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Flat fan nozzles

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Application overview

  • belt cleaning
  • coating
  • steam cleaning
  • degreasing
  • high pressure cleaning
  • gravel washing
  • cooling
  • surface treatment
  • phosphating
  • rain curtains
  • foam control, foam spraying
  • lubrication
  • filter cleaning
  • spray cleaning
  • washing processes

 

Lechler flat fan nozzles stand for uniform liquid and distribution. Particularly high energy jets are generated with spray angles up to 60°.

Nozzles with small flow rates are especially suited for humidifying and spraying in general. The flow geometry of the nozzle allows to produce accurate, compact jets, available with different distribution patterns.

Basically, Lechler flat fan nozzles are designed for parabolic liquid distribution. Unaffected by transient pressures, they are suited for universal application. Their performance data are exactly defined. Operational values, such as flow rates, spray width, jet thickness and liquid distribution are readily available for a great variety of feed pressures. There are also special-design nozzles with rectangular or trapezoidal distribution of liquid.


Simple and cost-saving fixing attachments, as for instance dove-tail guides and eyelet clamps, considerably facilitate assembling and aligning of the nozzles.

For all cleaning operations, in steelmaking and in many other fields of surface treatment, in short, wherever powerful, uniform water jets are required, Lechler flat fan nozzles constitute a decisive basis for achieving reliable process results.

 

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Arrangement of nozzles
Example of a total liquid distribution

 

 

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The tongue-type nozzle design represents a special kind of flat fan nozzle

With this nozzle type, the flat fan spray pattern is produced by a solid stream, impinging upon and deflecting from an outside deflector plate. As a result, a powerful, sharply delimited flat jet is shaped.

The deflector plate has the form of a tongue, which determines the spray angle formation. Due to large free cross-sections, tongue-type nozzles are particularly clog-proof.

 

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