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Engineered for extreme, high-performance scuba diving, the Atomic Aquatics M1 Sealed DIN First Stage Regulator sets the benchmark for cold-water reliability and high-flow efficiency. Built around a precision-machined Monel piston and high-flow Jet Seat design, the M1 is factory environmentally sealed to keep out freezing water, silt, and sand. Featuring an innovative 7-port low-pressure cap, it offers unprecedented hose routing options for technical, cold-water, sidemount, and cave diving configurations.
Monel Construction & Exclusive 7 LP Port Cap
Features a high-strength Monel piston that offers superior corrosion resistance and extreme oxygen compatibility. Its unique 7-port LP cap combines 5 cap ports (including an axial end port) with 2 body ports, providing effortless, stress-free hose routing across complex gear configurations.
Features and Benefits
- High-Flow Jet Seat Balanced Piston: Delivers instantaneous, frictionless gas delivery at any depth or cylinder pressure.
- Corrosion-Resistant Monel & Brass Construction: Chrome-plated brass body with internal Monel components ensures exceptional durability and resistance to harsh saltwater environments.
- Factory Environmental Sealing: Freeze-protected environmental seal isolates internal working parts from cold water, silt, and sand.
- 7 Low-Pressure (LP) Ports: Unrivalled port availability allows seamless, custom hose routing for twinsets, sidemount, stage bottles, or drysuit inflation setups.
- 2 High-Pressure (HP) Ports: Dual HP ports angled for clean, obstruction-free transmitter and pressure gauge placement.
- Nitrox Ready: Factory ready for EAN40 Nitrox mixtures right out of the box.
Technical Specifications
| Brand | Atomic Aquatics |
|---|---|
| Product Model | M1 Sealed First Stage |
| Connection Type | DIN 300 Bar (Threaded) |
| First Stage Mechanism | High-Flow Balanced Piston (Jet Seat Technology) |
| Materials | Chrome-Plated Forged Brass Body & Monel Internal Piston |
| Environmental Sealing | Factory Freeze-Protected Sealed Ambient Chamber |
| Port Count | 7 Low Pressure (LP) Ports, 2 High Pressure (HP) Ports |
| Nitrox Compatibility | EAN40 (40% Nitrox) Ready Out of the Box |
| Best For | Extreme Cold Water Scuba, Technical & Sidemount Diving, Cave Exploration, & Stage Cylinders |
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