AP Diluent First Stage (2 stuks beschikbaar)

4 LP ports and 2 HP pressure ports that are placed in a non-standard position to accommodate perfect hose routing within the casing of the Inspiration rebreathers, both on the diluent-side (FS101) and oxygen-side (FS101A) of the rebreather.
An anti-freeze approach utilising large stream-through ports on the diaphragm side of the 1st stage, allowing the ambient water to transfer its above-zero warmth to the 1st stage.
The choice of materials used in manufacture, support this heat transfer.
A very stable medium pressure delivery, even at depth. This is accomplished by using the above described heat transfer approach instead of the more popular “sealing” approach. Sealed 1st stages (where the diaphragm is kept isolated from the environment by an oil- or air-filled space and a second, flexible membrane) typically creep up in medium pressure at depth, as such bringing with them the danger of a solenoid not operating due to the medium pressure being too high.