The Aqua Lung Calypso/Titan octopus is designed as a reliable backup second stage for scuba diving, certified for cold water use. It features a balanced demand valve design with a downstream poppet mechanism and an integrated Venturi adjustment control.
The unit uses silicone for the mouthpiece, diaphragm, and exhaust valve, paired with an ABS casing bottom and a durable polyurethane purge cover.
- Type: Balanced demand valve
- Mechanism: Downstream poppet
- Venturi adjustment: Yes
- Sensitivity adjustment: No
- Cold water compatible: Yes
- Mouthpiece and diaphragm material: Silicone
- Case bottom material: ABS
- Purge cover material: Polyurethane
