IT
ES
PT
GB
76
RUS
The usable height of the water trap must
be at least 150 mm.
2.8.3 Separate-pipes
roof outlet
The accessories to be used for this type of
installation and some of the connecting
systems that may be adopted are illustra-
ted in fig. 11.
There is the possibility of doubling the air-
intake and smoke-outlet pipes and then brin-
ging 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
13 mm H
2
O.
When calculating the lengths of pipe, take
into account the parameters given in the
Table 1.
Fig. 11
KEY
1 Separate pipes kit code 8089911
2 90° elbow MF
code 8077450 (6 pz.)
3
90° elbow
MF with take-off points code 8077452
4 a Extension L. 1000 code 8077351 (6 pz.)
4 b Extension L. 500 code 8077350 (6 pz.)
6 Int.-est. ring kit code 8091500
7 Inlet terminal code 8089500
9 Doubler fitting code 8091400
10 Tile with articulated joint code 8091300
11
Roof outlet terminal L. 1381
code 8091204
NOTE
Before connecting accessories, it is always advisable to
lubricate the internal part of the gaskets with silicon
products. Avoid using oils and greases.
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