NEX HD
17
EN
3 Description
3.1 Function
The NEX HD is very heatresistant and has a high extraction capacity. It is
therefore suitable to be used for extracting welding fumes from heavy welding
processes and dust from metalworking as for example grinding.
CAUTION!
The NEX HD must not be used for extracting such dust- or fume-airmixtures
which could affect the product materials, see Figure 2.
WARNING! Risk of explosion.
The NEX HD must not be used for extracting dust- or fume-airmixtures in
explosive environments.
3.2 Technical data
Table 3-1: Technical data
Dimensions See Figure 3.
Noise level*:
• NEX HD 2m 66 dB(A)
• NEX HD 3/4/5m 63 dB(A)
Weight:
• NEX HD 2m 17 kg
• NEX HD 3m 21 kg
• NEX HD 4m 28 kg
• NEX HD 5m 33 kg
Hose diameter Ø 200 mm
Recommended air ow** 1000–1700 m
3
/h (600–1000 cfm)
Max. temperature of extracted air 120 °C
Recommended mounting height*** 1900–2300 mm
* Measured according to ISO 11201, at the hood and at 1700 m
3
/h.
** Also apply to local directions.
*** See Figure 3.
4 Installation
4.1 90°-bend in hanging or standing position
The NEX HD arm is recommended to be mounted according to Figure 4,
item A, with the 90°-bend in hanging position.
In exceptional cases the arm can be mounted according to Figure 4, item B,
with the 90°-bend in standing position. However, the arm holder must then be
revolved 180°. Revolve the arm holder in the following way:
1. Loosen the four screws tting the arm holder to the 90°-bend.
2. Move the arm holder approximately 17 mm away from the 90°-bend.
3. Revolve the arm holder 180°.
4. Move the arm holder back towards the 90°-bend.
5. Fasten the four screws.
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