Flow rate (at atm. pressure)





mbar abs.



bar g

KNF N 920 APEW (for worldwide use)
High Suction Speed in the Low-Vacuum Range

The powerful N 920 vacuum pumps are ideal for all applications in need of high suction power yet low absolute pressures. A number of technical innovations, including the KNF Stabilization System, enable strong suction performance, especially in the low vacuum range.

Adjustable Flow Rate

Optionally, the delivery of N 920 series pumps can be adjusted by external signal input or an integrated potentiometer.

Motor Data
TypeN 920 APDC-B

With Brushless DC motor

N 920 APE-W

With multi-voltage power supply input

Protection classIP 00IP 20
Voltage V24100–240
Frequencies Hz50–60
Power P1 W100120
Imax A4.2*1.3

*Starting current temporary 200 ms: 7 A

A Wide Variety of Possibilities

Typical applications include analysis, chemistry, medicine, and production technologies. Notably, the N 920 series can be used as the roughing pump for turbomolecular systems.

For larger flow rate, please refer to the N 940.5 AP-Series. Feel free to contact us to learn more about KNF OEM solutions.

    • Multi-voltage power supply input (N 920 APE-W)
    • Manifold block head eliminates external connections
    • Cool and eficient brushless motor
    • Quiet running
    • KNF Stabilization System – Optimized suction speed, also for low absolute pressures
    • Can operate in any installed position
    • High level of gas tightness, approx. 6×10-3 mbar × l/s (not tested in serial production)
    • Pump head: Aluminum
    • Diaphragm: EPDM
    • Valves: EPDM

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Vacuum Pumps and Compressors


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