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Tel: 1-925-706-7433


Exair Super Air Knife

Super Air KnifeĀ™

  Quiet, hard-hitting curtain of air for blowoff, cleaning, drying and cooling.

EXAIR's Super Air Knife is a new generation of air knife that dramatically reduces compressed air usage and noise when compared to other blowoffs. The Super Air Knife offers a more efficient way to clean dry or cool parts, webs or conveyors.  It delivers a balanced sheet of laminar airflow across the entire length with hard-hitting force. Noisy blowoffs become a whisper when replaced with this new, compact design.  Even at high pressures of 80 PSIG (5.5 BAR), sound level is surprisingly quiet at 70 dBA for most applications!  Amplification rations (entrained air to compressed air) of 40:1 are produced.  The Super Air Knife meets OSHA dead-ended pressure and noise requirements

Printable PDF File

  • Part drying after wash
  • Sheet cleaning in strip mills
  • Conveyor cleaning
  • Part or component cooling
  • Web drying or cleaning
  • Environmental separation
  • Pre-paint blowoff
  • Quiet - 70dBA for most applications
  • Minimal air consumption
  • 40:1 air amplification
  • Balanced airflow across entire length
  • No moving parts
  • Aluminum or stainless steel
  • Compressed air inlets on ends and bottom
  • Compact, rugged easy to install
  • Recessed hardware for easy mounting
  • Stock lengths 3" to 42" (107cm)
  • Special lengths available
  • Unlimited system lengths of airflow
  • Variable force and flow
  • Maintenance free
suak2.gif (3299 bytes) Compressed air flows through the inlet (1) into the plenum chamber of the Super Air Knife. Multiple channels inside direct the flow to a precise, slotted orifice. As the primary airflow exits the thin slotted nozzle (2), it creates a uniform sheet of air across the entire length that immediately pulls in surrounding room air (3). Velocity loss is minimized by entraining the room air into the primary airstream. The result is a well defined sheet of laminar airflow with hard-hitting force and minimal wind shear.

Most plants try to limit compressed air usage and eliminate blowoffs that exceed OSHA noise level requirements. The new Super Air Knife has been engineered to deliver a uniform, high velocity, high volume sheet of air with low noise and minimal air consumption.  As shown by the chart, it's easy to see why the Super Air Knife is the best choice for blowoff, cooling and drying applications. The Super Air Knife reduces compressed air usage by 15% when compared to EXAIR's Standard Air Knife or by 63% when compared to a drilled pipe! Noise level of the Super Air Knife is 6 times quieter than the Standard Air Knife and 11 times quieter than the drilled pipe!

aks.jpg (45930 bytes)

Super, Standard and drilled pipe Air Knives

Specifications
The Super Air Knife is available in nine standard lengths of 3", 6", 12", 18", 24", 30", 36" , 42" and 48" (7.5, 15, 30, 46, 61, 76, 91, 107 and 122cm) in Aluminum, and eight standard lengths of 3", 6", 12", 18", 24", 30", 36" and 42" (7.5, 15, 30, 46, 61, 76, 91 and 107cm) in Stainless Steel.  Special lengths are available. Any number of Super Air Knives may be installed across a given area.
Filtration:  The use of clean air is essential. Kits include an automatic drain filter with a 5 micron filter element that is sized properly for flow.
Materials of Construction:  The Super Air Knife is available in either aluminum or stainless steel construction.
Mounting:  The Super Air Knife can be supported by the compressed air pipe. Tapped holes (1/4-20) on the bottom are also provided.
Regulation:  A pressure regulator on the compressed air supply provides infinite control of flow, force and air consumption. Kits include a pressure regulator that is sized for flow.
Shim Sets:  The compressed air exhausts through a gap which is set with a shim positioned between the cap and the body of the Super Air Knife. Force and flow through the Super Air Knife may be easily increased by adding shims to open the gap. Kits include a shim set (three additional shims).
Blowoff Comparison

Type of Blowoff

Air
Consumption
Sound
Level
Model #

Description

SCFM SLPM dBA
110018 18" (46cm)
Super Air Knife
52 1329 71
2018 18" (46cm)
Std. Air Knife
61 2234 87
N/A 18" (46cm)
drilled pipe*
141 3996 92
* drilled pipe has (37) 1/16" (1.59mm) holes on 0.5" (13mm) centers

The Super Air Knife uses 63% less air and is 11 time quieter than drilled pipe!
 
sakdim2.gif (4564 bytes)
Aluminum Super Air Knife Stainless Steel Super Air Knife

Super Air Knife
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  Exair 110006 6" (15cm) Super Air Knife
Code: EX110006
Price: $221.00
Quantity in Basket: none
 



  Exair 110006SS 6" (15cm) Stainless Steel Super Air Knife
Code: EX110006SS
Price: $389.00
Quantity in Basket: none
 



  Exair 110012 12" (30cm) Super Air Knife
Code: EX110012
Price: $297.00
Quantity in Basket: none
 



  Exair 110012SS 12" (30cm) Stainless Steel Super Air Knife
Code: EX110012SS
Price: $564.00
Quantity in Basket: none
 



  Exair 110018 18" (46cm) Super Air Knife
Code: EX110018
Price: $372.00
Quantity in Basket: none
 



  Exair 110018SS 18" (46cm) Stainless Steel Super Air Knife
Code: EX110018SS
Price: $695.00
Quantity in Basket: none
 



  Exair 1100206SS 6" (15cm) Stainless Steel Super Air Knife Kit
Code: EX1100206SS
Price: $601.00
Quantity in Basket: none
 



  Exair 110018 24" (61cm) Super Air Knife
Code: EX110024
Price: $448.00
Quantity in Basket: none
 



  Exair 110024SS 24" (61cm) Stainless Steel Super Air Knife
Code: EX110024SS
Price: $864.00
Quantity in Basket: none
 



  Exair 110030 30" (76cm) Super Air Knife
Code: EX110030
Price: $540.00
Quantity in Basket: none
 






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