Brochure
March
9200
March
9200
DębicaBranch:
ul.Metalowców4339-200Dębica
tel:+48(14)6809000,
e-mail:darco@darco.com.pl
fax:6809001
DARCOSp.zo.o.
39-206PustkówOsiedle48
tel:+48(14)6809090,fax:6809091
www.darco.com.pl
DARCOSp.zo.o.
39-206PustkówOsiedle48
tel:+48(14)6809090,fax:6809091
www.darco.com.pl
DębicaBranch:
ul.Metalowców4339-200Dębica
tel:+48(14)6809000,
e-mail:darco@darco.com.pl
fax:6809001
41
AIRFLOWCHARTS
100
200
300
1100
0
400
500
600
700
1200
1300
800
900
1000
1 2 3 4 5 6 7 8
RO20
0-
D
R
R
O
15
0-D
R
RO30
0
-D
R
R
O
250
-D
R
ROTOWENTDRAGON-self-adjustingchimneycowl
150 300
Ø Ø÷
ROTOWENTDRAGON
-self-adjustingchimneycowl
MEASUREMENTSTABLEFORVARIOUSINLETDIAMETERS
2 4 6 8 10 12 14
20
Windspeedv[m/s]
0
EfficiencyQ[m3/h]
40
60
80
100
120
140
160
ChimneyheightH[m]
EfficiencyQ[m3/h]
EfficiencyQ[m3/h]
EfficiencyQ[m3/h]
ChimneyheightH[m]
ChimneyheightH[m]
Sheetmetalchimney
withoutacowlØ150
RO150-DRonasheetmetal
chimney 150[mm]Ø
RO150-DRonabrick
chimney0.14x0.14[m]
Brickchimney
0.14x0.14[m]withoutacowl
3
[m
/s
]
4[m/s]
2 4 6 8 10 12 14
50
0
100
150
200
250
300
Sheetmetalchimney
withoutacowlØ200[mm]
RO200-DRonabrick
chimney0.20x0.20[m]
Brickchimney
0.20x0.20[m]withoutacowl
3
[m/s]
4[m/s]
4[m/s]
RO200-DRonasheetmetal
chimney 200[mm]Ø
3
[m/s]
2 4 6 8 10 12 14
50
0
100
150
200
300
400
450
500
250
350
3
[m
/s]
4[m/s]
4[m/s]
3[m/s]
Sheetmetalchimney
withoutacowlØ250
RO250-DRonasheetmetal
chimney 250[mm]Ø
RO250-DRonabrick
chimney0.22x0.22[m]
Brickchimney
0.22x0.22[m]withoutacowl
Efficiency chart for Rotowent Dragons (various
diameters) in a function of wind speed, not including the
influence of chimney height
*1 [m/s] = 3,6 [km/h]
Efficiency chart for Rotowent Dragon 150 in a function
of chimney height on a brick or sheet metal chimney
(for two wind speeds: 3 and 4 [m/s])
Efficiency chart for Rotowent Dragon 250 in a function of
on a brick or sheet metal chimney (for two
wind speeds: 3 and 4 [m/s])
chimney height
Efficiency chart for Rotowent Dragon 200 in a function of
chimney height on a brick or sheet metal chimney (for two
wind speeds: 3 and 4 [m/s])
42
ROTOWENTTWISTER-self-adjustingchimneycowl
150
Ø Ø 200÷
ROTOWENTTWISTER
-self-adjustingchimneycowl
rotowent
RO x a
d
TW- -b -
Self-adjusting chimney cowl Rotowent TWISTER is a device, which, in a dynamic way, uses force of the wind to
increase chimney draught. The cap always places itself in the opposite direction to the wind no matter of its
strength or direction.
It is to be mounted on gravitation based chimney ducts endings: flue (gas, oil) and smoke.
Maximal working temperature
Rotation system: slide bearings
o
: 400 [ C]
Ø150
Ø200
~500
~500
PICTURE
DENOTATIONS/PRODUCTCODES
DESTINATION
FUNCTIONPRINCIPE
Chimneydraught
Wind
Capswinging
moves
-whentherearewindfluctuationsonthechimneyductending,causedbyitsbadlocation
-whenthereisanunfavorableterrainconfiguration,withstrongandfrequentwinds
-whenthereisalackofchimneydraughtoritistooweak
-inordertoimprovethenatural(gravitation)ventilation,heatingorsmokechimneydraught
Diameter
Caprotation
diameterD[mm]
twisterversioncode
diameter
basematerial
capmaterial
baseversion
MEASUREMENTS
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Lp dw dz H h1
h2
A B d1
1
2
3
4
5
6
7
8
STANDARD
-R
-BIII
-B-K
-PT
-B
-X/Y-...-B-S
293.0
300.0
298.7
403.7
-
-
-
-
-
-
301.7
-
301.7
Y
800
- -
730
740
745
-
825
850
80
140
145
70
-
60
60
-
-
-
200
-
225
250
470
-
363
-
-
-
-
420
-
-
-
-
-
-
9.5
-
-
-
-
-
337
-
-
-
-
6.2 4
-
8
-
-
-
-
Ø 300
-
CH
5.60
4.50
5.00
5.20
-
4.95
-B-S - 301.7 750 60 150 - - -- - 4.40
4.75
Weight[kg]
Amount
n
Dimensions[mm]
Base
version
DESCRIPTION
CH
-
S
D
CH
-
-
S
D
-
ML
-
-
ML
Destination
Cap
material
Base
material
MATERIALS
Caution!
The cowl shouldn’t be mounted on ducts exhausting fumes from
stoves for low temperature fuels based on coal
Rotation
diameterD
W-ventilationducts
S-gasandoilexhaustducts
D-smokeducts
CH-chrome-nickelsheet1.4301
ML-coldrolledsteelpowdercoated
CH-chrome-nickelsheet1.4301
ML-coldrolledsteelpowdercoated