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Issue date: 17 November 2006
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1
Introduction
1.1
This policy provides technical information for the Dräger PSS 7000 breathing apparatus (BA) set.
Information on breathing apparatus procedures is contained in
protective equipment - breathing apparatus – operational procedures.
1.2
The PSS 7000 standard duration breathing apparatus (SDBA) set will give a working duration of
31 minutes when applying a consumption rate of 50 litres per minute (LPM). The safety margin
duration is 12 minutes with the electronic low pressure warning (LPW) actuating at 84 bar.
1.3
The PSS 7000 extended duration breathing apparatus (EDBA) set will give a working duration of
45 minutes when applying a consumption rate of 58 litres per minute (LPM). The safety margin
duration is 18 minutes with the electronic low pressure warning (LPW) actuating at 84 bar.
1.4
For operational use the complete BA set is made up of a PSS 7000 BA set including cylinder with
cover fitted, entry control tally, personal line, BA cable cutter in pouch and log book (which is
held on station unless BA set is sent for service or repair).
1.5
Main features of the PSS 7000 set:
•
Positive pressure, first breath activated.
•
Ergonomic carrying system, adjustable to suit wearer.
•
Electronic monitoring unit with telemetry.
•
Second person connection hose and quick release coupling (QRC) coupling.
•
Dual purpose face mask (DPFM) that allows for either the connection of a lung demand valve
(LDV) positive pressure, or a filter cartridge (FC) negative pressure.
1.6
For further information regarding this policy, please email the
