Return Tank Top / Suction Filter

TANK TOP RETURN FILTER

Hydac tank top return filters are highly versatile and used across a wide range of filtration applications at up to 100° C.

Tank Top Return Filter | RFM-Series

  • Nominal pressure: 10 bar
  • Temperature range: -30° C to 100° C (short-term: -40 °C)
  • Material of filter head: aluminium
  • Material of filter bowl: polyamide (except 210, 270)
  • Material of cover plate: polyamide
  • Type of clogging indicator: VMF Connection thread G 1/8 (return line indication)
  • Pressure setting of the clogging indicator: P 2 bar (others on request)
  • Bypass cracking pressure: 3 bar (others on request)

Tank Top Return Filter | RF-Series

  • Nominal pressure:
    • RF 30, 2500 to 15000: 10 bar
    • RF 450 and 580: 16 bar
  • Temperature range: -10° C to 100° C
  • Material of filter housing and cover plate:
    • RF 60 to 580: Aluminium
    • RF 660 to 1300: EN-GJS-400-15
  • Type of clogging indicator: VR Connection thread G ½ (return line indicator up to 25 bar operating pressure)
  • VM Differential pressure indicator only for: RF 450 and 580
  • Pressure setting of clogging indicator: 2 bar (others on request)
  • Bypass cracking pressure: 3 bar (others on request)

Tank Top Return Filter | RKM-Series

  • Nominal pressure: Suction operation
  • Temperature range: -10 °C to +100 °C
  • Material of housing and cover plate: aluminium; GGG40
  • Filter head: aluminium
  • Filter bowl: polyamide; steel
  • Filter head: aluminium
  • Filter mesh: wire mesh
  • End caps: polyamide
  • Central tube: steel, zinc-plated; or on request
  • Type of clogging indicator: VR Connection thread G ½ V1/4 Conn. thread NPT (only SFF)
  • Pressure setting of the clogging indicator: 0.2 to 2 bar (others on request)
  • Bypass cracking pressure: 0.25 bar - 0.3 bar (others on request)
  • Cracking pressure of bypass valve for 0.2 bar suction filter elements S (optional)

DUPLEX RETURN FILTER

Designed for operation at 25 bar and in temperatures of up to 100° C, duplex return filters from Hydac provide longer service life and improved functionality.

Duplex Tank-top Return Filter | RFD-Series

  • Nominal pressure: 25 bar
  • Temperature range: -10° C to 100° C
  • Material of filter housing and cover plate: EN-GJS-400-15
  • Type of clogging indicator: VR Connection thread G ½ (return line indicator up to 25 bar operating pressure)
  • Pressure setting of the clogging indicator: 2 bar (others on request)
  • Bypass cracking pressure: 3 bar (others on request)

Duplex Pressure Filter | NFD-Series

  • Nominal pressure: 25 bar
  • Max. operating pressure: 30 bar at max. 106 cycles
  • Temperature range: -10° C to 100° C
  • Material of filter head, tube and cover plate: Aluminium
  • Material of change-over valve: EN-GJS-400-15 elbow and connection piece
  • Type of clogging indicator: VM (differential pressure measurement)
  • 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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