SDRLF series filter is composed of two single Bowl filters and a 2-posi-tion 6-way directional valve. It is simple in construction and easy to use. There is a by-pass valve and a contamination indicator in it, forprotecting the hydrau lic system safety.
The feature of thisfilterallows continues operation even during element is changed forwhich is clogged by contaminants. After opening the balance valve and then turn the directional valve, theotherfilterbegins to work; the clogged element should be changed in time.
This series filter is widely used in the hydraulic systems of heavy-duty mi- ningand metallurgical machines.