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 Plastic back flow damper / Check valve Clapet anti-retour
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 Plastic back flow damper / Check valve Clapet anti-retour
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    • Bends
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    • Branch outlets
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      • Branch outlet (T-piece) 90° reduced
      • Branch outlet 45°
      • Branch outlet (T-piece) 45° reduced
      • Branch outlet (T-piece) with cleaning orifice
    • Double sockets
    • Reducers
      • Reducer Concentric
      • Reducer asymmetrical
    • Damper valves
      • Damper valve handle socket
      • Damper valve handle flange
      • Damper valve control knob socket
      • Damper valve control knob flange
      • Damper valve control knob socket
      • Damper valve control knob flange gridless
    • Butterfly valves
      • Butterfly valve handle
      • Butterfly valve handle flange
      • Butterfly valve control knob socket
      • Butterfly valve control knob flange
    • Control valves
      • Control valve D1 socket
      • Control valve D2 socket
      • Control valve D1 flange
      • control valve D2 flange
      • Control butterfly valve socket
      • Control butterfly valve flange
    • Flanges
      • Flange socket
      • Flange
      • Blind flange and EPDM gasket
    • Flexible connectors
      • PVC 4-fold
      • PVC 4-fold socket
      • PVC 4-times flange
      • TPE 4-times
      • TPE 4-times socket
      • TPE 4-times flange
      • TPE 6-times
      • TPE 6-times socket
      • TPE 6-times flange
    • Sound attenuators
      • Sound attenuator socket 500
      • Sound attenuator socket 750
      • Sound attenuator socket 1000
      • Sound attenuator socket 1250
      • Sound attenuator socket 1500
      • Sound attenuator socket 1750
      • Sound attenuator socket 2000
      • Sound attenuator flange 500
      • Sound attenuator flange 750
      • Sound attenuator flange 1000
      • Sound attenuator flange 1250
      • Sound attenuator flange 1500
      • Sound attenuator flange 1750
      • Sound attenuator flange 2000
    • Condenser deflector housing
      • Condenser deflector housing socket
      • Condenser deflector housing flange
    • Saddles
      • Saddle 90°
      • Saddle 45°
    • Breech
      • Breech 90°
      • Breech 45°
    • Pipe
      • Pipe 5 mm
      • Pipe 6mm
      • Pipe 8mm
      • Pipe 10mm
      • Pipe 12mm
    • Outlet cowl
      • Outlet cowl socket
      • Outlet cowl flange
    • PVC-spiral coiled tube
    • Inlet/Outlet grille
    • Stacking frame
    • Roof head
      • HoKa Roof head 0°
      • HoKa Roof head 1° -22°
      • HoKa Roof head 23° -45°
    • Back flow damper
      • Back flow damper vertical round
      • Back flow damper vertical square
      • Back flow damper horizontal
    • Shutter valve
    • HoKa Through wall
    • Outlet with grille
    • End cap
    • HoKa Cleaning orifice
    • HoKa Weld rod
    • Duct reinforcement Plastic
    • Slot Valve
      • Slot Valve, round version
      • Slot Valve, rectangular version
      • Slot Valve, round version with connecting piece
      • Slot Valve, rectangular version with connecting piece
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  • Bends
  • Branch outlets
  • Double sockets
  • Reducers
  • Damper valves
  • Butterfly valves
  • Control valves
  • Flanges
  • Flexible connectors
  • Sound attenuators
  • Condenser deflector housing
  • Saddles
  • Breech
  • Pipe
  • Outlet cowl
  • PVC-spiral coiled tube
  • Inlet/Outlet grille
  • Stacking frame
  • Roof head
  • Back flow damper
    • Back flow damper vertical round
    • Back flow damper vertical square
    • Back flow damper horizontal
  • Shutter valve
  • HoKa Through wall
  • Outlet with grille
  • End cap
  • HoKa Cleaning orifice
  • HoKa Weld rod
  • Duct reinforcement Plastic
  • Slot Valve
  • Products
  • Back flow damper

  • Back flow damper vertical
    round

  • Back flow damper vertical
    square

  • Back flow damper
    horizontal

HoKa Gesellschaft für Lüftungsformteile aus Kunststoffen mbH
Phone: +49 (0)2242 / 92 51 0

E-Mail: hoka(at)hoka.de

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according to DIN EN ISO 9001

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