MFD
Fire & Gas Dampers
Per formance
Ordering
Full aerodynamic performance data is presented
Quantities, control requirements and other special
below and is based on tests conducted.
requirements to be stated separately.
50
Duct Width 500W
Type MFD
Duct Height 300H
Material 316L
40
Case Depth 200D
Case Thickness 2.0
30
Type Wozair:
High Integrity Fire
and Gas Damper
20
Case Material:
10
Stainless Steel
1.4301
= 304
(SS304)
(SS304L) = 304L
Low Carbon
1.4307
7
8
9
10
11
12
13
14
Low Carbon
1.4404
(SS316L) = 316L
Duct air velocity (m/s)
Mild Steel Sheet
Pre-Galvanised
FeP02 nac = GSS
Galvanised after Manufacture = GAM
Total Pressure Loss (PT)
Case Thickness: 2 - 10mm
Nominal
Clear inside duct dimensions
This is the difference in pressure measured across
Duct Size:
`Quote' (Width x Height)
the damper, when the blades are fully open.
Dimensional Limits
Order Code Example:
MFD/316L/2.0/500W/300H/200D
Bulkhead Applications: The minimum size is 150mm
wide x 150mm high. The maximum single module
size is 2500mm x 2100mm.
Deck Applications: The minimum size is 150mm
wide x 150mm high.
The maximum single module size is 2500mm wide x
200\300
1000mm high. Larger sizes subject to evaluation.
Air flow in
either direction
250
Access required for
Flange
Cabling/Pipework
Typ
hook-up
Duct
Height
Access required for
Removal of Cover
and Controls
Enclosure
Alternative location for
Pneumatic/Electric
Flange
Connections
Duct Width
50
Flange