VOLUME CONTROL DAMPERS - Airmastersemiratesairmasteremirates.com/downloads/Chapter_16-volume control damper.pdf · VOLUME CONTROL DAMPERS 16.0 SECTION TOPIC PAGE 16.1 Volume Control

VOLUME CONTROLDAMPERS

www.airmasteremirates.com

ISO 9001 CERTIFIED COMPANY

YE

ARS OF

EXCE L L ENCE25

INDEX

VOLUME CONTROL DAMPERS16.0 indexISO 9001 CERTIFIED COMPANY

www.airmasteremirates.com 02


16.0

SECTION TOPIC PAGE

16.1 Volume Control Damper AVCD 3

16.2 Motorized Volume Control damper AVCD-M 5

16.3 Slip & Clip Volume Control damper AVCD-SC 6

16.4 Stainless Steel Volume Control damper AVCD-SS 7

16.5 Low Leakage Volume Control damper AVCD-ZL 8

16.6 GI Volume Control Damper AVCD-GI 9

16.7 Heavy Duty Volume Control Damper AVCD-HD 10

16.8 Pre-Insulated Volume Control damper AVCD-PI 11

16.9 Circular Volume Control Damper AVCD-C 12

16.10 Product Summary 12

Cover Page Photo Tornado Tower, Qatar.Cover Page Photo

Copyright reserved. Specifications subject to change without notice.

VOLUME CONTROL DAMPERS

model: AVCDISO 9001 CERTIFIED COMPANY

www.airmasteremirates.com03

Description:•Designedforuseinheating,ventilatingandair

conditioningsystems.

•Jointsareweldedandprotectedbyaluminiumspraycoatingtopreventrusting.

•Blades are coupled by toothed nylon gearswhichprovidesopposedbladeoperation.

•Hand locking quadrant is provided with clearopen/close indication and three intermediateopenpositions(1/4–1/2-3/4).

•Foamgasketissealedacrossthebladeedgestominimizeairleakagebetweentheblades.

•Flanged edges are supplied un-drilled asstandard.

•Damperswithoutflangesavailableasoptionfor

ductinsertionpurpose.

Optional Accessories:•Frame: Thickness upto 2mm on request.

Aluminium frame available for light weightapplications.

•Handle: CastAluminium.•Bush: Brassbush,S.S.BallBearing.•Gear Wheel: AluminiumAlloy.•Blade: Low leakage: S.S Jamb seal, Nylon

bladeendcaps

16.1

VOLUME CONTROL DAMPER

CONSTRUCTION:Frame:HighqualityGalvanizedSteelsheetofthickness1.2mmasstandard.

Frame size:125mmdepthandstandardflangeheightof25mm.

Blades:DoubleskinnedhighqualityextrudedAluminiumaerofoilprofiles.

Drive shaft: Electro-platedsquarerodofsize12.7mmx12.7mm.

Bushings: Self-lubricatingnylonbushings.

Blade linkage:Nylongear.

Handle:GalvanizedSteellockinghandquadrant.

Blade stopper:G.Iangleofthickness0.7mm.

25

125

Copyright reserved. Specifications subject to change without notice.2015 Rev. 2


04www.airmasteremirates.com


16.1

PERFORMANCE CHARTVOLUME CONTROL DAMPER model: AVCD

Performance chart:Model: AVCD

1

3

5

10

30

50

100

300

500

1000

3000

5000

V(m/s)

0.1 0.3 0.5 1 3 5 10 20

75° 60°

P(N

/m2 )

15°

30°

45°

0°

Pressuredrop-RectangularVCDaerofoiltypeblades



model: AVCD-MISO 9001 CERTIFIED COMPANY


16.2

MOTORIZEDVOLUME CONTROL DAMPER







•Dampers without flanges available as option forductinsertionpurpose.

•Actuators of client’s choice will be suppliedseparately.

•Damperswillbeprovidedwithextendedspindletofixactuatoron-site.

•Bigger sizes will be provided with mechanicallinkageforstabilityandhassle-freeoperation.

Optional Accessories:•Frame:Thicknessupto2mmuponrequest.

Aluminiumframeavailableforoff-shoreorlightweightapplications.

•Handle: CastAluminium•Bush: Brassbush,S.S.BallBearing.•Gear Wheel: AluminiumAlloy.•Low Leakage: S.S.Jambseal,nylonbladeendcaps


Frame Size:125mmdepthandstandardflangeheightof35mm.

Blades: DoubleskinnedhighqualityextrudedAluminiumaerofoilprofiles.

Drive Shaft: Electroplatedsquarerodofsize12.7mmx12.7mm.

Bushings: Self-lubricatingS.SBallbearing.

Blade linkage: Nylongear.

Blade stopper: G.Iangleofthickness0.7mm.

