GA - Volume Control Dampers

8/13/2019 GA - Volume Control Dampers

1/13

A I R D I 5 T R I B U T I N 5 P E C I A L I 5 T

VOLUME CONTROL D MPERS


2/13

LO ~ T E C HIR DISTRIBUTIO N SPECI LIST

FlangeTypeGA -VCD Flange type Galvanized steel frame withaluminum blade and hand-operated quadrantGG - VCD Flange type Galvanized steel frame w ithGalvanized steel blade and hand-operatedquadrantGAM - VCD Flange type Galvanized steel frame withAluminum blade and control electric motor

BoxType

Application: Generally used for application inGl ducts and pre-insulated ducts.

GAB - VCD Box type Galvanized steel frame withaluminum blade and hand-operated quadrant ,Application: Generally used for application in Glducts and pre-insulated ducts. Sizes 1are limited to 600mm (width) x400mm (height) only

Slip Clip TypeGAS - VCD Slip Clip type Galvanized steel frame withaluminum blade and hand-operated quadrantGGS -VCD Slip Clip type Galvanized steel frame

with Galvanized steel blade andhand-operated quadrant

Pre Insulated Type

Application: Generally used for majorityapplications in Gl ducts. Sizesare limited to 600mm (width) x400mm (height) only

P -VCD Pal Sandwich panel frame with aluminum bladeand hand- operated quadrantP M - VCD Pal Sandwich panel frame with aluminum bladeand control electric motor

Round Type

Application: Generally used for majority applications in pre-insulated ducts

GGR -VCD Round type Galvanized steel frame with Galvanized blade and hand-operated quadrantApplication: Generally used for applications inGl ducts and pre-insulated ducts.Sizes are limited to 400mm diameter

GA l


3/13

LOW T E HIR DISTRIBUTION SPECI LIST

Material pecificationsCasing

1.2mm thickness ( 18 gauge) Gl sheetlades

Airfoil blades made of 1 mm th ick Aluminumextruded

ushesPVC bushes 12mm x 12mm sq w/ drive

LinkageLinkages are made of 3mm thickGalvanized steel

HandleHandle is made of 1.2mm th ick ( 18 gauge)Galvanized steel with integral rotation slotindicating blade open close position

SpindleSpindles are made of I2mm x 12mmsquare Galvanized steel

Operating Temperature- Ioo to I Iooc as standard

GA-2

Application

The Flange Type Volume Control Damper hasbeen specially designed for installation insystem where high/medium/low pressure areexperienced. These dampers are designed tooperate from one control point. The damper sblade opening is controlled by hand lockingquadrant.

D imensions of DampersMinimum size of IOOmm (width) x IOOmm(height) and maximum size of 2000mmwidth) x 2000mm (height)

Standard size of he flange is 20mmStandard length is I70mm


4/13

LO T E HIR DISTRIBUTIO SPECI LIST

Application

The Flange Type Vo lume Control Damper hasbeen specially designed for installation in systemwhere high/medium/low pressure are experienced. These dampers are designed to operatefrom one control point. The damper's blade opening is controlled by hand locking quadrant.Dimensions of DampersMinimum size of IOOmm width) x IOOmm(height) and maximum size of 2000mm (width) x2000mm (height)Standard size of he flange is 20mmStandard length is I70mm Material Specifications

Casing1.2mm thickness ( 18 gauge) Gl sheet

BladesBlades made of 0.9mm thickness21 gauge) Gl sheet

BushesPVC bushes 12mm x I2mm sq w/ drive

LinkageLinkages are made of 3mm th ickGalvanized steel


Sp ind leSpindles are made of 12mm x 12mmsquare Galvanized steel

Operating Temperature- Iooc to I IOOC as standard

GA-3


5/13

F L o w T c HIR DISTRISUTIOH SPECI LIST

ApplicationThe Flange Type Volume Control Damper has beenspecially designed for installation in system wherehigh/medium/low pressure are experienced. Thesedampers are des igned to operate from one controlpoint. The damper s blade opening is controlled byelectric motor.

Dimensions of DampersMinimum size of IOOmm width) x IOOmm (height)and maximum size of2000mm width) x 2000mm{height)Standard size of he flanve is 20mmStandard length is 170mm

Material SpecificationsCasing

1.2mm thickness 18 gauge) Gl sheetBladesAirfoi l Blades made of 11 mm thickaluminum extrudedBushes

Brass bush with 12mm diameterLinkage

Linkages are made of 3mm thickGalvanized steelSpindle

Spindles are made of I 2mm x 12mmsquare Galvanized steel

Operating Temperature-IOOC to I IOOC as standard

Selection of Motors

GA-4

Motors are selected by torque requirement andapplication type in relation to the size of he damper.

