Flow rate (at atm. pressure)

Up to




Down to


mbar abs.


Up to


bar g

KNF N 630.1.2 Ex
ATEX-Compliant, Two-Headed Vacuum Pump with Parallel Connections

KNF N 630.1.2 Ex is the ex-proof, two-headed vacuum pump with parallel connections in the N 630 product lineup. This pump is certified in accordance with the ATEX directive, offering many advantages and impressive performance.

Features and Benefits
  • Durable even in heavy-duty environments
  • High chemical resistance
  • High gas tightness up to 5 x 10-5 mbar x l/s as a standard
  • Flame-proof motor with a terminal box
  • Low sound level and minimal vibration
  • Fulfilling the criteria for completed machinery according to directive 2006/42/EC, thus comes with the CE mark

In addition to its ATEX compliance, the N 630.1.2 Ex also offers double diaphragm models for handling aggressive and corrosive media with exceptional safety.

Furthermore, KNF Modular System permits prompt custom-tailored solutions. Please contact us for detailed information.

  • Flow rate l/min at atm. pressure68
    Ultimate vacuum mbar abs.120
    Operating pressure bar g4
    Permissible media temperature °C+5° to +40°C
    Permissible ambient temperature °C+5° to +40°C
    Explosion protection - three-phase motor Ex II 2G Ex de IIC T4 Gb
    Explosion protection - pump parts Ex II 2G Ex h IIB+H2 T3 Gb
    Protection class - motor IP 55
    Protection class - pump IP 20
    • Pump head: stainless steel
    • Diaphragm: PTFE-coated
    • Valves: stainless steel

Related Products

More products available on the category page:

ATEX-Compliant Diaphragm Gas Pumps

Contact Us

Contact Details

Contact Us Top