8 Installation
6 720 646 864 (12/2010) – Technical guide Logano GE315, GE515 and GE615
71
8.7 Additional accessories
8.7.1 Welded flanges
For the Ecostream cast iron boilers Logano GE315,
GE515 and GE615, special welded flanges are offered to
connect commercially available pipes to the boiler flow
and return. The welded flanges reduce the connection
cross-section of the boiler to the calculated pipe diameter
(Æ Tab. 40 and Tab. 41).
Provide an additional gasket to seal the flange
connection.
Logano GE315 and GE515
Fig. 56 Welded flange for Ecostream cast iron boilers
Logano GE315 and GE515
Logano GE615
Fig. 57 Welded flange for Ecostream cast iron boiler
Logano GE615
8.7.2 Flue gas butterfly valve
The flue gas butterfly valves with servomotors are used in
accordance with the regulations on heating systems to
hydraulically shut off multi boiler systems, and to provide
constant control of heating water flow rates (system
examples Æ Fig. 36, page 46 and Fig. 38, page 50).
They are particularly suitable for special functions in
systems with Ecostream cast iron boilers.
Versions: DN 50/65/80/100/125/150
Make: Sauter D 14 X…F200/AR…
Dimensions
of welded
flange
Logano
GE315
Pipe diameter DN
GE515
Pipe diameter DN
Unit 40 50 65 65 80 100
ØD1 mm 45 57 76 76 89 108
ØD2 mm 15 15 15 20 20 20
ØK mm 110 110 110 188 188 188
ØG mm 90 90 90 158 158 158
L mm 110 110 110 170 170 170
H1 mm 38 38 38 38 38 38
Tab. 40 Dimensions of the welded flanges for
Ecostream cast iron boilers Logano GE315 and
GE515
L
DN
K
G
6 720 644 097-54.1il
D2
D1
H1
Dimensions
of welded
flange
Logano GE615
Pipe diameter DN
Unit 100 125 150
ØD1 mm 108 133 168
ØD2 mm 18 18 18
ØK mm 225 225 225
ØG mm 202 202 202
ØD mm 265 265 265
H1 mm 48 48 48
Tab. 41 Dimensions of the welded flanges for
Ecostream cast iron boiler Logano GE615
K
G
D
DN
D2
H1
D1
6 720 644 097-55.1il
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