A I R D I 5 T R I B U T I 0 N 5 P E C I A L I 5 T

VOLUME CONTROL DAMPERS

e e

FLO .. -~TECH AIR DISTRIBUTIO N SPECI ALIST

Flange Type

GA -VCD Flange type Galvanized steel frame with aluminum blade and hand-operated quadrant

GG - VCD Flange type Galvanized steel frame w ith Galvanized steel blade and hand-operated quadrant

GAM - VCD Flange type Galvanized steel frame with Aluminum blade and control electric motor

Box Type

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

GAB - VCD Box type Galvanized steel frame with aluminum blade and hand-operated quadrant ,

Application: Generally used for application in Gl ducts and pre-insulated ducts. Sizes 1

are limited to 600mm (width) x 400mm (height) only

Slip & Clip Type

GAS - VCD Slip & Clip type Galvanized steel frame with aluminum blade and hand-operated quadrant

GGS -VCD Slip & Clip type Galvanized steel frame with Galvanized steel blade and hand-operated quadrant

Pre-Insulated Type

Application: Generally used for majority applications in Gl ducts. Sizes are limited to 600mm (width) x 400mm (height) only

PA -VCD Pal Sandwich panel frame with aluminum blade and hand- operated quadrant

PAM - VCD Pal Sandwich panel frame with aluminum blade and 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 quadrant

Application: Generally used for applications in Gl ducts and pre-insulated ducts. Sizes are limited to 400mm diameter

GA-l

FLOW -~TECH AIR DISTRIBUTION SPECIALIST

Material Specifications

Casing 1.2mm thickness ( 18 gauge) Gl sheet

Blades Airfoil blades made of 1.1 mm thick Aluminum extruded

Bushes PVC bushes 12mm x 12mm sq w/ drive

Linkage Linkages are made of 3mm thick Galvanized steel

Handle Handle is made of 1.2mm thick ( 18 gauge) Galvanized steel with integral rotation slot indicating blade open & close position

Spindle Spindles are made of I 2mm x 12mm square Galvanized steel

Operating Temperature - I ooc to I I ooc as standard

GA-2

Application

The Flange Type Volume Control Damper has been specially designed for installation in system where high/medium/low pressure are experienced. These dampers are designed to operate from one control point. The damper's blade opening is controlled by hand locking quadrant.

Dimensions of Dampers

Minimum size of I OOmm (width) x I OOmm (height) and maximum size of 2000mm (width) x 2000mm (height)

Standard size of the flange is 20mm

Standard length is I 70mm

FLO .. ~TECH AIR DISTRIBUTIO N SPECIALIST

Application

The Flange Type Volume Control Damper has been specially designed for installation in system where high/medium/low pressure are experi­enced. These dampers are designed to operate from one control point. The damper's blade open­ing is controlled by hand locking quadrant.

Dimensions of Dampers

Minimum size of I OOmm (width) x I OOmm (height) and maximum size of 2000mm (width) x 2000mm (height)

Standard size of the flange is 20mm

Standard length is I 70mm Material Specifications

Casing 1.2mm thickness ( 18 gauge) Gl sheet

Blades Blades made of 0.9mm thickness (21 gauge) Gl sheet

Bushes PVC bushes 12mm x I 2mm sq w/ drive

Linkage Linkages are made of 3mm thick Galvanized steel

Handle Handle is made of 1.2mm thick ( 18 gauge) Galvanized steel with integral rotation slot indicating blade open & close position

Spindle Spindles are made of 12mm x 12mm square Galvanized steel

Operating Temperature - I ooc to I I OOC as standard

GA-3

FLow~TEcH AIR DISTRISUTIOH SPECI ALIST

Application

The Flange Type Volume Control Damper has been specially designed for installation in system where high/medium/low pressure are experienced. These dampers are designed to operate from one control point. The damper's blade opening is controlled by electric motor.

Dimensions of Dampers

Minimum size of IOOmm (width) x IOOmm (height) and maximum size of2000mm (width) x 2000mm {height)

Standard size of the flanve is 20mm

Standard length is 170mm

Material Specifications

Casing 1.2mm thickness ( 18 gauge) Gl sheet

Blades Airfoi l Blades made of 1.1 mm thick aluminum extruded

Bushes Brass bush with 12mm diameter

Linkage Linkages are made of 3mm thick Galvanized steel

Spindle Spindles are made of I 2mm x 12mm square Galvanized steel

Operating Temperature -I OOC to I I OOC as standard

Selection of Motors

GA-4

Motors are selected by torque requirement and application type in relation to the size of the damper.