Size of mper Torque of Motor T ype ofmm) m) MotorFrom 100 x 100 to 5 On Off or500 X 500 Modulating

From 550 x 550 to 10 On OfforIOOOx 1000 ModulatingFrom I 050 x 2000 20 On Offorto I 050 x 2000 Modulating


6/13

FLO TE HIR DISTRIBUTIO N SPECI LIST

ApplicationThe Box Type Volume Control Damper has beenspecial ly designed for installation in system wheremedium/low pressure are experienced. These dampers are designed to operate from one control point.The damper s blade opening is controlled by handlocking quadrant.

Material pecificationsCasing

0.9mm thickness 2 1gauge) Gl sheetBladesAirfoil Blades made of 1 1 mm thick

aluminum extrudedBushes

PVC bushes 12mm x 12mm sq w/ driveLinkage

Linkages are made of 3mm thickGalvanized steel

D imensions of DampersMinimum size of IOOmm width) xIOOmm (height) and maximum size of600mm width) x 400mm (height)Standard length is I70mm


SpindleSp ind les are made of 12mm x 12mmsquare Galvanized steel

Operating Temperature- Iooc to I Iooc s standard

GA-S


7/13

IR DISTRIBUTION SPECI LIST

Applicat ion Material Specifications

The Slip Clip Type Volume Control Damper hasbeen specially designed for installation in systemwhere medium/low pressure are experienced.These dampers are designed to operate from onecontrol point The damper's blade opening is con-trolled by hand locking quadrant

Slip lip Type - G S - V D

GA-6

Casing0.7mm th ickness (23 gauge) Gl sheet

BladesAirfoil Blades made of 1.1mm thickaluminum extruded

BushesPVC bushes 12mm x 12mm squarewith drive


HandleHandle is made of 1.2mm th ick ( 18 gaugeGalvanized steel with integral rotation slotindicating blade open and close position

SpindleSpindles are made of I2mm x 12mmsquare Galvanized steel

Operating Temperature-I oo to I Iooc as standard

Dimensions of DampersMinimum size of IOOmm width) x IOOmm(height) and maximum size of 600mm(width) x 400mm (height)Standard length is 170mm


8/13

FLO TECHIR DISTRIBUTIO N SPECI LIST

Material SpecificationsCas ing

0.7mm thickness (23 gauge) Gl sheet

BladesBlades made o 0.7mm thickness23 gauge) Gl sheet

BushesPVC bushes 12mm x 12mm squarewith drive

LinkageLinkages are made o 3mm thickGalvanized stee l

HandleHandle is made o 1.2mm thick ( 18 gauge)Galvan ized stee l with integral rotation slotind icating blade open and close pos ition

SpindleSpind les are made o 12mm x I2mmsquare Galvanized stee l

Operating TemperatureI 0C to I Ioo as standard

ApplicationThe Slip Clip Type Volume Control Damperhas been specially des igned for installation insystem where medium/low pressure are experi-enced. These dampers are des igned to operatefrom one control point The dampers bladeopening is controlled by hand locking quadrant.

imensions of DampersMinimum size o IOOmm (width) x IOOmm(height) and maximum size o 600mm (width) x400mm (height)Standard length is I70mm

GA-7


9/13

o w T c HIR DISTRIBUTION SPECI LIST


Pal Sandwich Panel 20mm/30mmthickness 80/80 micron80/200mm micron

ladesAirfoil blades made of 1 1 mm thickaluminum extruded

ushesPVC bushes I2mm x 12mm squarewith drive


HandleHandle is made of 1.2mm thick ( 18 gauge)Galvanized steel with integral rotation slotindicating blade open and close position

Sp indleSpindles are made of 12mm x 12mmsquare Galvanized steel

Operating Temperature- Ioo to I Ioo as standard

GA 8

pplicationThe Pre-Insulated Type Volume Control Damperhas been specially designed for installation insystem where high/medium/low pressure are experienced. These dampers are designed to operate from one control point. The damper s bladeopening is controlled by hand locking quadrant.

imensions of DampersMinimum size of IOOmm (width) x IOOmm(height) and maximum size of2000mm (width) x2000mm (height)Standard thickness of he f lange is 20mmStandard length is I70mm


