Venturi-Air Duct Kit
28 FB 798349 / 04.13
10.3 Mounting Î Venturi tubes up to 600 mm
To mount the air duct (with or without the optional mounting kit Part No. 781449) with a pipe length of max.
600 mm the air duct must be drilled as shown in the figure.
Mounting information!
Drill a hole (∅ 38 mm) in the air duct and deburr the
borehole.
Cut the Venturi tube to the required length
(refer Section 10.5 „Adapt the Venturi tube length“).
Air duct diameter
up to 600 mm
Direction of
air flow
Hole
∅
38 mm
Fig. 12: Venturi tubes up to 600 mm
The immersion depth of the Venturi tube in the air duct should be 90% of the ducts diameter.
Observe distance caused by the optional mounting kit if required!
Refer to section 10.6 “Mounting the Venturi tube”!