Flow rate (at atm. pressure)

2 × 1.3


Pressure head



Suction height, self priming



KNF NFB 100 KNDC-B4 Liquid Pump
Half the Pulsation

The NFB 100 is a standout from KNF’s NFB liquid diaphragm pump series. The two-headed, “boxer-style” design enables high flow rates (up to 2×1.3 l/min) while maintaining half the pulsation of a single-headed pump.

Handling Two Different Liquids Simultaneously

Featuring two pump heads driven by one single motor, the NFB 100 liquid handling pump produces a smooth, adjustable flow. Moreover, it can be used to transfer two different liquids at the same time, thereby eliminating the need for a second pump.

Precise and Flexible

Driven by a modifiable brushless DC motor, the flow rate of the NFB pumps can be regulated and matched to the specific performance parameters in your system.

The KNF Modular System permits an optimal solution for your application. Contact us to learn more.

    • Self-priming and excellent for pressure
    • Drying running, durable and maintenance-free
    • PTFE, PVDF and FFKM are used in head materials, allowing almost all neutral or corrosive liquids to be pumped
  • Flow rate l/min at atm. pressure2 × 1.3
    Voltage V12 / 24 V
    Motor protectionIP 30
    Power rating W15 / 15
    I max load. A1.25 / 0.63
    I max A1.50 / 0.75
    EMV Guideline EN 55011, EN 55022, EN 61000-4-3
    Weight g640 g

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