Mtg 400D K4, Mtw 500D K4 - General; General; Standard Values For Extraction Units; Air Chamber - Fronius MTG 250d Instructions De Service

MTG 400d K4, MTW 500d K4 - General

General

Standard values The extraction unit for the fume extraction torch must comply with the following specifica-
for extraction tions:
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 shiel-
ding gas is extracted with the welding fumes (e.g. when welding in a corner position).
42
100 %
10 %
The MTG 400d K4 and MTW 500d K4
fume extraction torches capture the harm-
ful welding fumes directly at source.
The welding fumes are extracted, before
they get into the welder's breathing zone.
Legal specified values for the maximum
workplace concentration (MAK) are adhe-
red to or undercut.
Between 0.05 and 0.2 bar
(between 5000 and 20000 Pa)
2
1
100 %
3
Approx. 100 m /h
2
10 %