VarioClean – NOx on a steel frame
VarioClean – NOx in the cabinet

VarioClean – NOx denitrification system

The powerful starter system.

Lechler VarioClean – NOx is the entry-level system for the SNCR process. Standardized units with fixed components allow for affordable pricing, all while maintaining Lechler’s famous high quality standard.

Technical data (pdf, 333 KB)
Lechler Process Technology
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Included with delivery are a valve skid unit including pumps and fittings for media control as well as individual modules enabling the lance levels to be connected and disconnected. The components of the valve skid unit are connected with pipes and assembled on a compact base frame including all brackets. Assembling in a two-door closed cabinet is also possible as an option.


  • „„Two sizes
  • „Reducing agent injection quantities of 0,005 - 1,0 m³/h or 1,0 – 2,7 m³/h
  • „Frequency-controlled pumps with magnetic couplings (duplicated)
  • Permanently technically sealed in accordance with DIN EN 1127-1
  • Optional integrated gas detector
  • Integrated drip tray
  • Nach DIN EN 12952-14 Röntgenprüfung von 10 % aller validierbaren Schweißnähte
  • „3.1 material certificates in accordance with DIN EN 10204
  • Integrated flush connection
  • „Integrated air flushing for non-active levels
  • „Standardized technical documents for simple implementation in higherlevel operating documentation

Application areas

SNCR process

Denitrification DeNOx SNCR

Cement industry

Cement industry