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Design a heat recovery system
Heat recovery unit
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Duct calculator
Information
Info
Select calculator type
Select duct type
Rectangular
Round
Select duct type
Rectangular
Round
Select duct type
Rectangular
Round
Select duct type
Rectangular
Round
Dimension A:
Size [mm]
Own size
100
150
200
250
300
400
500
600
800
1000
1200
1400
1600
1800
2000
mm
Dimension B:
Size [mm]
Own size
100
150
200
250
300
400
500
600
800
1000
1200
1400
1600
1800
2000
mm
Air flow:
m³/h
m³/s
l/s
For density:
Galvanized steel
Acid-resistant steel
Aluminum
Round duct diameter ⌀d:
Size [mm]
Own size
80
100
112
125
140
150
160
180
200
224
250
280
300
315
355
400
450
500
560
600
630
710
800
900
1000
1120
1250
1400
1500
1600
1800
2000
2200
2400
mm
Air flow:
m³/h
m³/s
l/s
For density:
Galvanized steel
Acid-resistant steel
Aluminum
Copper
Dimension A:
Size[mm]
Own size
100
150
200
250
300
400
500
600
800
1000
1200
1400
1600
1800
2000
mm
Dimension B:
Size [mm]
Own size
100
150
200
250
300
400
500
600
800
1000
1200
1400
1600
1800
2000
mm
Air speed:
m/s
m/h
km/h
For density:
Galvanized steel
Acid-resistant steel
Aluminum
Round duct diameter ⌀d:
Size[mm]
Own size
80
100
112
125
140
150
160
180
200
224
250
280
300
315
355
400
450
500
560
600
630
710
800
900
1000
1120
1250
1400
1500
1600
1800
2000
2200
2400
mm
Air speed:
m/s
m/h
km/h
For density:
Galvanized steel
Acid-resistant steel
Aluminum
Copper
Air flow:
m³/h
m³/s
l/s
Air speed:
m/s
m/h
km/h
For density:
Galvanized steel
Acid-resistant steel
Aluminum
Air flow:
m³/h
m³/s
l/s
Air speed:
m/s
m/h
km/h
For density:
Galvanized steel
Acid-resistant steel
Aluminum
Copper
The ducts and fittings are available in low- and medium-pressure versions (min. vacuum / max. overpressure):
Class N design (low-pressure design):standard design from -400 Pa to +1000 Pa
Class S design (medium-pressure design): from -1000 Pa to 2500 P
Dimension of the long side
[mm]
Dimensional tolerance for the duct side
[mm]
Class N minimum sheet thicknes
[mm]
Class S minimum sheet thicknes
[mm]
100-500
0-4
0,6
0,7
501-1000
0-4
0,8
0,9
1001-2000
0-4
1,0
1,1
2001-4000
0-5
1,1
1,2
Dimension A:
Size[mm]
Own size
100
150
200
250
300
400
500
600
800
1000
1200
1400
1600
1800
2000
mm
Dimension B:
Size [mm]
Own size
100
150
200
250
300
400
500
600
800
1000
1200
1400
1600
1800
2000
mm
For length:
m
cm
mm
For density:
Galvanized steel
Acid-resistant steel
Aluminum
Copper
Sheet thickness:
Select sheet thickness
0,4
0,5
0,6
0,7
0,8
0,9
1,0
1,1
1,2
mm
Round duct diameter ⌀d:
Size[mm]
Own size
80
100
112
125
140
150
160
180
200
224
250
280
300
315
355
400
450
500
560
600
630
710
800
900
1000
1120
1250
1400
1500
1600
1800
2000
2200
2400
mm
For length:
m
cm
mm
For density:
Galvanized steel
Acid-resistant steel
Aluminum
Copper
Results
Hydraulic diameter:
mm
cm
m
Air speed:
m/s
m/h
km/h
Results
Hydraulic diameter:
mm
cm
m
Air speed:
m/s
m/h
km/h
Results
Hydraulic diameter:
mm
cm
m
Air flow:
m³/h
m³/s
l/s
Results
Hydraulic diameter:
mm
cm
m
Air flow:
m³/h
m³/s
l/s
Results
Suggested diameter
Dimension A:
mm
cm
m
Dimension B:
mm
cm
m
Hydraulic diameter:
mm
cm
m
Air speed:
m/s
m/h
km/h
Results
Suggested diameter
Hydraulic diameter:
mm
cm
m
Air speed:
m/s
m/h
km/h
Alternative ducts
mm
cm
m
m/s
m/h
km/h
Alternative ducts
mm
cm
m
m/s
m/h
km/h
Results
Duct weight:
kg
g
Sheet thickness:
mm
cm
m
Results
Duct weight:
kg
g
Sheet thickness:
mm
cm
m
Lista dostępnych kanałów wynikająca z wyliczonych parametrów
Catalog number
Name
SPR-C-0140-050-0300
Spiralnie zwijane kanały wentylacyjne
SPR-C-0140-050-0300
Spiralnie zwijane kanały wentylacyjne