Biasi RCB 3S Series Installation, Operating And Maintenance Manual page 49

Pressurised steel boilers
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MOD
70
80
90
100 120 150 200 250 300 350 400 500 620 750 850 950
A
100 100 100 100 100 100 100 100 100 100
100 100 100 100 100 100 100 100 100 100
B
C
-
-
-
-
-
-
-
-
-
ENGLISH
85
85
85
85
85
95
125 125 125 125 125
-
-
550 550 605 605 605
49
Key
1.
Front tube plate
2.
Furnace
3.
Upper tube nest
4.
Flow trap
5.
Lower tube nest
6.
Rear tube nest
7.
Smoke tubes
8.
Tie rod or stiffening stub
9.
Side frame
10.
Square tubes
11.
Manhole
12.
Smokebox
N1 Flow
N2 Return
N3 Instrument fitting
N4 Lower fitting
N5 Fitting for safety valve and expansion vessel
N6 Bulb wells
1000
1200
1300
85
85
85
85
125
125
125
680
680
680
DIMENSIONS AND WEIGHTS OF THE BULKIEST PARTS
Furnace
Ø
length
weight
mm
kg
MOD.
mm
70
400
645
24
80
400
645
24
90
400
770
29
100
400
770
29
120
400
770
29
150
450
1018
53
450
1018
53
200
250
450
1240
67
500
1240
73
300
350
500
1490
88
545
1490
115
400
500
645
1500
145
645
1790
172
620
750
690
1800
227
690
1800
227
850
950
690
2050
257
1000
790
2065
316
1200
790
2065
316
1300
790
2065
316
1400
845
2378
390
1600
845
2378
390
845
2588
425
1800
1400
1600
1800
85
85
85
215
215
215
-
-
-
Manhole
width
height
weight
mm
mm
kg
700
630
33
700
630
33
700
630
33
700
630
33
700
630
33
750
680
40
750
680
40
750
680
65
850
778
90
850
778
90
890
807
110
1100
984
180
1100
984
180
1240
1130
210
1240
1130
210
1240
1130
210
1390
1270
235
1390
1270
235
1390
1270
235
1470
1367
435
1470
1367
435
1470
1367
435

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