10/13

LO ~ T E C HIR DISTRIBUTIO SPECI LIST


Pal Sandwich Panel 20mm/30mmthickness , 80/80 micron80mm/200mm micron

BladesAirfoi l blades made of mm th ickaluminum extruded

BushesBrass bushes with I2mm diameterLinkage

Linkages are made of 3mm thickGalvanized steel

SpindleSpindles are made of 12mm x I2mmsquare Galvanized steel

Operating Temperature- I0C to I I0C as standard

ApplicationThe Pre -Insulated Type Volume Control Damper hasbeen special ly designed for installation in system wherehigh/medium/low pressure are experienced. Thesedampers are designed to operate from one control point The damper s blade opening is controlled byelectric motor.

Dimensions of DampersMinimum size of IOOmm (width) x IOOmm (height) andmaximum size of2000mm (width) x 2000mm (height)Standard thickness of he flange is 20mmStandard length is 170mm

Selection of MotorsMotors are se lected by torque requirement andapplication type in relation to the size of he damper.

Size of Damper Torque of otor Type ofmm) Nm) otor

From 1 x 1 to 5 On/Off or5 X 5 Modu latingFrom 55 x 55 to 1 On/Offor1 X 1 ModulatingFrom I 5 x 2 2 On/Offorto I 5 x 2 Modu lating

GA 9


11/13

o w T c HIR DISTRIBUTION SPECI LIST


0.9mm thickness (21 gauge) Gl sheetBlades

Blades made of 0.9mm th ickness(21 gauge) Gl sheet

BushesPVC bushes 8mm x 8mm square withdrive

HandleHandle is made of 1.2mm thick(18 gauge) Galvanized stee l with integralrotation slot indicating blade openand close position

SpindleSpind les are made of 8mm x 8mmsquare Galvanized stee l

Operating Temperature-I ooc to I IOO as standard

GA 10

pplicationThe Round Type Volume Control Damper h a sbeen specially designed for installation in systemwhere high/medium/low pressure are experi-enced. These dampers are designed to operatefrom one control point The damper s bladeopening is controlled by hand locking quadrant.

D imensions of D ampersMinimum size ofVCD is IOOmm 0 andmaximum size is 400mmStandard length is as follows (see Tab le I

ia Length1 ISOISO 22 SO25 33 3535 400400 45

able


12/13

O _ TECHAIR DI STRI BUTI ON S PEC IALI ST

60 ----20

W 162840

0.5 1.0 2.0 3.0 4.0Stotic Pressure in. H,O)

Leaka e Chart GA GG . GAM . PA . PAM . GGR VCD

J: Js

e Fci: C.

0.5000.3000.2000.1 250.100o.oeo0.060o.oso0.0400.0300.020O.QI50.010o.ooa0.0060.005

/.0040.003300

'

/ // /_ .. // // /// /

/ ';;

500 600 800 1000 1500Face Velocity FPM)

. /// / 2

. / '/ /. / /../

2000 3000 4000

_ Pr essure Oro Chart GA . GG . GAM . PA . PAM . GGR VCD

Pressure Drop vs. face velocity w ith damper in open positionI Volume Cont rol Damper opposed blades2Volume Cont rol Damper parallel blades

GA- l l


13/13

o w T c HIR DISTRIBUTION SPECI ALIST

V D - X(Model) Width) XGA VCD

Flange type galvanized steel frame withaluminum blade and hand-operated quadrantGG VCDFlange type galvanized steel frame withgalvanized steel blade and hand-operatedquadrantGAM VCDFlange type galvanized steel frame withaluminum blade and control electric motor

GAB VCDBox type galvanized steel frame with aluminumblade and hand-operated quadrant

GAS VCDSlip clip type galvanized steel frame withaluminum blade and hand-operated quadrant

(Height)

GGSVCD

Height in mm or inchesWidth in mm or inches

Slip clip type galvanized steel frame withgalvanized steel blade and hand-operatedquadrantPAVCDPal sandwhch panel frame with aluminumblade and hand-operated quadrant

PAM VCDPal sandwich panel frame with aluminumblade and contro l electric motor

GGRVCDRound type galvanized steel frame withgalvanized steel blade and hand-operatedquadrant

IGA VCD- 40 X 6 1Refers to flange type ga lvanized steel frame with aluminumblade and hand-operated quadrant. Size 40 (width) x 16 (height)

GA- 12

GA - Volume Control Dampers

Documents

Transcript of GA - Volume Control Dampers