35

125





16.3

SLIP & CLIP TYPEVOLUME CONTROL DAMPER model: AVCD-SC







Options:•Handle: CastAluminium•Bush: Brassbush,S.S.BallBearing.•Gear Wheel: AluminiumAlloy.•Low Leakage: S.SJambseal,Nylonbladeend

caps.


Frame size:200mmdepth.

Blades:Doubleskinnedhighqualityextrudedaluminiumaerofoilprofiles.

Drive Shaft: Electro-platedsquarerodofsize12.7mmx12.7mm



Blade stopper:G.I.angleofthickness0.7mm..

Handle: GalvanizedSteellockinghandquadrant

200




model: AVCD-SSISO 9001 CERTIFIED COMPANY

16.4

STAINLESS STEELVOLUME CONTROL DAMPER

Description:•Designed for offshore applications in heating,

ventilatingandair-conditioningsystems.

•Can also be used in chemical industries andkitchenventilation.

•Joints are welded and protected by chemicalcleaningprocess.





•Damperswithoutflangesavailableasoption forductinsertionpurpose.

Options:•Frame: Thicknessupto1.6mmuponrequest.•Gear Wheel: AluminiumAlloy.•Low Leakage: S.SJambseal.

CONSTRUCTION:Frame:HighqualityStainlessSteelsheet(Grade304/316L)ofthickness1.2mmdependingonthesize.


Blades: Singleskinridgeshapedbladeconstructedoutof1.2mmthickS.Ssheetasstandard.

Drive Shaft:S.Ssquarerodofsize12.7mmx12.7mm.

Bushings:Self-lubricatingS.Sorbrassbushings.


Blade stopper:S.Sangleofthickness0.7mm.

Handle: S.Slockinghandquadrant.





16.5

LOW LEAKAGEVOLUME CONTROL DAMPER model: AVCD-ZL

Description:•Designed for use in heating, ventilating and

air conditioning systems for low-leakageapplications.






•Damperswithoutflangesavailableasoptionfor

ductinsertionpurpose.

• Air leakage from 0.18% to 1.33% only basedon testsconducted inaccordancewithAMCAstandard500-D-98.

Options:•Frame: G.I sheet of thickness up to 2mm

availableuponrequest.Aluminiumframeisalsoavailable for light weight / offshore / exposedareaapplications.


Frame size:125mmdepthandstandardflangeheightof25mm.

Blades:DoubleskinnedheavydutyextrudedAluminiumprofiles.

Drive shaft: Electroplatedsquarerodof

size12.7mmx12.7mm.




Handle: GalvanizedSteellockinghandquadrant.

•Handle: CastAluminium.•Bush: Brassbush,S.S.BallBearing.•Gear Wheel: AluminiumAlloy.•Low Leakage: S.SJambseal.




model: AVCD-GIISO 9001 CERTIFIED COMPANY

16.6

GI VOLUME CONTROL DAMPER








•Damperswithoutflangesavailableasoption forductinsertionpurpose.

Options:•Frame: Thicknessupto2mmuponrequest.•Blade: Double skin aerofoil type G.I blade of

thickness0.7mm.•Handle: CastAluminium.•Bush: Brassbush,S.S.BallBearing.•Gear Wheel: AluminiumAlloy.•Low Leakage: S.SJambseal.

CONSTRUCTION:Frame:HighqualityGalvanizedSteelofthickness1.2mmasstandard.


Blades:Singleskinned3-VtypeG.Ibladeof1.5mmthickness.



Blade linkage: Nylongear/mechanicallinkage



Double skin - aerofoil

Single skin - 3V



Copyright reserved. Specifications subject to change without notice.10www.airmasteremirates.com


16.7

HEAVY DUTYVOLUME CONTROL DAMPER model: AVCD-HD

2015 Rev. 2

Description:•Designedforheavydutyapplicationsinheating,

ventilatingandair-conditioningsystems.

•Alsoapplicableforexplosiveareas.

•Frame is constructed from galvanized steelsheetandjoinedusingcorner-keys.

•Bladesareofrobustconstruction,rollformedG.Ihaving1.2mmthicknessdesignedtowithstandhighpressurewithoutclattering.

•Servicetemperaturerangesfrom-40ºCto+80ºC.

•Hand locking quadrant is provided with clearopenandcloseindication.

•Rubber edge seal is provided across blade

edges to minimize air leakage between theblades.

•Standardmodelavailablewithcornerborehole.

Options:•Silicon Edge Seal: Foruseinservice

temperatureof-40ºCto+200ºC.•Jamb Seal: Betweenbladeandframe,

includesslidefilmandspecialfoamplastic.

CONSTRUCTION:Frame:HighqualityGalvanizedSteelsheetofthickness1.2mm.Frame size:180mmdepthand30mmflangeheight.Blades:Doubleskinnedaerofoilbladesmadefromgalvanizedsteelwith165mmbladespacing.Drive shaft: Electroplatedrodofsize14mmØ.

