Designed by Demetrio, the MORDEM’s owner
The new scuba diving technique uses oxygen only.
technique allows you to dive for some hours in a safe way with a simple
complex equipment (heavier and more expensive), using a gas mixture whose
main component is oxygen, allow you to dive at bigger depht.
Mordem is suitable for scuba diving at small depht for about 3 hours without
MORDEM is the best solution for scuba diving schools , for taking pictures, for
boat maintenance (check of the hull), etc,…
first oxygen breathing apparatus have been used during World War 2 and since
then no particular improvements have been implemented.
2 main features of ARO Mordem are:
The automatic opening closing of the mouthpiece
The soda lime located in an appropriate container externally to the lung bag.
MORDEM can be easily assembled and disassembled without any tool.
suggest to check the equipment before diving:
at least for 1 minute clenching your teeth (in order to open the white pellet)
and try a few times to empty out the lung bag.
MORDEM is a very safe product
MORDEM is composed by:
tank contains 2 litres of oxygen at 200 atm.
valve is controlled by a light pressure on the knob (with the left hand)
the lung bag the ‘’ already breathed ‘’ air is mixed with the oxygen
supplied by the valve.
lung bag is shielded by a transparent container and its capacity is 6 litres.
have to clean the lung bag every 5/10 minutes:
Breathe in all the air contained in the lung bag and breathe out with your nose
afterward fill the lung bag with oxygen pressing the valve’s knob.
filter is composed by 2 bags (0.5 kg. Each) filled with soda lime (easy to
filter rigenerates the ‘’ already breathed ‘’ air recovering the oxygen
and eliminating the residual gas.
is very easy to check the status of the filter; it changes its colour while
mouthpiece opens automatically when you put it in the mouth and closes
automatically when you take it off.
MORDEM is very silent and does not make any bubbles.
one airflow pipe links the filter to the mouthpiece.
available a configuration with 2 pipes; in this case you can put it on your
MORDEM weighs only 7 Kg. and is floating; therefore in order to dive with it you
need a ballast.
MORDEM is cheaper and lighter than a complete equipment (like ARA)
your safety use the MORDEM RAFT : tether to it with a 10 mt. lanyard.
too much oxygen when diving below 10 mt; you can faint
lack of oxygen; fill the lung bag with oxygen.
Bag Cleaning: Change often the air , breathing in from the mouthpiece and
breathing out with your nose or with your mouth.
fill the bag with oxygen.