Oxygen Generation; Technical Data - Dräger Oxy K 30 AS Gebrauchsanweisung

Oxygen Generation

The oxygen required for breathing is supplied by a solid chemical sub-
stance called potassium dioxide (KO
bon dioxide (CO ) and the water vapour (H
2
two components of the exhaled air are absorbed by the KO
the chemically-bound oxygen (O
2
reaction formulas are as follows:
O → 2 KOH +
3
2 KO + H / O
2 2 2
→ K
2 KOH + CO CO + H O + Heat
2 2 3 2
→ K 3
2 KO + CO CO + / O
2 2 2 3 2
KO is both O source and CO
2 2 2
exhaling causes the breathing air to flow from the breathing bag through
the KO cartridge to the heat exchanger and then back again.
2
A volume-controlled valve governs the volume in the breathing bag.
). This substance reacts with the car-
2
O) of the exhaled air. These
2
and release
2
) in KO in the process. The simplified
2
+ Heat
2
+ Heat
2
absorber at the same time. Inhaling and

Technical Data

Ambient Conditions
Temperature for storage and
transport (not during use)
Lowest temperature for use
acc. to EN 13 794
Relative humidity
Ambient pressure
Volume of breathing bag
CO content
2
in breathing gas
in breathing gas at the end
of the operating period
Duration time
acc. to EN 13794
(35 L/min breathing minute volume)
Oxy K 30 E
Oxy K 30 S/AS (GB)
Oxy K 50 S/AS (K+S/PL)
Duration time
when breathing is steady
(10 L/min breathing minute volume)
Oxy K 30 E
Oxy K 30 S/AS (GB)
Oxy K 50 S/AS (K+S/PL)
Inhalation/exhalation resistance
at 35 L/min
at 35 L/min at the end
of the operating period
Temperature of inhaled gas
acc. to DIN EN 13794
Weight
unopened
Oxy K 30 E
Oxy K 30 S/AS (GB)
Oxy K 50 S/AS (K+S/PL)
during use
Oxy K 30 E
Oxy K 30 S/AS (GB)
Oxy K 50 S/AS (K+S/PL)
Dimensions (W x H x D)
Oxy K 30 E
Oxy K 30 S/AS (GB)
Oxy K 50 S/AS (K+S/PL)
Storage under normal storage conditions:
10 years (see "Ambient Conditions" on page 13).
o o
-31 C to 50 C
o
70 C
for max. 24 hours
o
–10 C
up to 100 %
700 to 1300 hPa
>6 litres
<1.5 % vol.
max. 2.5 % vol.
30 minutes
30 minutes
50 minutes
120 minutes
120 minutes
180 minutes
5 hPa
max. 7.5 hPa
o
max. 55 C
(dry breathing gas)
approx. 3.1 kg
approx. 2.5 kg
approx. 3.0 kg
approx. 2.1 kg
approx. 1.9 kg
approx. 2.4 kg
240 x 257 x 112 mm
210 x 260 x 95 mm
210 x 260 x 105 mm
13