Volume Control
and Modulating Dampers
Ordering
Duct Width 600W
Type VCD
Duct Height 400H
Material 316L
Ordering quantities, surface finish and other special
Case Depth 200D
Case Thickness 3.0
requirements to be stated separately.
Type Wozair:
Volume Control Damper
* If isolation of airflow is also a requirement, we
recommend our isolating damper as detailed on
page 17 of this publication.
Damper Types:
PVCD =
Pneumatic Volume Control
Damper
EVCD =
Electric Volume Control
Damper
Case Material:
Stainless Steel
1.4301
= 304
(SS304)
Low Carbon
1.4307
(SS304L) = 304L
Low Carbon
1.4404
(SS316L) = 316L
Mild Steel Sheet
Pre-Galvanised
FeP02 nac = GSS
Galvanised after Manufacture = GAM
Case Thickness: 1.5mm to 10mm
refer to description
Nominal
Clear inside duct dimensions
Duct Size:
`Quote' (Width x Height)
Order Code Example:
VCD/316L/3.0/600W/400H/200D
200/300
Air flow in
either direction
250
Access required for
Flange
Cabling/Pipework
Typ
hook-up powered
options only
Duct
Height
Access required for
Removal of Cover
and Controls
Enclosure or
Alternative location for
Mounting Plate
Pneumatic/Electric
Flange
Connections
Duct Width
50
Flange