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1.3 Technical data
RTT BOILER MADE OF CAST IRON
Number of sections
Heat output
Heat input
Maximum operating temperature
Temperature adjustment range
Gas side resistor
Maximum operating pressure
Boiler water capacity
Diameter flue pipe fitting
Combustion chamber
dimensions
Water input-output coupling
Boiler gas volume
Combustion chamber volume (gas side)
Safety limit thermostat
Type of fuel
Flue gases output temper-
ature
Mass flow of the flue gases
Type of burner
Dimensions of burner flange coupling
Heat loss in stand-by
Boiler length (L)
Boiler net weight
RTT 163
RTT 195
5
169
195
140,000
167,500
177
1.25-1.60
1.35-1.70
77
0.077
0.093
width X
length
L
691
835
142.17
170.43
0.142
0.170
101.89
122.15
0.102
0.122
full load
182-187
178-185
partial
165-172
164-170
load
full load
273
326
partial
164
load
0.25
0.24
3,780
4,342
1,070
1,215
485
565
RTT 227
RTT 259
6
7
8
227
259
195,000
222,500
211
246
281
90
30-90
1.55-1.90
1.78-2.20 2.08-2.50 2.37-2.80 2.65-3.10
6
93
109
125
0.109
0.125
see table pag. 12
442 X 391
979
1,123
G 3
198.69
226.95
0.199
0.277
142.4
162.65
0.142
0.163
110
Natural gas (I
Extra Light Fuel Oil
175-180
173-178
162-168
161-165
380
433
196
228
260
With short head
185
0.22
0.20
4,633
4,806
1,360
1,505
650
735
6
RTT 291
RTT 323
RTT 355
9
10
291
323
250,000
277,500
305,000
316
351
385
141
157
0.141
0.157
0.173
1,267
1,411
1,555
255.21
283.47
311.73
0.255
0.283
0.312
182.91
203.16
223.41
0.183
0.203
0.223
H)
2
173-175
170-173
172-170
160-165
158-163
156-161
487
540
594
292
324
0.19
0.18
0.16
5,130
5,395
5,270
1,650
1,795
1,940
810
895
UM
11
pieces
355
kW
kCal/h
kW
°C
°C
mbar
bar
173
litres
m
2
mm
mm
mm
DN (*)
dm
3
(lt.)
m
2
dm
3
(lt.)
m
2
°C
gas
comb.
liquid
°C
°C
kg/h
356
kg/h
mm
%
kCal/h
975
Kg
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