First Stage - H-50D (Diaphragm)

The H-50D's balanced, environmentally sealed diaphragm design ensures smooth, easy breathing at varying depths and tank pressures.

The dry balance chamber prevents water intrusion, enhancing reliability even in cold or contaminated waters. Equipped with two high-pressure ports and four low-pressure ports, including high-flow options, it offers flexible hose routing and up to 15% more air delivery.This 300-bar DIN connection can be fitted with an optional yoke and is compatible with up to 40% Nitrox, catering to a range of diving needs.

Features

• Balanced, sealed diaphragm
• Dry balance chamber
• Two HP ports, four LP ports
• 300-bar DIN, compatible with 40% Nitrox
• Bench testing by an authorized Halcyon regulator service technician is recommended prior to use