Fronius MTG 250d Manual De Instrucciones página 42

MTG 400d K4, MTW 500d K4 - General
General
Standard values The extraction unit for the fume extraction torch must comply with the following
for extraction specifications:
units
Suction power
Negative pressure values
Air chamber The quantity of extracted welding fumes can be continuously controlled between
10 and 100% using the air chamber during the welding process.
1
IMPORTANT! Regulation of the extracted welding fume quantity is required if
the shielding gas is extracted with the welding fumes (e.g. when welding in a cor-
ner position).
42
100 %
10 %
The MTG 400d K4 and MTW 500d K4
fume extraction torches capture the
harmful welding fumes directly at
source.
The welding fumes are extracted, befo-
re they get into the welder's breathing
zone.
Legal specified values for the maxi-
mum workplace concentration (MAK)
are adhered to or undercut.
Approx. 100 m
Between 0.05 and 0.2 bar
(between 5000 and 20000 Pa)
2
1
100 %
3
/h
2
10 %