I NDUSTRIA L TUBES
Tube code
E2AD-95228/55/15/25
d1
cuprofin tube type
performance generation
state of the art
D = seamless drawn
d1 = outside diameter = x.xx mm
sk= bottom wall = 0.xx mm
n = number of fins
= lead angle = x°
h = fin height = 0.xx mm
= apex angle
sk
ß
h
α
-E
Inner-grooved seamless drawn copper tubes
Application
Wieland cuprofin-E tubes are highly efficient heat transfer tubes
for tube-side evaporation in fin coils. The grooves on the inside
of the tubes are designed for optimised heat transfer for a num-
ber of refrigerants, allowing the development of more compact
heat exchangers.
Form of delivery
Level-wound coils
Material
Copper Cu - DHP
Copper C 12200
Copper SF - Cu
Standard
EN 12735-2*
ASTM SB 359
VdTÜV 420/6
Temper
annealed Y040
light annealed O50
annealed F22
*Conforms to the Pressure Equipment Directive PED 97/23/EC.
d1
mm
sk
h
n
inch
mm
mm
–
°
Tube code
9.52
3
/8
0.28
0.25
55
15
E2AD-95228/55/15/25
9.52
3
/8
0.30
0.25
55
15
E2AD-95230/55/15/25
Other types upon request.
-E
E VA P O R AT I O N
Heat transfer performance
Pressure drop
32
R407C (no oil)
7000
R407C (no oil)
28
6000
24
Pressure drop [kPa]
Heat transfer coefficient [W/m²K]
8000
5000
4000
3000
20
16
12
2000
8
1000
4
0
0
0
50
100
150
200
250
300
350
0
50
100
Mass flow rate [kg/m2s]
14000
200
250
300
350
10
R410A (no oil)
R410A (no oil)
9
12000
8
10000
7
Pressure drop [kPa]
Heat transfer coefficient [W/m²K]
150
Mass flow rate [kg/m2s]
8000
6000
4000
6
5
4
3
2
2000
1
0
0
0
50
100
150
200
250
300
0
50
Mass flow rate [kg/m2s]
Test conditions
Tube Type
Tube Application
Process Application
Material
Evaporation – 9.52 mm tubes
t0 = 0 °C
superheat ~5 K, inlet quality 20 %
tube length 2 m
Standard
evaporation
condensation
fin coils
shell & tube
copper
100
150
200
250
300
Mass flow rate [kg/m2s]
cuprofin E
cuprofin standard
plain tube
This leaflet
E
EDX
C
evaporation
evaporation
condensation
fin coils
shell and tube
evaporators
fin coils
copper
copper
copper
G
single phase
heat transfer
highly viscous
liquids
L10
evaporation
condensation
copper
cupro nickel
seawater
Wieland-Werke AG
www.wieland.com
Graf-Arco-Str. 36, 89079 Ulm, Germany, Phone +49 (0)731 944-0, Fax +49 (0)731 944-6330, info@wieland.de
This printed matter is not subject to revision. No claims can be derived from it unless there is evidence of intent or gross negligence. The product characteristics are not guaranteed and do not replace our experts' advice.
03.15 Rg (GSW/Ri)
W W W.W I E L A N D - I N D U S T R I A LT U B ES .C O M