Bushings: Sintered,self-lubricatingbronzebearing.

Blade linkage:Galvanizedsteelflatbarsof3mmthick.

Blade stopper: 1.2mmG.Iangle.

Handle: HeavydutyG.Iquadrant.

180

35

www.airmasteremirates.comCopyright reserved. Specifications subject to change without notice. 112015 Rev. 2


model: AVCD-HDISO 9001 CERTIFIED COMPANY

16.7

HEAVY DUTYVOLUME CONTROL DAMPER

Pressure Drop Curve (open damper)

Opening Angel 90°

Opening Angel 68°

Opening Angel 45°

0

20

40

60

80

100

120

140

0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0

W [m/]s

Pres

sure

Dro

p[P

a]




16.8

PRE-INSULATEDVOLUME CONTROL DAMPER model: AVCD-PI


conditioning systems in open/limited accessareasandlightweightapplications.

•The edges are joined using special glue andsilicon.

•Blades are coupled by toothed nylon gearswhichprovidesopposedbladeoperationn.



Options:•Frame: Thicknessupto25mmavailableupon

request.•Handle: CastAluminium.•Bush: Brassbush.•Gear Wheel: AluminiumAlloy.

CONSTRUCTION:Frame:20mmthickpolyurethanematerialwith2-sidesAluminiumfoilfacing.

Frame Size:200mmdepthwithflangesforside-fixing.

Blades: DoubleskinnedhighqualityextrudedAluminiumaerofoilprofiles.



Blade linkage: NylonGear.


Handle: GalvanizedSteellockinghandquadrant.

200


Description:•Jointsareweldedandprotectedbyaluminium

spraycoatingtopreventrusting.

•Damper blades are fixed to the bearing pin(whichiscoupledwithhandlockingquadrant)andcanbefullyopenedorclosed.


•Foam gasket is provided on the inner framesurface.

Options:•Handle: CastAluminium•Bush: Brassbush•Actuator: Ofclientschoiceformotorized

applications

CONSTRUCTION:Frame & Blade:HighqualityGalvanizedSteel.

Bearing pins:Electroplatedsteelrodof10mmØwithsquaretransitionofsize12.7mmx12.7mm

Bushings:Self-lubricatingnylonbushings.


Round VCD with flange. Model AVCD-CF

Dimensions:D = Diameter L = Length Sheet Thickness

100to150mm L=D+50mm 0.7mm

200to500mm L=D 0.9mm

550to1000mm L=D+50mm 1.2mm

1000mm&above L=D+100mm 1.5mm

D = Duct opening in mm dia

100 200 300 400 500 600

700 800 900 1000 1100 1200

Standard sizes:

Fixing details:•FixingbyusingJubileecliptoflexibleduct.



13.7VOLUME CONTROL DAMPERS

16.9

CIRCULARVOLUME CONTROL DAMPER model: AVCD-C





16.9

PERFORMANCE CHART VOLUME CONTROL DAMPER model: AVCD-C

Performance chart:Model: AVCD-C

0.11

3

5

10

30

50

100

300

500

1000

3000

5000

0.3

V(m/s)

0.5 1 3 5 10 20

0°

15°

30°

45°75° 60°

P(N

/m2 )

Pressuredrop-CircularVCD




13.7VOLUME CONTROL DAMPERS

16.10

PRODUCT SUMMARY &ORDER CHECKLIST

Product Summary:

Model Product Description Remarks

AVCD GI Frame with double skin Al.Blades Manual Quadrant

AVCD-M GI Frame with double skin Al.Blades With actuator

AVCD-SC Slip & Clip type

AVCD-SS SS Frame with double skin SS blade Option: Single skin SS blade

AVCD-ZL GI Frame with double skin Al.Blades With Jamb seal for Low leakage

AVCD-GI GI Frame with double skin GI blade Option: Single skin GI blade

AVCD-HD Heavy Duty VCD

AVCD-PI Pre-Insulated VCD

AVCD-C Round/Circular VCD Manual Quadrant

Product Order check list:•Model•SizeinLengthxWidth

•Quantity•Referoptionsavailableforeachproduct

Copyright reserved. Specifications subject to change without notice.

Product Installation:

AIR MASTER EQUIPMENTS EMIRATES LLC.Post Box - 3180, Ajman, U.A.E.Tel: +971 6 7436900, 7439600 Fax: +971 6 7436700E-mail: [email protected], [email protected]


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VOLUME CONTROL DAMPERS - Airmastersemiratesairmasteremirates.com/downloads/Chapter_16-volume control damper.pdf · VOLUME CONTROL DAMPERS 16.0 SECTION TOPIC PAGE 16.1 Volume Control