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Transcript of VOLUME CONTROL DAMPERS - flowtechind.com - Volume Control Dampers.pdf · The Flange Type Volume...
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