Full cone nozzles spray completely within the interior of a circular area. There are two different styles of full cone nozzles: Axial and Tangential. Axial full cone nozzles achieve a uniform distribution of liquid over a circular area. Tangential full cone nozzles have no internal vanes so they are less prone to clogging.
Lechler full cone nozzles have a uniform liquid distribution over the whole circular impact area. The high precision of distribution is achieved by orienting the liquid inlet to the center of the swirl chamber of the nozzle.
Tangential-flow full cone nozzles are suited for spraying liquids with a high amount of particulate matter 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. and less 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.
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 rates is necessary, e.g. gas exchange processes, steam cooling or dust suppression, Lechler cluster head nozzles are used.
Lechler deflector-plate nozzles are non-clogging nozzles without swirl inserts. They can be used for fire fighting and broadcast spraying.