Technical Data; Dsg And Mass Pressure Reducers; Compressed Air Line Breathing Apparatus With Connection To A Breathable Air Network; Dsl Basic Apparatus - MSA DSL Serie Manual De Instrucciones

Technical Data

5. Technical Data
Important!
At very high outputs, the pressure in the facepiece (full face mask) at the inhalation end can become
negative. Watch the medium pressure gauge, and take note of the technical specifications for the lung
governed demand valve (see paragraphs 5.2/5.3).
5.1.

DSG and MASS Pressure Reducers

Operating pressure
Warning signal: activation pressure
Medium pressure
Safety valve opening pressure
Service temperature
5.2.

Compressed Air Line Breathing Apparatus with Connection to a Breathable Air Network

5.2.1 DSL Basic Apparatus

Operating pressure (medium pressure) required for working with lung governed demand valves:
Important!
Minimum pressure 4.5 bar
LA 88/96-N
LA AutoMaXX N
LA 83
LA 88/96-AE/-AS and ESA
LA AutoMaXX AE/AS and ESA
See also the operating manuals for the lung governed demand valve types.

5.2.2 DSL ASV Basic Apparatus

Operating pressure (medium pressure) required for working with an ASV:
GB
Important!
Minimum pressure 6 bar.
ASV: 6.0 bar to 8.5 bar
5.3.

Automatic Switch Valve (ASV)

Medium pressure of self-contained breathing apparatus
Switching point from external air supply to self-contained breathing apparatus:
Switching point from self-contained breathing apparatus to external air supply
See also the operating manuals for the ASV types
16
200 bar or 300 bar (all cylinders listed 300 bar)
≤ 30 bar
about 7 bar
about 12 bar
o o
-30 C to +60 C
4.5 bar - 8.5 bar
4.5 bar - 8.5 bar
4.5 bar - 8.5 bar
4.5 bar - 8.5 bar
4.5 bar - 8.5 bar
DSL Series
about 7 bar
4.0 +1.3 bar
6.0 +/- 0.5 bar