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EShop-nummer
Wachtwoord
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PPRMB (RAL9016) • Perforated ceiling grilles for air exhaust

  • Perforated diffusers
  • Square
  • Steel
  • White, RAL 9016
  • Exhaust

Air exhaust ceiling diffusers with removable perforated plate

Brand

  • Cairox

Application

  • For air exhaust in ventilation and air conditioning systems

Material

  • Steel

Colour

  • Standard colour white, RAL 9016
  • Other colours available upon request

Composition

  • Perforated removable front plate with incorporated top entry plenum box
  • Perforated innerpart to be opened easily by push-push system

Text for tender

Kopiëren
  • The square air exhaust ceiling diffusers have a perforated front plate and an incorporated plenum box. They are made of steel and finished in white powder coating RAL 9016.
  • Cairox type PPRMB

Order example

  • PPRMB, 200

Explanation

PPRMB = Diffuser type

200 = Diffuser size (connection diameter)

Dimensions

PPRMB

A [mm]

ØN [mm]

160

300

160

200

400

200

250

500

250

Quick selection

PPRMB300/160400/200500/250
QAk0.03020.05910.0976
150Vk1.40.7 
Ps184 
Lw(A)<20<20 
200Vk1.80.90.6
Ps2973
Lw(A)<20<20<20
250Vk2.31.20.7
Ps47134
Lw(A)24<20<20
300Vk2.81.40.9
Ps70187
Lw(A)30<20<20
400Vk 1.91.1
Ps 3211
Lw(A) <20<20
500Vk 2.41.4
Ps 5218
Lw(A) 27<20
600Vk 2.81.7
Ps 7026
Lw(A) 33<20
800Vk  2.3
Ps  47
Lw(A)  28
1000Vk  2.8
Ps  70
Lw(A)  35

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
  • Ps = Static pressure loss given in Pa
  • Lw(A) = Acoustic power in dB(A)

  • The values are given for isothermal supply air
  • For all special requirements, please contact our engineering office.
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