Menu
Your Cart

Drass Chamber Duetto

DRASS DUETTO is a versatile, dual-lock portable hyperbaric chamber with a main lock chamber and an entry lock chamber.

The main lock chamber accommodates two (2) persons: one patient on a bed plus one attendant on a foldable seat.

The compact entry lock chamber allows the locking of one (1) person and transportation on main lock chamber.

It comes with a foldable seat enabling medical assistance and monitoring of the patient. Built with an internal diameter of 1300mm, DUETTO is equipped with all items required for standard operation and a complete set of optional accessories.

DUETTO is specifically designed to accommodate and medically treat surface-supplied divers, permitting an immediate recompression on site at 50 msw in the event of a diving accident.


Main characteristics


Working pressure............................................ 5 bar (6 bar absolute) = 50 msw

Inner diameter..................................................1300 mm

Total weight ..................................................... ~1450 kg

Total length .......................................................approx. 3470 mm

Main lock volume .............................................2.9 m3

Entry lock volume..............................................1.15 m3

Main lock manway ............................................700 mm

Entry lock manway............................................700 mm

Number of windows .........................................2 +1

(1 per lock plus 1 spare for use as a possible food lock)Windows diameter .......................160 mm (127 mm clear)


The control panels (one for each lock) provide the following main control tools:


• Pressurization/decompression

• Diver breathing through BIBS

• Depth monitoring

• Internal atmosphere gas analysis


DUETTO is designed to accommodate various options available on client request including the installation of the Easy Automation System, enabling preset depth profiles (non-modifiable by user).

The pressure vessel is designed and built according to EN 13445. A PED certification is provided.


Watch on YouTube:

DRASS DUETTO Dual-Lock Portable Hyperbaric Chamber