REVISION LEVEL A - 09/09/15
DUCTING RATING GUIDE
37
8
DUCTING RATING GUIDE FOR AIRTRONIC D4
DESIGNATION COMPONENT RATING
(measurements in millimeters) 1-duct 2-duct
Heating air ducting with reduction hood 75 dia.
(heater rating 3)
Heating air ducting with reduction hood 90 dia.
(heater rating 10) 75 90 75 90
1 Flexible pipe, 75 dia. per m 1 - 0.2 -
1a 90° pipe bend of ex. pipe, 75 dia. 0.2 - - -
2 Connecting socket, metal, 75 dia. 0.0 - 0.0 -
3 Grille 0.4 0.1 0.1 0.03
4 Grille, 75 dia. 2.0 - - -
5 Intake silencer, 75 dia. 0.8 - - -
6 Reduction hood, 75 dia. 0 - - -
7 Spherical reduction hood, 75 dia. 0.8 - - -
8 T-piece 75x75x75 dia. - - 0.5 -
Regulating valve 75x75x75 dia. with ap
9 Position “middle” - - - -
Position “right/left” - - 1.8 -
10 Branch piece 75x75x75 dia. - - 0.6 -
11 Outlet grill (rotatable) 75 dia. 0.8 - 0.2 -
12 Connector, 75 dia. 0 - 0 -
13 Outlet grill 1.1 - 0.3 -
14 Connector, 75 dia. - 0.5 - 0.1
15 Ring, 75x90 dia. 0.5 - - -
16 Flexible pipe, 90 dia. per m - 1 - 0.25
17 Connector socket, 90 dia. with grille - 0 - 0
18 Reduction hood, 90 dia. - 0 - -
19 Spherical reduction hood, 90 dia. - 5 - -
20 Round outlet, 75 dia. - - - -
21 Outlet grill (rotatable) 100 dia. - 2.1 - 0.5
22 Outlet grill (rotatable) 90 dia. - 2.2 - 0.5
23* Grille, round, 90x100 dia. - 0 - -
24 Flexible pipe, 100 dia. per m - 0.4 - -
25 Y-piece 100x100x100 dia. - - - 0.5
26 Connector, 90 dia., with exhauster pos. 13 - - - 0
Regulating valve 90x90x90 dia.
27 Position “middle” - 1.2 - -
Position “right/left” - 1.4 - -
28 Silencer, 90 dia. - 0.7 - -
29 Silencer, 100 dia. - 0.5 - -
30 Connector, 100 dia. - 0.1 - -
31 Y-piece 90x90x90 dia. - -
- 0.3
32
Reduction piece, 100 dia. - 75 dia. - - - 0.8
* Pos. 23 - if used as adapter 90x100 dia., cut out the mesh.
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