Country and language selection

International websites


Americas / Oceania

Africa and Middle East

Asia / Pacific

Hya-Duo D FL Compact Pressure booster system
Pressure booster system

Hya-Duo D FL Compact

Fully automatic ready-to-connect break tank package booster set for fire fighting, comprising one duty system and one stand-by system to ensure system redundancy. The system is started and stopped as a function of pressure. Design and function as per DIN 14462.
See all documents and downloads

Main Applications

  • Fire-fighting systems to DIN 14462

Technical Data

  • Max. head160 m
  • Min. head30 m
  • Max. allowed working pressure16 bar
  • Max. allowed fluid temperature70 °C

Your KSB contact: We’re here to support you

Do you need any assistance finding the right material number?
We’ll soon provide a list so you can directly place your purchase order.
Meanwhile please contact our support:

Your local contact

Your KSB contact : We’re here to support you


  • Ready to connect due to standardised dimensions
  • Design to DIN 14462 ensures reliable operation in the event of fire.
  • Hygienic separation of drinking water and fire-fighting water eliminates any risk of contamination.


  • H46A_2831451915-1_1

Technical Data

  • Connection typeFlange
  • Drive conceptWith electric actuator
  • Max. flow rate36 m3/h
  • Min. flow rate0.1 m3/h
  • Max. head160 m
  • Min. head30 m
  • Mains frequency50 Hz
  • Mains voltage400 V
  • Casing materialX5CRNI18-10
  • Nominal pressurePN 16
  • Max. allowed working pressure16 bar
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature70 °C
  • Min. allowed fluid temperature0 °C

Characteristic curves

  • Download
  • Download
  • Download


TitleFormatSizeLast change
2-page product description Hya-Solo/Duo (1951.024_EN)PDF0.694/22/2021
TitleFormatSizeLast change
TitleFormatSizeLast change
AS5 (2317.8233_EN)PDF1.434/19/2021
HYA-DUO D FL COMPACT (1968.81_EN)PDF3.574/19/2021
TitleFormatSizeLast change
Zubehör Druckerhöhung/Feuerlöschanlagen (1954.5_EN)PDF22.694/19/2021
Hya-Duo D FL Compact (1968.51_EN)PDF2.134/19/2021
TitleFormatSizeLast change