Breathing System Specifications Product Specifications
9 - 10 046-003777-00 A5/A3™ Operating Instructions
9.7.6 O
2
Controls
O
2
supply failure alarm: 185.5 to 254.5 kPa (27 to 36 psi)
9.7.7 Oxygen Ratio Controller
Provides 25 % ± 4 % O
2
when N
2
O valve is fully open and O
2
flow range is 0.8 L/min to 3 L/min
9.8 Breathing System Specifications
9.8.1 Breathing System Volume
9.8.2 CO
2
Absorber Assembly
9.8.3 Water Trap
9.8.4 Breathing System Connections
9.8.5 APL Valve
Automatic Ventilation: Total volume: 4350 ml +/-100 ml (including bellows)
Bellows: 1500 ml +/-100 ml
Manual Ventilation: 3300 ml +/-100 ml (not including breathing bag)
TABLE 9-12 Breathing System Volume
Absorber Capacity: 1 Pre-Pak (1500 ± 100 ml)
Absorber Canister Contents: 1 Pre-Pak canister or Loose Fill absorbent
TABLE 9-13 CO
2
Absorber Assembly
Mode: Detachable separately
Capacity: 6 ± 1 ml
TABLE 9-14 Water Trap
Exhalation Connection: 22 mm OD ISO 15 mm ID ISO Taper
Inhalation Connection: 22 mm OD ISO 15 mm ID ISO Taper
Connections from Breathing System to
a Gas Scavenger:
30 mm OD ISO
TABLE 9-15 Breathing System Connections
Range: SP, Approximately 0 to 75 cmH
2
O
Adjustable Range of Motion: 330 ± 10 degrees
Tactile Knob Indication: 30 cmH
2
O and above
Minimum pressure to open the APL
valve:
Dry: 0.15 kPa
Wet: 0.15 kPa
TABLE 9-16 APL Valve