Return Filters

Return Filters
Return Filters
Return Filters
Return Filters
Return Filters
Return Filters
Return Filters
Return Filters
Return Filters
Return Filters
Return Filters
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The return filters are designed for fine filtration of the return oil in hydraulic systems. They can keep the return oil clean by removing the outside contaminants or progressive contamination caused by the wear of components, such as fibers, slag, rubber particles of sealing wear and metal particles of parts wear.

Features
  • The return filters can be directly mounted on the oil tank top or the pipeline.
  • This return filter is equipped with clogging indicator and bypass valve to improve the safety and reliability of the hydraulic system. Once the fluid inlet pressure turns into 0.35Mpa, which caused by the clogging of the filter element, flow pulsation or low temperature of the hydraulic fluid, the clogging indicator will send a signal for cleaning the filter element or improving the fluid temperature. If these problems haven’t been solved in time, the bypass valve will automatically open (opening pressure: 0.4MPa).
  • The fiberglass filter element features high filtration rating, large flow rate, low pressure drop and high dirt holding capacity. The filtration rating is rated by filtration ratio and efficiency. (ISO standard: filtration ratio β: 3, 5, 10, 20 >200; filtration efficiency n≥99.5%)
Technical Specifications
  • Flow rate: 60L/min;
  • Operating pressure: 0.7MPa;
  • Opening pressure of bypass valve: 0.25MPa;
  • Filtration rating: 20um
Model Specifications
Filter Model Nominal Flow Rate (L/min) Filtration Rating (μm) Diameter(mm) Pressure Drop(MPa) Clogging Indicator Weight (Kg) Filter Element Model
Initial Max. (V) (A)
RF-60×*L- 60 1 3 5 10 20 30 20 ≦0.07 0.35 12 24 36 220 2.5 2 1.5 0.25 0.4 HL0060R*BN/HC
RF-110×*L- 110 0.9 HL00110R*BN/HC
RF-160×*L- 160 40 1.1 HL001600R*BN/HC
RF-240×*L- 240 1.8 HL00240R*BN/HC
RF-330×*L- 330 50 2.3 HL00330R*BN/HC
RF-500×*L- 500 3.2 HL00500R*BN/HC
RF-660×*L- 660 80 4.1 HL00660R*BN/HC
RF-850×*L- 850 13 HL00850R*BN/HC
RF-950×*L- 950 90 20 HL00950R*BN/HC
RF-1300×*L- 1300 100 41.5 HL001300R*BN/HC
Connections
Model Dimensions(mm)
B1 L L1 h D1 H D d M B M1 t1 m t3 DN
RF-60×*L- 90 166 92 11 φ80 34 φ100 φ5.5 M27×2 48 M27×2 16
RF-110×*L- 233 159 M33×2 M33×2
RF-160×*L- 120 209 120 11 φ106 40 φ135 φ7 M48×2 66 M48×2 20
RF-240×*L- 268 179 M48×2 M48×2
RF-330×*L- 152 271 138 13 φ135 63 φ170 φ9 M60×2 85 M60×2 27
RF-330×*F- M60×2 M12 23 φ50
RF-500×*F- 351 218
RF-660×*F- 411 243 13 φ175 83 φ220 φ13.5 110 M16 22 φ80
RF-850×*F- 492 324
RF-950×*F- 449 251 14 φ208 93 φ290 φ17.5 135 22 φ90
RF-1300×*F- 573 332 121 145 φ100
RF Outer dimensions
ELEMENT PRESSURE DROP(△P)AGAINST FLOW CURVES
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