Humidification nozzle selection table

The table below summarises much of the information in the humidification nozzle section of the SNP website.  It is intended to be handy reference guide to aid nozzle selection.  Full data on each of the nozzles listed can be accessed by clicking on the boxes in the left hand column of the table below. The data sheets will open in a separate tab to allow easy comparisons between multiple product sheets.

 

Nozzle Type

Design Type

 

Notes

 

Minimum Operating Pressure (Bar)

 

Flow rates (l/min)

 

Droplet size

 

Microwhirl misting nozzle

 

Misting small orifice

 

Mist at low pressure fog at high pressure

 

Drip-free

 

7

 

0.032-0.517

 

Small

 

MHW multi headed misting nozzle

 

Misting small orifice

 

Multiple nozzles on single head

 

70

 

4.2-8.7

 

Small

 

Ultimist axial whirl misting nozzle

 

Misting small orifice

 

Hollow cone mist

 

High number of droplets below 60 microns

 

Available in plastic

 

Mesh strainer

 

3

 

1.5-61.1

 

Small

 

PJ series Low profile misting nozzle

 

Misting

 

Impingement

 

Produces high percentage of droplets under 50 microns

 

Finest for of any direct pressure nozzle

 

3

 

0.031-5.34

 

Small

 

P series misting nozzle

 

Misting

 

Impingement

 

Produces high percentage of drops in the 25-400 micron range ideal for dust suppression

 

1

 

0.153-30.3

 

Small

 

XApr air atomising, full cone internal mix

 

Full cone air atomising

 

Low flow rates

 

Requires compressed air supply

 

 

 

0.7

 

0.025-1.83

 

Very small

 

Low flow rate spiral nozzle

 

Spiral full cone

 

Higher flow rates

 

0.5

 

0.534-14.7

 

Medium -small

 

Humidification Engineering Considerations 

Humidification Nozzle Designs