Effects of Nozzle Wear on Air Consumption

Nozzle No.
Orifice Size
Air Flow
in CFM
Increase in Air Consumption
No. 41/4″ (6.5mm)81 cfm
No. 55/16″ (8.0mm)137 cfm69% more than No.4
No. 63/8″ (9.5mm)196 cfm43% more than No.5
No. 77/16″ (11.0mm)254 cfm29% more than No.6
No. 81/2″ (12.5mm)338 cfm33% more than No.7

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