The Aqualung Helix Pro ACD Partner DIN Diving Regulator is a balanced diaphragm first stage regulator designed for superior performance and durability. It features Aqualung's patented Auto-Closure Device (ACD) technology, which automatically seals the first stage when disconnected from the cylinder, protecting internal components from contaminants and preserving internal lubrication.
- Balanced Diaphragm First Stage: Provides consistent and effortless breathing at all depths.
- Auto-Closure Device (ACD): Automatically seals the first stage upon disconnection, preventing water ingress and contamination.
- Permanent Dry Chamber: Isolates internal components from the external environment, enhancing freeze resistance and reducing maintenance needs.
- Heat Exchanger: Surrounds the valve mechanism to dissipate cold caused by gas expansion, preventing ice formation in cold water conditions.
- T-Shaped Body: Optimizes hose positioning for streamlined setup and reduced drag.
- Comfo-Bite™ Mouthpiece: Ergonomically designed to reduce jaw fatigue and ensure a secure fit.
- Venturi Adjustment Lever: Allows precise control of airflow to prevent free-flow at the surface and enhance performance at depth.
Technical Specifications
First Stage
- Type: Balanced Diaphragm
- Material: Chrome-plated marine brass
- ACD: Yes
- Number of HP Ports: 2
- Number of MP Ports: 4
- Service Pressure: 300 bar (4350 psi)
- Weight (DIN): 740 g
Second Stage
- Type: Pneumatically Balanced
- Material: Durable composite
- Venturi Adjustment: Yes
- Heat Exchanger: Yes
- Mouthpiece: Comfo-Bite™
- Weight: 205 g
- Work of Breathing: 0.95 J/L at 50 m depth, 50 bar, and 62.5 L/min breathing rate
Hose
- Length: 1 m
- Material: Braided for flexibility and durability
Nitrox Compatibility
- Yes, up to 40% O2 when new, out of the box
Materials
- First Stage: Chrome-plated marine brass
- Second Stage: Durable composite materials
- Mouthpiece: Hypoallergenic silicone
Dimensions
- First Stage: Approximately 12.5 cm (L) x 9.5 cm (W) x 7.5 cm (H)
- Second Stage: Approximately 10 cm (L) x 6 cm (W) x 5 cm (H)
Compatibility Information
- Cylinder Valve Connection: DIN (300 bar)
- Nitrox Compatibility: Yes, up to 40% O2 when new, out of the box
