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Coating Nozzle Selection Table

The table below summarizes much of the information in the coating nozzle section of the BETE Limited 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

Relative span

Droplet Size

Min Flow rate (l/h)

Spray Pattern

Notes

Flat Fan, Air atomising, Internal mix nozzle (XApf)

Air atomising

Low

Very fine

2.0

(0.67 if pulsed)

Flat fan

Air atomising

Low

Very fine

5.7

(1.9 if pulsed)

Flat fan

Deflection flat fan

XApr air atomising, full cone internal mix

Air atomising

Low

Very fine

1.4

(0.57 if pulsed)

Full cone

XAer full cone external mix air atomising nozzle

Air atomising

Low

Very fine

2.7

(0.9 if pulsed)

Full cone

Suitable for viscous fluids

Flat fan, air atomising, external mix nozzle

Air atomising

Low

Very fine

3

(1 if pulsed)

Flat fan

Suitable for viscous fluids

SAM Air Atomising Nozzle

Air atomising

Very low

Very fine

2.7

(0.9 if pulsed)

Variable

Highly controllable drop size

Air atomising

Low

Very fine

0.5

(0.17 if pulsed)

Flat Fan

Siphon fed.

Lowest flow rate

 hydroPulse

 
Elliptical orifice flat fan 
(Pneumatically pulsed)
 

Average
 

Medium
 

0.22
(Suitably pulsed)
 

Flat Fan
 
Lowest flow rate of any hydraulic nozzle.

Low flow rate flat fan nozzle

Elliptical orifice flat fan

(low flow)

Average

Medium

0.66

Flat fan

No air required.

Only suitable particle free non viscous fluid.

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Coating Engineering Considerations

Coating Nozzle Designs:

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