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JET-A (ALU) • Aluminium JET nozzles

  • JET nozzles
  • Circular
  • Aluminium
  • Aluminium natural finish
  • Conical design

Manually adjustable JET nozzles

Brand

  • Cairox

Application

  • JET nozzles are used for hot or cold air supply in ventilation and air conditioning systems where a long throw, high induction and low sound levels are required.
  • The nozzles are manually adjustable to be set for cooling or heating purposes

Material

  • Coated Aluminium

Colour

  • Natural aluminium finish
  • Other colours available upon request

Composition

  • The nozzle can be adjusted manually to direct the air flow over 30° in all directions.

Text for tender

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  • The air supply diffusers are of the JET type for long throw application. They are made in natural aluminium with coating in natural finish.
  • Cairox type JET-A

Order example

  • JET-A, 300 (150)

Explanation

JET = Diffuser type

300 = Connection diameter

150 = Nozzle size

Dimensions

JET-AØA[mm]ØB[mm]ØC[mm]ØD[mm]ØE[mm]L1[mm]L2[mm]L3[mm]L4[mm]
1601588024916620666.55015110
20019811028920624666.55015111
30029815038930634666.55015110
40039823048940644666.55015111

Quick selection

JET-A160/80200/110300/150400/230
QAk0.00590.01010.01830.0432
100Vk4.7   
X0,258.9   
Ps 12   
Lw(A)20   
150Vk7.14.1  
X0,2513.410.1  
Ps 309  
Lw(A)30<20  
200Vk9.45.53 
X0,2517.613.610 
Ps 54175 
Lw(A)3724<20 
300Vk 8.34.6 
X0,25 20.415.3 
Ps  4112 
Lw(A) 34<20 
400Vk 116.1 
X0,25 2720.2 
Ps  7522 
Lw(A) 4026 
500Vk  7.63.2
X0,25  25.216.4
Ps   346
Lw(A)  32<20
600Vk  9.13.9
X0,25  30.120
Ps   508
Lw(A)  36<20
800Vk   5.1
X0,25   26
Ps    15
Lw(A)   22
1200Vk   7.7
X0,25   39.2
Ps    35
Lw(A)   32
1400Vk   9
X0,25   45.7
Ps    49
Lw(A)   36
1800Vk   11.6
X0,25   58.8
Ps    84
Lw(A)   41

Symbols and specifications

  • Q = Air volume in m³/h
  • Ak = Effective surface (free area) in m²
  • Vk = Average effective velocity through the grill in m/s
  • X0.25 = Horizontal throw in m at an endvelocity Vt of 0.25 m/s
  • Ps = Static pressure loss given in Pa
  • Lw(A) = Acoustic power in dB(A)


  • The throw X0.25 is given without deflection of the airstream at an end velocity of 0.25m/s. The distances are given without coanda effect.
  • The values are given for isothermal supply air. Throw distances for cooling conditions at -11K can be calculated by deviding the X0.25 values with factor 1.1. For heating purposes at Dt of +11K a multiplier of 1.1 should be applied to the given X0.25 value.
  • The acoustic power Lw(A) are given for grilles without room attenuation. Acoustic powers below 20dB(A) are mentioned as "<20" in the tables.
  • For special requirements, please contact our engineering office.

Placement instruction
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