HYDAC "R" type return line filter elements, featuring multi-layered Betamicron® BN4HC glass fiber media, offer reliable filtration from 1 µm to 20 µm with collapse stability up to 20 bar, ensuring high contamination retention and flow efficiency in hydraulic systems operating between -30 °C and +100 °C.
Key Features:
Filtration: 1 µm to 20 µm
Filter Size: 30 to 2600
Collapse stability: up to 20 bar
"R" type elements are used in return line filters, e.g. in the series RF, RFD, RFM, RFL, RFLD, RFM, NF, NFD.
Filter media: Glass fiber, multi-layered with support
Flow direction: From outside to inside
General Function:
Type "R" return line filter elements to fit return line filter series NF, NFD, RF, RFD, RFL, RFLD, RFM. Installed in the return line, on top of or within the oil tank they filter the hydraulic oil before it flows back into the reservoir. This ensures that contamination arising in the components does not get into the tank.
HYDAC Return Line Filter elements maintain the targeted purity class like pressure filters. However, because of their arrangement, they do not fulfil the additional function of a protection filter. In contrast to a pressure filter, it only has to withstand low pressure levels The 3 stage structure of the betamicron filter element ensures maximum contamination retention and filtration performance. An additional drainage layer directs the fluid flow with optimal efficiency, achieving particularly favourable Δp/Q characteristics. An innovative bonding process used for the longitudinal seam guarantees that the cut ends of the mesh pack remain completely sealed even under high load variations. This eliminates the possibility of particles crossing from the contaminated to the clean side. The metal tube which forms a stable core inside the element is constructed as a spiral lock seam tube. This provides consistent stability and a significant reduction in element weight.
Please note that there has been a conversion from Betamicron® (BN4HC / BH4HC) to Optimicron® (ON)
