We reserve the right to introduce alternations both in design and technical data without prior notice, due to continued product development. www.tangra.bg

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cDn – sWIRL ceILInG DIFFUseRs

Description

• Swirlceilingdiffusersaredesignedforfreshairsupplyinthe ventilation and air-conditioning installations whenfastuniformdistributionof coldair in summermode isneeded.

• Suitableforheatingofpremiseswithheightupto3m.• Designedforpremiseswhereyear-roundcoolingisnec-essary.

construction

• Constructed of galvanized metal sheets with powdercoating.

• Fixednumberofblades,arrangedonthedecorativepartensuresoptimalairexchangeatlownoiselevels.

• Standard colour RAL 9010, upon customer’s requestpaintinginallRALcoloursispossible.

Installation

• Diffusers aremounted to the air duct systemwith ple-numboxandflexibleduct.Fixing to theplenumbox isarrangedwithacentralbolt.

Accessories

• Plenumbox(+K)• Regulationdamperinstalledinside(+Di)oroutside(+De)plenumbox

• Internalinsulation(+Ii)orexternalinsulation(+Ie)oftheplenumbox

• KitforplenumboxfixingtoArmstrongtypeceiling(+МК)

Modifications

CDN-S-Squareswirldiffuser CDN-R-Roundswirldiffuser

SWIRL CEILING DIFFUSERS 01.04-01CDN

www.tangra.bg We reserve the right to introduce alternations both in design and technical data without prior notice, due to continued product development.

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Plenumbox

overall and joined dimensions

Model Feff [m2] A [mm] B [mm] H [mm] H1 [mm] L [mm] ØD [mm]CDN300 0.069 300 278 230 120 140 145CDN400 0.077 400 378 280 120 190 195CDN500 0.085 500 478 280 120 190 195CDN600 0.092 595 573 330 150 240 245CDN 625 0.092 625 603 330 150 240 245

Note:Possibilityforproductionofplenumboxeswithdifferentdimensions–onrequest

Pressure drop [Pa]

V [m3/h]

Model150 200 250 300 400 500 600 800 1000

CDN300 7 11 15 - - - - - -CDN400 - 8 11 14 21 29 - - -CDN500 - - 7 9 13 16 22 - -CDN600 - - - - 10 15 18 28 -CDN 625 - - - - 10 13 18 27 42

CDN-R-500 ) +De +Ii +MK

+MK–KitforplenumboxfixingtoArmstrongtypeceiling

+Ii–internalplenumboxinsulation+Ie–externalplenumboxinsulation

+Di–regulationdamperinstalledinsideplenumbox+De–regulationdamperinstalledoutsideplenumbox

Grilletypeandsize

(

CDN 500-

Size-300,400,500,600,625

R–RoundceilingdiffuserS–Squareceilingdiffuser

Ceilingventilationdiffuser

R -

order designation

4.Regulationdamper-outside5.Regulationvalve installed intotheplenumboxandser-vicedthroughthediffuser.

6.Standardversion–solidvalve.Thevalvecanbemadeofperforatedmetalsheet-byrequest.

1.Ventilationdiffuser2.Standardplenumboxwithsideconnector3.Profileforfixingofthediffusertotheplenumboxwithacentralbolt

01.04-02 SWIRL CEILING DIFFUSERSCDN