SF-2 Rebreather Backmount

SF-2 Rebreather Backmount

“Keep it Simple!” was the leading mission statement while

engineering the SF2. The vision became mission and finally

reality. This is evident at first sight: The SF2 is configured very

cleanly and simply. Compared to other rebreathers, the SF2

is compact and well-arranged. The reason: All important

components are integrated into the carbon fiber tube.

Therefore, the SF2 needs significantly less volume compared to

other rebreathers. Tests, as well as various certifications, assure

a constant level of security while diving. The SF2 is especially

suitable for ambitious technical dives. It is available as either a

backmount or sidemount rebreather.

Streamlined Design

As if it were designed from one piece, the SF2 is shaped cleanly

and simply. Moreover, the carbon fiber tube gives the SF2 a new,

streamlined and high-quality design.

Easily Built

The assembly and disassembly of the SF2 is very simple as the

entire tube can be removed and all the internal parts easily


Compact Installation

The electronic chamber is located within the head. The adapters

of the breathing hoses are mounted at a slight angle on the

head. This leads to a perfect positioning of the unit, as well as

being, increadibly comfortable.

The scrubber canister is located between the head and

midsection. Concerning the midsection, two different

requirements of modern rebreathers are combined. First, you

can find the bypass (ADV) which provides gas in case of low

volume in the system. Second, the adapters of the “Manual

Add” are located here.

The SF2 is a fully electronic closed-circuit

rebreather engineered in Germany for divers all

over the world.


Electronic Chamber

The electronic chamber is the heart of the SF2. The O2 sensors

as well as the Oxygen solenoid and the battery compartment

are located here. The O2 sensors are located in a separate

chamber to protect them from moisture. The electronic plate

is located below the battery compartment. High-quality SMB

angle plugs connect the plate with the sensors.

Unique positioning of Counter Lung

Compared to other rebreathers, the SF2 differs in the unique

positioning of the counter lung. Often, the counter lung is

positioned on the chest. In contrast, the SF2’s counter lung is

located in the lower tube. This leads to an ideal diver’s position

in the water and low resistance.

Manual Adds & Off Board Gas Connector

The “Manual Adds” are made of Delrin and enable you to

add both oxygen and diluent manually. The “Off Board Gas

Connector” - a high-quality Swagelok quick connector - allows

you to add external gas. Hence, the fundamental idea of

redundancy while diving is completely secured. Constructionconditioned

the entire periphery works while applying “Off

Board Gas”.


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