Standard Pressure Filters (Hydac)

With up to 420 bars of working pressure, the Hydac range of pressure filters is suitable for light, medium and heavy-duty applications. Available exclusively from Hytec Fluid Technology (HFT), this range is available with expert advice and application knowledge from Africa's leading hydraulics supplier.

Scroll down to view more detailed spec on each filter.

Pressure Filter | DF-Series

  • Nominal pressure:
    • DF...M A/MHA/MHE: 250 bar
    • DF...Q E: 315 bar
  • Fatigue strength:
    • 106 cycles (DF...M A/DF...Q E)
    • 108 cycles (DF...MHA/DF...MHE) from 0 to nominal pressure (for other pressures, see graph, Point 1.8)
  • Temperature range:
    • -10° C to 100° C
    • (-30° C to -10° C: pmax = 0.5 x nom. press.)
  • Material of filter head:
    • EN-GJS-400-15 (DF...M A/DF...Q E)
    • ADI (DF...MHA/DF...MHE)
  • Material of filter bowl: Steel
  • Type of clogging indicator: VD (differential pressure measurement up to 420 bar operating pressure)
  • Pressure setting of the clogging indicator: 5 bar (others on request)
  • Cracking pressure of bypass (optional): 6 bar (only DF...M A / Q E)

Pressure Filter | FLN-Series

  • Nominal pressure: 25 bar
  • Fatigue strength: At nominal
  • pressure 106 cycles from 0 to nominal pressure
  • Temperature range: -30° C to 100° C
  • Material of filter head: Aluminium
  • Material of filter bowl: Aluminium
  • Type of indicator:
    • VM (Diff. pressure indicator up to 210 bar operating pressure)
    • VD (Diff. pressure indicator up to 420 bar operating pressure – only for types LE and LZ)
  • Pressure setting of the clogging indicator: 5 bar (others on request)
  • Bypass cracking pressure (optional): 3.5 bar or 7 bar (others on request)

Pressure Filter | LPF-Series

  • Nominal pressure:
    • LPF 35, 55: 40 bar
    • LPF 160, 240, 260, 280: 50 bar
  • Fatigue strength at nominal pressure:
    • 106 load cycles from 0 to nominal pressure
    • LPF 35 and 55: 107 load cycles at 40 bar
  • Temperature range: -30° C to 100° C
  • Material of filter head: Aluminium
  • Material of filter bowl: Aluminium
  • Type of indicator:
    • VM (Diff. pressure indicator up to 210 bar operating pressure)
    • VL (Diff. pressure indicator up to 40 bar operating pressure - only BF indicator)
  • Pressure setting of clogging indicator: 5 bar (others on request)
  • Cracking press. bypass valve (optional): 6 bar (LPF 160 - 280) 7 bar (LPF 35 - 55) others on request

Pressure Filter | MDF-Series

  • Nominal pressure: 210 bar or 280 bar
  • Fatigue strength min.: 5 million cycles at 1.2 times nominal pressure
  • Temperature range:
    • -30° C to 100° C
    • -30° C to -10° C: pmax= 140 bar)
  • Material of filter head: EN-GJS-400-15
  • Material of filter bowl: Steel
  • Type of indicator:
    • VM (Diff. pressure indicator up to 210 bar operating pressure)
    • VD (Diff. pressure indicator up to 420 bar operating pressure)
  • Pressure setting of the clogging indicator: 5 bar (others on request)
  • Bypass cracking pressure (optional): 6 bar (others on request)

Pressure Filter | LF-Series

  • Nominal pressure: 100 bar
  • Fatigue resistance: At nominal pressure 106 cycles from 0 to nominal pressure (for other pressures see diagram)
  • Temperature range: -30° C to 100° C
  • Pressure setting: Δpa 5 bar
  • Type of clogging indicator: VM
  • Material of filter head: Aluminium
  • Material of filter bowl: Aluminium (size 660: steel)
  • Cracking pressure of bypass valve: 6 bar
  • Sizes: 30, 60, 110, 160, 240, 330, 660

Pressure Filter | RFL-Series

  • Nominal pressure:
    • 25 bar
    • 40 bar (RFL 662 to 1322 acc. to AD)
  • Temperature range: -10° C to 100° C
  • Material of filter housing and cover plate:
    • EN-GJS-400-15 : RFL 661 to 1321
    • GP 240 GH+N : RFL 662 to 1322
    • 1.4581/4571 : RFL 853
    • On RFL 1321 and 1322 the extension is in steel!
  • Type of clogging indicator: VM (differential pressure measurement up to 210 bar operating pressure)
  • Pressure setting of the clogging indicator: 2 bar (others on request)
  • Bypass cracking pressure: 3 bar (others on request)

Speak to our filtration technology division about your factory automation requirements.

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