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The Edwards nES630 Ex is the ATEX version of the single-stage rotary vane pump nES630 with a pumping speed of 640 m³/h at 50 Hz and an ultimate pressure of 0.08 mbar. Internally it is approved for category 2, externally for category 3. Ehrler & Beck advises on selection and service.
3Ph 400 V or 690 V ±10 %, 50 Hz only, ATEX category 2 inside / category 3 outside (selected)
A35818940
Edwards nES630 Ex – ATEX rotary vane pump for high pumping speeds
The nES630 Ex is the explosion-proof version of the nES630. It carries the marking Ex II (i) 2 G b IIB+H2 T3 / (o) 3 GD IIC T3 (T150 °C) (10 °C < Ta < 40 °C) X: internally (in contact with the process gas) category 2 for explosion group IIB including hydrogen, externally category 3 for gases and dusts. The pump delivers 640 m³/h at 50 Hz, reaches 0.08 mbar without gas ballast and, with two gas ballast valves, tolerates up to 60 mbar of water vapour. It is designed for 400 V or 690 V at 50 Hz and weighs 730 kg with oil.
Advice and service
Ehrler & Beck supports you in selection and ATEX-compliant sizing and carries out maintenance and repair.
Edwards nES40 ExPumping speed 38.5 m³/hUltimate pressure 0.5 mbar
