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DUO PREX N 180÷600 BOILER
N1 Flow
N2 Return
N3 Fitting for instruments
N4 System filling/drainage
Characteristics
Heat output
kW
kcal/h
DUO PREX N 180
180
155.000
DUO PREX N 200
200
172.000
DUO PREX N 240
240
206.000
DUO PREX N 300
300
258.000
DUO PREX N 400
400
344.000
DUO PREX N 500
500
430.000
DUO PREX N 600
600
516.000
Dimensions
H
H2 H3 H4 H6 H7 H8 H10 H11 L
mm
mm
mm
mm
DUO PREX N 180
1693
415
1245
1610
DUO PREX N 200
1693
415
1245
1610
DUO PREX N 240
1693
415
1245
1610
DUO PREX N 300
1793
440
1320
1710
DUO PREX N 400
1793
440
1320
1710
DUO PREX N 500
1793
440
1320
1710
DUO PREX N 600
1993
490
1470
1910
N5 Fitting for 2
N6 Bulb wells
N8 Inspection well
200
Effinciency
Furnace output
100% (N.C.V.)
kW
kcal/h
%
196
168.560
91,84
218
187.480
91,74
262
225.320
91,60
326
280.360
92,02
436
374.960
91,74
544
467.840
91,91
650
559.000
92,31
L1 L2 L4
mm
mm
mm
mm
mm
mm
mm
mm
415
1245
780
54,5
884,5
950
750
700
415
1245
780
54,5
884,5
950
750
700
415
1245
780
54,5
884,5
950
750
700
440
1320
830
54,5
934,5
1000
800
750
440
1320
830
54,5
934,5
1000
800
750
440
1320
830
54,5
1034,5
1000
800
750
490
1470
930
54,5
1034,5
1100
900
850
- 31
nd
safety valve
Minimum
Pressure losses
Pressure losses
output
flue gas side
water (∆T=12°C)
kW
kcal/h
mbar
mbar
90
77.000
0,8
12
100
86.000
1,0
14
120
103.000
1,1
15
150
129.000
1,2
16
200
172.000
1,9
17
250
215.000
2,0
17
300
258.000
2,0
18
P
P2 P3 P4 P6 Øb Øc N1 N2 N3 N4 N5 N6 N8
mm
mm
mm
mm
mm
mm
mm
540
1490
755
1121
369
200-250
120
540
1490
755
1121
369
200-250
120
540
1490
755
1121
369
200-250
120
590
1798
1000
1400
398
200-250
120
590
1798
1000
1400
398
200-250
160
590
2048
1250
1650
398
200-250
160
690
2049
1250
1651
398
200-250
160
-
GENERAL
Max working
Capacity Weight
pressure
bar
l
kg
5
246
536
5
246
536
5
246
536
5
344
776
5
344
776
5
440
882
5
600
969
mm
DN/in
DN/in
in
in
in
in
in
200
65
65
1"
1"
1"
1/2"
1/2"
200
65
65
1"
1"
1"
1/2"
1/2"
200
65
65
1"
1"
1"
1/2"
1/2"
250
80
80
1"
1"
1"
1/2"
1/2"
250
80
80
1"
1"
1"
1/2"
1/2"
250
80
80
1"
1"
1"
1/2"
1/2"
250
80
80
1"
1"
1"
1/2"
1/2"
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