LindabComfort

Ventilation
Comfort 2002
Comfort is
the key
Environmentally friendly and effective ventilation
systems are in demand more than ever before, and
when planning such systems these days human
comfort is a far more important factor than it used to be.
Comfort is the key to helping people work optimally,
and this makes great demands on both our products
and their effectiveness.
Thanks to many years of highly focused product
development and ongoing dialogue with customers,
Lindab has made a significant impact on developments in the ventilation industry.
Our product range, which is sold under the name
LindabComfort, comprises units for both mixed and
displacement ventilation systems.
REGISTER
Ceiling diffusers
1
Wall diffuser
2
Industrial diffusers
3
Nozzles
4
Aluminium grilles
5
Steel grilles
6
Plenum boxes for grilles
7
Displacement ventilation
8
Low impulse supply
9
Ventiduct™
10
Air flow regulator
11
VAV system
12
Control valves
13
Fresh air valves/overflow unit
14
Theory
15
Lindab ITline
16
Ventilation
17
™
© 06.2001. Lindab A/S. All forms of copying without written permission are forbidden.
is Lindab AB’s registered trademark. Lindab’s products,
systems and product group and product designations are protected by intellectual property rights (IPR).
LindabComfort
®
VSR
Ventiduct
TM
Dimensions
1
2
∅
d
d1
L
∅
∅
d
nom
mm
d1
Weight
L
mm
kg/m
max
200
212
4.5
3000
250
315
400
500
262
327
412
512
5.4
6.9
8.6
10.9
3000
3000
3000
3000
Nozzle pattern
Description
The standard Ventiduct system has a maximum length of 3000
mm. For other lengths, please contact Lindab. The factory
packs specially to minimise the risk of damage during transport. The packaging is numbered to ensure that the ducts can
be mounted in the right order with a continuous spiral seam.
NB: Keep the Ventiduct in their packaging until assembly to
retain their numbered order.
∅
300°
Order code
300
3
4
5
6
7
8
9
270°
270
10
180°
1
2
180
11
etc.
12
Use NPU connectors to assemble the jet ducts.
If you need to remove the nozzle ducts (e.g. for cleaning) we
recommend that you use LindabTransfer connectors.
90°
090
13
Accessories
14
Mounting bracket INV (see page 305)
2 x 90°
290
Blind piece
with no nozzles
but same design
000
15
Bestilling:
Product code:
Type
∅
d
VSR aaa bbb cccc / d e
Nozzle pattern
Length/no. of parts
0 galvanised
Finish
1 powder coated
Right to alterations reserved.
The blind piece is a special produced spiralduct of
which the design is similar to the duct though without
nozzles. Is available in same lengths as normal Ventiduct™.
16
17
®
LindabComfort
VSR
Ventiduct
TM
1
2
3
4
5
Specifications
Max. volume flow per
metre of duct l/s
Nozzle pattern
180°/2x90°
270°
Dim.
90°
300°
200
45
95
140
155
250
60
115
175
195
315
75
150
220
245
400
95
190
280
315
500
115
235
350
390
Max. total duct length (m)
6
7
8
9
10
11
12
13
Dim.
90°
200
14
250
315
Nozzle pattern
180°/2x90°
270°
300°
7
5
4
17
8
6
5
21
11
7
6
400
27
14
9
8
500
34
17
11
10
Sound power level
LW (dB) = LWA + Kok
Dim.
125
250
500
1000
2000
4000
8000
200
-7
0
1
-6
-15
-21
-27
250
-5
1
-1
-5
-11
-18
-22
315
1
2
-2
-4
-11
-16
-19
400
-1
-1
-3
-4
-9
-14
-17
500
4
0
-3
-4
-9
-16
-14
LWA see page 303.
Polluted air
14
Due to the size of the nozzle (Ø5 mm), we recommend that the
Ventiduct system is only used for the supply of clean air.
15
16
17
Right to alterations reserved.