Size of Damper T orque of Motor T ype of

(mm) (Nm) Motor

From 100 x 100 to 5

On/Off or 500 X 500 Modulating

From 550 x 550 to 10

On/Off or IOOOx 1000 Modulating

From I 050 x 2000 20

On/Off or to I 050 x 2000 Modulating

FLO .. - TECH AIR DISTRIBUTIO N SPECIALIST

Application

The Box Type Volume Control Damper has been specially designed for installation in system where medium/low pressure are experienced. These damp­ers are designed to operate from one control point. The damper's blade opening is controlled by hand locking quadrant.

Material Specifications

Casing 0.9mm thickness (2 1 gauge) Gl sheet

Blades Airfoil Blades made of 1.1 mm thick aluminum extruded

Bushes PVC bushes 12mm x 12mm sq w/ drive

Linkage Linkages are made of 3mm thick Galvanized steel

Dimensions of Dampers

Minimum size of I OOmm (width) x I OOmm (height) and maximum size of 600mm (width) x 400mm (height)

Standard length is I 70mm

Handle Handle is made of 1.2mm thick ( 18 gauge) Galvanized steel with integral rotation slot indicating blade open & close position

Spindle Spindles are made of 12mm x 12mm square Galvanized steel

Operating Temperature - I ooc to I I ooc as standard

GA-S

AIR DISTRIBUTION SPECIALIST

Application Material Specifications

The Slip & Clip Type Volume Control Damper has been specially designed for installation in system where medium/low pressure are experienced. These dampers are designed to operate from one control point The damper's blade opening is con­trolled by hand locking quadrant

Slip & Clip Type - GAS - VCD

GA-6

Casing 0.7mm thickness (23 gauge) Gl sheet

Blades Airfoil Blades made of 1.1 mm thick aluminum extruded

Bushes PVC bushes 12mm x 12mm square with drive

Linkage Linkages are made of 3mm thick Galvanized steel

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

Spindle Spindles are made of I 2mm x 12mm square Galvanized steel

Operating Temperature -I ooc to I I ooc as standard

Dimensions of Dampers

Minimum size of I OOmm (width) x I OOmm (height) and maximum size of 600mm (width) x 400mm (height)

Standard length is 170mm

FLO .. -- TECH AIR DISTRIBUTIO N SPECIALIST

Material Specifications

Casing 0.7mm thickness (23 gauge) Gl sheet

Blades Blades made of 0.7mm thickness (23 gauge) Gl sheet

Bushes PVC bushes 12mm x 12mm square with drive

Linkage Linkages are made of 3mm thick Galvanized steel

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

Spindle Spindles are made of 12mm x I 2mm square Galvanized steel

Operating Temperature -I 0°C to I I ooc as standard

Application

The Slip & Clip Type Volume Control Damper has been specially designed for installation in system where medium/low pressure are experi­enced. These dampers are designed to operate from one control point The damper's blade opening is controlled by hand locking quadrant.

Dimensions of Dampers

Minimum size of I OOmm (width) x I OOmm (height) and maximum size of 600mm (width) x 400mm (height)

Standard length is I 70mm

GA-7

FLow ~TEcH AIR DISTRIBUTION SPECIALIST

Material Specifications

Casing Pal Sandwich Panel 20mm/30mm

thickness 80/80 micron I 80/200mm micron

Blades Airfoil blades made of 1.1 mm thick aluminum extruded

Bushes PVC bushes I 2mm x 12mm square w ith drive

Linkage Linkages are made of 3mm thick Galvanized steel

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

Spindle Spindles are made of 12mm x 12mm square Galvanized steel

Operating Temperature - I ooc to I I ooc as standard

GA-8

Application

The Pre-Insulated Type Volume Control Damper has been specially designed for installation in system where high/medium/low pressure are ex­perienced. These dampers are designed to oper­ate from one control point. The damper's blade opening is controlled by hand locking quadrant.

