9
Refractory cement
Blind burner plate 450x450
Burner plate insulation gasket 450x450
ø 380
ø 380
210
I
mm
T4
ISO 7/1
T1 C.H. flow
T2 C.H. return
T3 Expansion vessel connection
T4 Boiler drain
T5 Flue socket
T6 Max. burner blast tube dia.
T7 Sludge drain
T8 Inspection door
(*) Minimum dimensions for boiler room access requirements.
(**) Hydraulic resistance for delta T 15K.
DIMENSIONS AND HYDRAULIC CONNECTIONS FOR ELLPREX 3000÷4000
ELL 3000
ELL 3500
ELL 4000
ELLPREX
Model
ELLPREX
Model
ELL 3000
ELL 3500
ELL 4000
A
mm
1720
1970
1970
B
mm
3230
3194
3594
1830
2090
2090
C
mm
190
190
190
D
mm
295
325
325
E
mm
F
mm
340
390
360
G
mm
1315
1535
1535
H
mm
772
915
915
3835
3879
4279
L
mm
115
144
144
1990
2271
2271
M*
mm
325
377
777
N
mm
1100
1060
1060
O
mm
1330
1280
1420
P
mm
1620
1870
1870
Q*
mm
3200
3164
3564
R*
mm
Nominal
Output
kW
2300÷3000
2700÷3500
3040÷4000
Nominal
Input
kW
2492÷3280
2930÷3825
3297÷4371
Water
content
l
2667
4142
4455
Water side
pressure
loss(**)
m w.c.
0,36÷0,62
0,54÷0,84
0,54÷0,85
1 Panel board
2 Burner fixing plate
3 Smoke chamber cleaning door
4 Sight glass
Smoke side
pressure
loss
mm w.c.
35÷60
47÷78
60÷80
Maximum
working
pressure
bar
6
6
6
Weight
kg
5110
6700
7500
T1
T2
UNI 2278 PN16
T3
UNI 2278 PN16
DN 125
DN 125
DN 125
DN 200
DN 200
DN 250
Rp 1½
Rp 1½
Rp 1½
T5
Øi
mm
570
620
620
T6
Ø
mm
380
400
400
DETAIL FOR DOOR DRILLING
ELL 3000
CONNECTIONS
DIMENSIONS
fig. 11
fig. 12
DETAIL FOR DOOR DRILLING
ELL 3500÷4000
fig. 13
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