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TABLE 2
Accessories ø 80
Head loss (mm H
90° elbow MF
45° elbow MF
Extension L. 1000 (horizontal) 0,20
Extension L. 1000 (vertical)
Outlet terminal
Inlet terminal
Doubler fitting
Roof outlet terminal L. 1 240
Example of allowable installation calculation version "90 A" in that the sum of the head
losses of the single fittings is less than 12,5 mm H
7 m horizontal pipe ø 80 x 0,20
7 m horizontal pipe ø 80 x 0,30
n° 2 90° elbows ø 80 x 0,30
n° 2 90° elbows ø 80 x 0,40
N° 1 terminal ø 80
Total head loss
2.6. 1
Separate pipe accessories
Kit code 8089903 is supplied for this pur-
pose (fig. 8).
The sectored diaphragm is to be used
according to the maximum head loss
allowed in both pipes, as given in fig. 9.
KEY
1 Separate pipes kit code 8089903
2 90° elbow MF code 8077404
3 90° elbow MF with take-off points
code 8077407
4a Extension L. 1000 code 8096000
O) vers. "90 A"
2
Inlet
Outlet
Roof outlet
0,30
0,40
–
0,20
0,30
–
0,30
–
0,30
0,30
–
–
0,30
–
0, 1 0
–
–
0,50
1,60
–
–
–
0,50
O:
2
Inlet
Outlet
1,40
–
2, 1 0
0,60
–
0,80
0, 1 0
0,30
2, 1 0
+
3,20
2.6.2
Separate-pipes roof outlet
The roof outlet terminal L. 1240 cannot be
shortened and when positioning the tile, the
minimum distance from the discharge head
terminal must not be less than 700 mm (fig.
10). The accessories to be used for this type
4b Extension L. 500 code 8096001
5 Outlet terminal code 8089501
6 Int.-est. ring kit code 8091500
7 Inlet terminal code 8089500
8 90° elbow MF code 8077406
Head loss (mm H
O) vers. "110 A"
2
Inlet
Outlet
Roof outlet
0,30
0,50
–
0,20
0,40
–
0,20
0,40
–
0, 1 0
0,30
–
–
0,40
–
0, 1 0
–
–
0,50
1,80
–
–
–
0,60
–
–
=
5,3 mm H
O
2
Fig. 9
3
2
4
5
3
KEY
1 Blind flange
2 Flue gas duct flange
3 Fixing screw
4 Gasket ø 125/95
5 Intake duct collar
of installation and some of the connecting
systems that may be adopted are illustrated
in fig. 11. There is the possibility of doubling
the air-intake and smoke-outlet pipes and
then bringing them back together again so
as to obtain a concentric discharge by using
the doubler fitting (9 fig. 11).
For this type of discharge the sum of the
maximum rectilinear development allowed
for the pipes must not exceed 12.5 mm
H
O (version "90 A") e 15.5 mm H
2
sion "110 A").
When calculating the lengths of pipe, take
into account the parameters given in the
Table 2.
KEY
1 Tile with articulated joint
2 Lead panel
3 Collar
Locking screw
4
5 Reducing fitting
with washer
1
Fig. 8
O (ver-
2
Fig. 10
5
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