thiab 2-posi-tion 6-txoj kev coj mus rau qhov. Nws yog qhov yooj yim hauv kev tsim kho thiab siv tau yooj yim. Muaj qhov hla dhau lub valve thiab qhov ntsuas kev sib kis hauv nws, tiv thaiv kev nyab xeeb ntawm hydrau lic system.
Cov yam ntxwv ntawm cov ntaub ntawv no txuas ntxiv ua haujlwm txawm tias lub sijhawm hloov pauv rau qhov twg los ntawm cov kab mob ua paug. Tom qab qhib qhov sib npaug valve thiab tom qab ntawd tig lub qhov taw qhia, theotherfilterbegins ua haujlwm; cov khoom sib dhos yuav tsum tau hloov pauv nyob rau lub sijhawm.
Cov lim dej no tau siv dav hauv cov tshuab hydraulic ntawm cov haujlwm hnyav ua haujlwm thiab cov tshuab hlau hlau.