SCBA/Breathing Apparatus
critical
Known Models (3)
Dräger (Germany) PSS Series SCBA
30-60 min air supply
· Compressed Air (Breathing)
type: Self-Contained Breathing Apparatus (SCBA)
size_range: ['PSS 3000', 'PSS 5000', 'PSS 7000', 'PSS BG4 (Closed Circuit)']
variant_count_approx: 4
period_start_year: 1990
period_end_year: None
drive_type: Compressed Air (200/300 bar)
construction: Composite cylinder, full-face mask, demand valve, harness
Common Failures:
- • Cylinder hydrostatic test overdue (replace/retest every 5 years)
- • Face mask seal deterioration from age/UV
- • Demand valve diaphragm wear
- • Low-pressure alarm malfunction
- • Harness buckle/strap deterioration
Service: Cylinder hydrostatic test every 5 years. Annual functional test by authorized service. Monthly visual inspection onboard. Face mask fit test for each crew member annually.
Spares: Dräger (Lübeck, Germany). Global service network. Lead time: 1-3 weeks. Face masks and demand valves: keep spares onboard.
MSA Safety (USA) AirGo / G1 SCBA
30-60 min air supply
· Compressed Air (Breathing)
type: Self-Contained Breathing Apparatus (SCBA)
size_range: ['AirGo Pro', 'G1 SCBA']
variant_count_approx: 2
period_start_year: 2010
period_end_year: None
drive_type: Compressed Air (200/300 bar)
construction: Composite cylinder, full-face mask, demand valve, harness
Common Failures:
- • Cylinder test overdue
- • Mask seal degradation
- • Demand valve issues
- • Harness deterioration
Service: Standard SCBA maintenance per NFPA/EN 137. Cylinder test every 5 years. Annual functional test.
Spares: MSA Safety (Cranberry Township, PA, USA). Global network. Lead time: 1-3 weeks.
Scott Safety / 3M (USA) Air-Pak SCBA
30-60 min air supply
· Compressed Air (Breathing)
type: Self-Contained Breathing Apparatus (SCBA)
size_range: ['Air-Pak 50', 'Air-Pak 75', 'Air-Pak NxG7']
variant_count_approx: 3
period_start_year: 1970
period_end_year: None
drive_type: Compressed Air (200/300 bar)
construction: Composite cylinder, full-face mask, demand valve
Common Failures:
- • Cylinder test overdue
- • Face mask aging
- • Demand valve wear
- • Regulator first-stage failure
Service: Standard SCBA maintenance.
Spares: 3M (ehem. Scott Safety). Lead time: 1-3 weeks.