LindabComfort
®
VSR
Ventiduct
TM
Specifications
1
Pressure and sound
2
To calculate the resulting sound power level from a Ventiduct,
the sound power level of the ducts (LW nozzle) and sound power
level of the flow noise in the Ventiduct (LW duct) should be added
to each other logarithmically.
LWA dB(A)
Dimension:
50
200
250
315
Addition of sound levels from nozzle and duct:
3
Difference added to highest dB value (dB)
400
3
45
500
40
4
35
2
30
5
25
1
20
15
LW duct
30
40
10 100
50
150
70
200
100
300
PS ( Pa )
50
150
400 500
200
300
700
1000
90°
2x90° 180°
2
6
8
10
90°
2x90° 180°
20
25
20
30
15
15
10
20
15
15
10
10
7
20
30
15
40
20
50
30
70
40
100
50
150
I/s
LW nozzle dB(A)
5
7
m3/h
200 m
10
20
PS ( Pa )
15
30
40
50
20
30
70
40
100
2x90° 180°
270° 300°
90°
50
∅315
25
2x90° 180°
200
m3/h
m
10
30
25
20
30
15
20
15
15
10
10
7
7
LW nozzle dB(A)
5
10
15
40
20
50
30
70
40
100
50
150
12
15
10
20
11
270° 300°
∅400
40
20
30
I/s
50
150
PS ( Pa )
90°
50
40
9
7
LW nozzle dB(A)
10
8
10
20
7
7
270° 300°
∅250
40
5
12
Difference between dB values (dB)
50
25
30
4
PS ( Pa )
270° 300°
∅200
40
0
700
1500 2000
6
0
I/s
1000 3
m /h
3000
400 500
70
200
I/s
m3/h
300 m
10
13
LW nozzle dB(A)
5
15
40
20
50
30
70
40
100
50
150
70
200
100
300
I/s
m3/h
400 m
14
PS ( Pa )
90°
50
2x90° 180°
270° 300°
30
∅500
40
The sound levels from the nozzles
apply to a duct with a length of 1 metre.
Correction for other duct lengths:
25
20
30
15
20
10
Length
15
10
1.0
m
Correction 0
7
LW nozzle dB(A)
5
I/s
15
50
20
70
30
100
Right to alterations reserved.
40
150
50
70
200
100
300
400
m3/h
500 m
1.5
m
2.0
m
2.5
m
3.0
m
4.0
m
5.0
m
6.0
m
2
3
4
5
6
7
8
15
16
17
LindabComfort
®
VSR
Ventiduct
TM
1
Specifications
Distribution patterns
2
Up
3
Velocity in the occupied zone
The velocity in the occupied zone is the result of jet velocities and
the thermal air movements in the room in question. An exact
calculation of the resulting velocity in the occupied zone can be
performed using a data program (please contact the sales
department).
When supplying air upwards, the maximum velocities in the occupied zone depend on the temperature difference ti - tr . The
best results can be achieved by using the maximum supply
volume per metre of pipe in accordance with the table on page
302.
Depending on the thermal load (W/m2) and duct distance, an
estimated maximum speed in the occupied zone can be found
in the diagram below.
4
5
6
Maximum velocity in occupied zone. Distribution pattern upwards
with maximum volume flow per metre of duct (distance to ceiling
> 4 x Ød).
7
m/s
0,50
Distance between ducts 10m 9m 8m
7m
6m
5m
4m
0,45
8
3m
2m
0,40
Down
0,35
0,30
0,25
9
0,20
0,15
0,10
10
0,05
0,00
0
50
100
150
200
W/m2
250
11
For further technical information, please contact the sales
department.
12
13
Horizontal
14
15
16
17
Right to alterations reserved.
LindabComfort
®
INV
Ventiduct
TM
Dimensions
1
2
3
4
5
6
Description
7
Accessories
8
Inside mounting bracket for Ventiduct. Material 25 x 2 - M10.
Electrically galvanised.
Additional accessories:
End caps, ESU
Connectors, NPU
LindabTransfer
∅
d
9
10
11
12
13
14
15
16
Ordering:
Product code:
Type
∅
d
Right to alterations reserved.
17
INV aaa