Which Air Knife is Best for Your Application?

Which Air Knife is Best for Your Application?

Features & Benefits Comparison of EXAIR 6″ (152mm) Air Knife Lengths

  6″ (152mm) Super Air Knife 6″ (152mm) Standard Air Knife 6″ (152mm) Full-Flow Air Knife
  Aluminium Type 303 Stainless Steel Aluminium Type 303 Stainless Steel Aluminium Type 303 Stainless Steel
Length of air knife 6″ (152mm) 7″ (178mm) 6″ (152mm)
Length of airflow 6″ (152mm) 6″ (152mm) 6″ (152mm)
Profile dimensions H x W 37 x 45mm 26 x 37mm 31 x 35mm 37 x 32mm 26 x 25mm 25 x 32mm
Compressed air inlets Each end and bottom Each end only Rear only
Coupling possible Yes No No
Available materials of construction Aluminium

Type 303 Stainless Steel

Type 316 Stainless Steel

PVDF (Polyvinylidene Fluoride)

Aluminium

Type 303 Stainless Steel

 

Aluminium

Type 303 Stainless Steel

 

Sound level at 3′ (914mm) 69 dBA 83 dBA 80 dBA
Air consumption with .002″ thick shim installed 17.4 SCFM 20.4 SCFM 18.6 SCFM
Air amplification ratio 40:1 30:1 30:1
Velocity at 6″ (152mm) from target 59.9 m/s 55.9 m/s 50.8 m/s
Force per inch (25mm) at 6″ (152mm) from target 71 grams 77 grams 65 grams
Compressed air costs per annum
(assume $0.25 per 1000 SCF)
17.4 SCFM x 60 x 0.25/1000

= $0.261 per hour

= $10.44 per 40-hour week

= $542.88 per year

20.4 SCFM x 60 x 0.25/1000

= $0.306 per hour

= $12.24 per 40-hour week

= $636.48 per year

18.6 SCFM x 60 x 0.25/1000

= $0.279 per hour

= $11.16 per 40-hour week

= $580.32 per year

All measurements taken at 80 PSIG (5.5 BAR)

 

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