94
IT
ES
PT
GB
2.7.3
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. 12.
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. 12).
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 2
.
Fig. 12
KEY
1
Separate pipes kit code 8089911
2
90° elbow MF (6 pz.) code 8077450
3
90° elbow MF with take-off points code 8077452
4 a Extension L. 1000 (6 pz.) code 8077351
4 b Extension L. 500 (6 pz.) code 8077350
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
Bef or e connecting accessor ies, it is
always advisable to lubricate the internal
part of the gaskets with silicon products.
Avoid using oils and greases.
Summary of Contents for PLANET DEWY 30 BF
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