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EVS (RAL9010) • Steel square exhaust valves

  • Air valves
  • Steel
  • White
  • For air exhaust
  • Extraction

Air extraction valves in sqare shape with adjustable core

Brand

  • Cairox

Application

  • For air extraction in ventilation systems

Material

  • Steel

Colour

  • Standard colour white, RAL 9010

Composition

  • Pressed steel body with adjustable core
  • Mounting clips for easy mounting in plenumboxes, ducts,...

Mounting

  • Used for direct mounting into plenumboxes or circular duct.

Accessories

  • Mounting ring TR for clamping the mounting frame APG on tile ceiling plates

Order example

  • EVS, 125

Explanation

EVS = Type valve (excl. mountingframe)

125 = Connection diameter

Text for tender

Copy
  • The air extraction valves shall be of the high pressure loss type with adjustable core and made of steel. They can be supplied with mounting frame
  • White finish RAL 9010
  • Cairox type EVS + KK

Quick selection

QEVS100125
r-200+20-200+10
25Ps60<10 50  
Lw(A)

26

<10 <10  
50Ps 15 17510 
Lw(A) 14 33<10 
75Ps 3518 25

8

Lw(A) 2618 16<5
100Ps 6230 4015
Lw(A) 2825 2410
125Ps 10050 6020
Lw(A) 3931 2915
150Ps  100 10030
Lw(A)  

41

 3720
200Ps     60
Lw(A)     

30

Symbols and specifications

  • Q = Air volume in m³/h
  • Ps = Static pressure loss in Pa
  • Lw(A) = Acoustic power in dB(A), based upon measured Lp acoustic pressures increased by 4 dB(A) room attenuation
  • r = -20mm, 0, +20mm = Distance between the face of the central cone and the valve border

Selection Graph

Symbols

  • Qv = Air volume in m³/h and l/s
  • Pt = Total pressure loss in Pa
  • Lp = Acoustic pressure in dB(A
  • r = Gap between the central core and the valve body

Dimensions

A [mm]

ØB [mm]

C [mm]

EVS 100

161

72

9

EVS 125

192

132

8
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