Suomen Virtaustekniikka Oy

Air Knife AIRMASTERS

AIRMASTERS Air Knife is an extremely efficient compressed air operated air knife. It reduces both compressed air consumption and noise levels in any blow off and/or cooling application. Airmasters Air Knife produces an output flow up to 40 times the inlet air consumed. Sound level is only 69 dBA.

AIRMASTERS Air knife for powerful blowing!

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Description

AIRMASTERS Air knife for powerful blowing!

The AIRMASTERS air knife has been developed to perfection in its aerodynamic design. The air knife produces an efficient, uniform and spatula-like blow, which creates a pneumatic scraping effect without mechanical contact.

The AIRMASTERS air knife has the highest possible flow amplification factor and is extremely quiet.

All AIRMASTERS air knives utilize the “Coanda” effect, which allows outside air to be added to the air flow in addition to the compressed air. This results in efficient and quiet blowing with minimal compressed air consumption. AIRMASTERS air knives use only 30% of the compressed air compared to open pipes or air deflectors.

 

REFERENCE
(anodized aluminium)
LENGTH mm
LENGTH (inches)

AIR CONSUMPTION

(5 bar)

BLOW SPEED

(152 mm distance, 5 bar)

BLOW FORCE (5 bar)
AIR INLETS back (end)
02-51MM
51
2”
142 Nl/min
57 m/s
1,4 N
1 (0)

03-75MM

75
3”
212 Nl/min
57 m/s
2,1 N
1 (0)
04-100MM
100
4”
212 Nl/min
57 m/s
3,7 N
1 (0)
06-152MM
152
6”
423 Nl/min
57 m/s
4,2 N
1 (0)
09-229MM
229
9”
633 Nl/min
57 m/s
6,3 N
2 (2)

12-305MM

305

12”

850 Nl/min

57 m/s

8,5 N

2 (2)

15-381MM
381
15”
1050 Nl/min
57 m/s
10,5 N
2 (2)
16-400MM
400
16”
1083 Nl/min
57 m/s
12,0 N
2 (2)

18-457MM

457
18”
1266 Nl/min
57 m/s
12,6 N
2 (2)
20-500MM
500
20”
1449 Nl/min
57 m/s
14,5 N
2 (2)
24-610MM
600
24”
1683 Nl/min
57 m/s
17,0 N
2 (2)
27-700MM
700
27”
2000 Nl/min
57 m/s
22,0 N
2 (2)

30-762MM

762

30”

2116 Nl/min

57 m/s

24,0 N

2 (2)
36-914MM
914
36”
2532 Nl/min
57 m/s
25,0 N
3 (2)
42-1067MM
1067
42”
2965 Nl/min
57 m/s
29,4 N
3 (2)
48-1219MM
1219
48”
3382 Nl/min
57 m/s
33,0 N
3 (2)
54-1372MM
1219
54”
3815 Nl/min
57 m/s
38,0 N
3 (2)

AIRMASTERS Air knife properties

  • Material: anodized aluminum or stainless steel (also 316L)
  • Heat resistance: aluminium 120°C ans 430°C stainless steel
  • Made of anodized aluminum, hard anodized aluminum, 303/304 stainless or 316L stainless steel
  • Full length laminar air flow
  • Air inlets R1/4'' at the back and at both ends
  • Uses only compressed air. No need for electricity
  • Replaces open pipes with holes
  • 40:1 air amplification ratio
  • Instant on-off operation using a solenoid valve.

Advantages

  • Longer service life in demanding conditions than uncoated air knives
  • Saves compressed air
  • Uniform full length blow pattern
  • Maintenance free, safe to use.

Advantages compared to electric fans

  • Compact, lightweight, portable
  • Uses only compressed air, no electricity hazard
  • No moving parts – no maintenance
  • Quiet, sound level even below 67 dBA.

Applications

  • Removal of excess oils, liquids, and dust from flat and curved surfaces
  • Part drying after wash
  • Conveyor cleaning
  • Component or parts cooling
  • Drying or cleaning of moving webs
  • Environmental separation (air barriers)
  • Set hot melt adhesives
  • Bag opening in filling applications
  • Pussien avaaminen täyttöä varten.

AIRMASTERS Air knife for powerful blowing!

All screws are stainless steel. The air knives come standard with 0.05 mm stainless steel adjustment plates to provide a precisely adjusted air gap. Additional adjustment plates are available to increase the blowing power if required.

 

 

Air knives, 6 different models

AIRMASTERS Air knife

  • Basic model Air knife
  • Air amplification ratio 40:1
  • Material gold color anodized aluminium
  • Our most popular model
  • Standard lengths 51 - 1372 mm
  • Heat resistance up to 430°C (stainless)
  • In stock
  • AIRMASTERS Air knife for powerful blowing!

AIRMASTERS+ Air knife

  • Extremelly powerful blowing power
  • Air amplification ratio 50:1
  • Material blue color anodized aluminium
  • Standard lengths 51 - 1372 mm
  • Most sold lengths in stock at the factory.

Standard Air Knife

  • Older model Air knife
  • Air amplification ratio 30:1
  • Material anodized aluminium or 304 stainless steel
  • Lower cost model Air knife
  • Standard lengths 76 – 914 mm
  • Manufactured only to order.

Manifold mounted air nozzles

  • For extreme blowing force
  • Can be applied with any model of our air nozzles
  • Standard models up to 4 nozzles, longer models by special order
  • Material anodized aluminium or 304/316L stainless steel
  • Heat resistance up to 430°C (depending of the model)

Hard anodized Air knife

  • For mechanically abrasive applications
  • Air amplification ratio 40:1
  • Material black hard anodized 6061-T6 aluminium
  • Available with R1/4” or 1/4” NPT air inlets
  • Special order. Ask for a quote!

Ring Blade Air knife

  • Uniform 360° blow around the object
  • For cleaning and cooling of cables and tubes
  • Material anodized aluminium or 304/316L stainless steel
  • Heat resistance up to 430°C (depending of the model)

 

More reading about improving the energy efficiency of compressed air systems

https://www.sarlin.com/ajankohtaista/paineilman-energiatehokkuus-kuntoon-kokonaisuuden-hallinnalla
https://www.atlascopco.com/fi-fi/compressors/paineilman-perusteet/paineilmalaitteisto-energiatehokkuus
https://www.theseus.fi/bitstream/handle/10024/341634/Piilonen_Maija.pdf;jsessionid=6C415F25ADC6563A5A24246AAA3A364B?sequence=3

 

Additional information

Length

51 mm, 75 mm, 100mm, 152 mm, 229 mm, 305 mm, 381 mm, 400 mm, 457 mm, 500 mm, 610 mm, 700 mm, 762 mm, 914 mm, 1067 mm, 1219 mm, 1372 mm

Material

Anodisoitu alumiini, Ruostumaton teräs 304, Ruostumaton teräs 316L