Caleffi 551 - Manual (Page 3)

3
Technical
characteristics
of insulation on
flanged models
from DN 50 to
DN 100
Technical
characteristics
of insulation on
flanged models
DN 125 and
DN 150
Inner part
Material:
rigid closed-cell expanded polyurethane foam
Thickness: 60 mm
Density: 45 kg/m 3
Conductivity (ISO 2581): 0,023 W/(m·K)
Temperature range: 0–105°C
Outer part
Material:
embossed aluminium
Thickness: 0,70 mm
Fire resistance (DIN 4102): class 1
Head covers
Heat formed material:
PS
Inner part
Material:
closed-cell expanded PE-X
Thickness: 60 mm
Density: - inner part: 30 kg/m 3
- outer part: 80 kg/m 3
Conductivity (ISO 2581): - at 0°C: 0,038 W/(m·K)
- at 40°C: 0,045 W/(m·K)
Water vapour resistance coefficient (DIN 52615): > 1.300
Temperature range: 0–100°C
Fire resistance (DIN 4102): class B2
Outer part
Material:
embossed aluminium
Thickness: 0,70 mm
Fire resistance (DIN 4102): class 1
Caratteristiche
idrauliche
Hydraulic
characteristics
Hydraulische
Merkmale
Caractéristiques
hydrauliques
Características
hidràulicas
Características
hidráulicas
Hydraulische
kenmerken
∆p (mm w.g.)
2
400
100
10
G
(m
3
/h)
20
50
200
0,5
90
80
70
60
12
14
16
18
25
30
35
40
45
120
140
160
180
250
300
350
4
1
0,1
0,2
0,5
0,9
0,8
0,7
0,6
0,12
0,14
0,16
0,18
0,25
0,3
0,35
0,4
0,45
1,2
1,4
1,6
1,8
2,5
3
3,5
2
∆p (kPa)
10
1 5 0,6 0,7 0,8 0,9 1,2 1,4 1,6 1,8 2,5
3
3,5
4
4,5
6 7 8 9
12 14 16 18 25 40 45
20
30 35
50
3/4" 1" 1
1/4"
1
1/2"
DN
50
DN
65
100
60 70 80 90
DN
80
DN
100
Ø
22
(551
002)
3/4"
(551
003)
12
0
14
0
16
0
18
0
200
DN
125
DN
150
2” Ø
22
-3/4"
-1”
Ver
tical
version
DN
Cn.
Kv (m 3 /h)
DN 20
Ø 22-3/4”
10,0
DN 32
1 1/4"
48,8
DN 40
1 1/2"
63,2
DN 50
2"
70,0
DN 50
–
75,0
DN 65
–
150,0
DN 80
–
180,0
DN 100
–
280,0
DN 125
–
450,0
DN 150
–
720,0
DN 200*
–
900,0
DN 250*
–
1200,0
DN 300*
–
1500,0
DN 25
1”
28,1
DN 20
3/4”
16,2
DN 20
vertical
Ø 22-3/4”
17,0
DN 25
vertical
1”
17,0
* Not shown on graph