Dimensions of Dampers

Minimum size of I OOmm (width) x I OOmm (height) and maximum size of2000mm (width) x 2000mm (height)

Standard thickness of the f lange is 20mm

Standard length is I 70mm

FLO .. ;~TECH AIR DISTRIBUTIO N SPECIALIST

Material Specifications

Casing Pal Sandwich Panel 20mm/30mm thickness, 80/80 micron I 80mm/200mm micron

Blades A irfoi l blades made of 1. 1 mm thick aluminum extruded

Bushes Brass bushes with I 2mm diameter

Linkage Linkages are made of 3mm thick Galvanized steel

Spindle Spindles are made of 12mm x I 2mm square Galvanized steel

Operating Temperature - I 0°C to I I 0°C as standard

Application

The Pre-Insulated Type Volume Control Damper has been specially designed for installation in system where high/medium/low pressure are experienced. These dampers are designed to operate from one con­trol point The damper's blade opening is controlled by electric motor.

Dimensions of D ampers

Minimum size of I OOmm (width) x I OOmm (height) and maximum size of2000mm (width) x 2000mm (height)

Standard thickness of the flange is 20mm

Standard length is 170mm

Selection of Motors

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

Size of Damper Torque of Motor Type of

(mm) (Nm) Motor

From 100 x 100 to 5

On/Off or 500 X 500 Modulating

From 550 x 550 to 10

On/Off or 1000 X 1000 Modulating

From I 050 x 2000 20

On/Off or to I 050 x 2000 Modulating

GA-9

FLow~TEcH AIR DISTRIBUTION SPECIALIST

Material Specifications

Casing 0.9mm thickness (21 gauge) Gl sheet

Blades Blades made of 0.9mm thickness (21 gauge) Gl sheet

Bushes PVC bushes 8mm x 8mm square with drive

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

Spindle Spindles are made of 8mm x 8mm square Galvanized steel

Operating Temperature -I ooc to I I OOC as standard

GA- 10

Application

The Round Type Volume Control Damper h a s been specially designed for installation in system where high/medium/low pressure are experi­enced. These dampers are designed to operate from one control point The damper's blade opening is controlled by hand locking quadrant.

D imensions of D ampers

Minimum size ofVCD is I OOmm 0 and maximum size is 400mm 0

Standard length is as follows (see Table I)

Dia Length

100 ISO

ISO 200

200 2SO

250 300

300 350

350 400

400 450 Table 1

FLO .. ._,TECH AIR DI STRI BUTI ON S PEC IALI ST

60

--~ --~ 20

.W 16 3 12

8 4 0

0.5

---------

1.0

--~

2.0 3.0 4.0

Stotic Pressure (in. H,O)

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

~~ J: Js .s ~ ~~ ~ ·~ e"F ~-3 ~ 3 ci:!C.

0.500

0.300

0.200

0.1 25 0.100

o.oeo 0.060 o.oso 0.040

0.030

0.020

O.QI5

0.010 o.ooa 0.006 0.005

/ 0.004 0.003

300

#'

v /

/ / / _,..- /

// v / ,/

./ // /"'

~ ;;...--~

500 600 800 1000 1500

Face 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 position. I .Volume Cont rol Damper opposed blades 2.Volume Cont rol Damper parallel blades

GA- l l

FLow~TEcH AIR DISTRIBUTION SPECI ALIST

VCD -w X

(Model) (Width) X

GA VCD Flange type galvanized steel frame with aluminum blade and hand-operated quadrant

GG VCD Flange type galvanized steel frame with galvanized steel blade and hand-operated quadrant

GAM VCD Flange type galvanized steel frame with aluminum blade and control electric motor

GAB VCD Box type galvanized steel frame with aluminum blade and hand-operated quadrant

GAS VCD Slip & clip type galvanized steel frame with aluminum blade and hand-operated quadrant

H (Height)

GGSVCD

Height in mm or inches Width in mm or inches

Slip & clip type galvanized steel frame with galvanized steel blade and hand-operated quadrant

PAVCD Pal sandwhch panel frame with aluminum blade and hand-operated quadrant

PAM VCD Pal sandwich panel frame with aluminum blade and control electric motor

GGRVCD Round type galvanized steel frame with galvanized steel blade and hand-operated quadrant

I GA VCD- 40" X 16" 1 Refers to flange type galvanized steel frame with aluminum blade and hand-operated quadrant. Size 40" (width) x 16" (height)

GA- 12