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Full cone nozzles

There is a distinction between axialflow full cone nozzles and tangential full cone nozzles. Tangential full cone nozzles operate without swirl insert and are therefore particularly non-clogging.


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Application overview

  • absorption
  • chemical process
  • engineering
  • chlorine precipitation
  • cleaning
  • cooling
  • desuperheating
  • dust control, foam control
  • fire protection
  • gas treatment, spraying onto mats in air washers, spraying over packings, surface spraying, water treatment



Axial-flow full cone nozzles

Lechler full cone nozzles have an extraordinary uniform liquid distribution over the whole circular impact area.

The high .

The high precision of distribution is achieved by orienting the liquid inlet to the centre of the swirl chamber of the nozzle.

The optimized x-style swirl insert ensures a high operating safety due to its large free cross-sections.

Axial-flow full cone nozzles are available with different spray angles and in many flow rates. Therefore, matching to specific

service conditions is possible without any difficulties.


  • Extremely uniform liquid distribution
  • Wide flow rate range
  • Large number of available spray angles


New at Lechler: Non-clogging: Full cone nozzles Series 490  >>



Tangential-flow full cone nozzles

Tangential-flow full cone nozzles are, for instance, particularly suited for closed-circuit spraying of liquids with a high quota of solid matters, or for fire fighting applications.

The atomizing fluid is tangentially supplied to a swirl chamber, where it is put into rotation.

Tangential-flow full cone nozzles are free of swirl inserts.

Hence, they are not at all prone to clogging. The full cone spray is obtained with the aid of specially arranged grooves, milled into the nozzle bottom, which cause an adequate part of the rotating liquid flow to diverge to the center of the swirl chamber.

Thereby, an extremely uniform area distribution of  the sprayed liquid is achieved.


  • Reliable in service
  • Non-clogging
  • Stable spray angles, unaffected by transient pressures



Cluster Head Nozzles

Lechler cluster head nozzles achieve a very large surface of the sprayed liquid by adding various finely atomizing single nozzles.

Whenever a fine fog-like full cone atomization with relatively large flow rate is necessary, e.g. gas exchange processes, steam cooling or dust suppression, Lechler cluster head nozzles have decisive advantages: overlapping hollow cones form a fine full cone atomization with an increased droplet surface area.

These very fine droplets cannot be achieved by a single-orifice spray nozzle of the same flow rate size.

The increased droplet surface area of the atomized liquid provides great efficiency in gas treatment and cooling applications.



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