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Designed as the benchmark first stage for extreme cold water, silty environments, and technical diving configurations, the Scubapro MK19 EVO First Stage Regulator - DIN (1st Stage Only) pairs the proven freeze protection of an environmentally sealed dry chamber with a dedicated 300-bar DIN handwheel and a 360-degree rotating swivel turret. This air-balanced diaphragm first stage delivers ultra-smooth, instant gas delivery on demand regardless of depth, workload, or cylinder pressure.
Secure 300-Bar DIN Connection, Dry Sealed Chamber & Swivel Turret
The direct-threaded 300-bar DIN handwheel provides an ultra-secure, captive O-ring seal rated up to 4350 psi. The MK19 EVO's completely dry ambient chamber utilizes a double-spring mechanism to keep icy water, suspended silt, and contaminants away from internal moving parts, preventing freeze-up in harsh Canadian conditions. Paired with a 360-degree low-pressure swivel turret, it offers total hose-routing freedom for twinsets, sidemount, stage cylinders, or single-tank rigs.
Features and Benefits
- Dedicated 300-Bar DIN Connection: Direct-threaded DIN handwheel provides a lighter, more secure, and higher-pressure cylinder connection preferred for technical, cold-water, and travel configurations.
- Environmentally Sealed Dry Ambient Chamber: Completely isolates internal mechanics from surrounding water to eliminate freezing risks and block mud, silt, and salt contamination.
- Air-Balanced Diaphragm Mechanism: Delivers instant, effortless, and constant airflow unaffected by changing tank pressure or recreational depth.
- 360-Degree Swivel Turret: Houses 5 high-flow low-pressure (HFP) ports on a rotating turret for clean, low-stress hose routing across any diving configuration.
- High-Flow Low-Pressure (HFP) Ports: Deliver approximately 15% more airflow than standard LP ports, ensuring effortless breathing during heavy exertion.
- Dual High-Pressure (HP) Ports: Angled opposing HP ports accommodate a wireless transmitter and an analog pressure gauge on either side of the body.
- Compact & Travel-Ready Profile: Streamlined marine-grade chrome-plated brass body reduces bulk and weight without compromising cold-water performance.
Technical Specifications
| Brand | Scubapro |
|---|---|
| Model Name | MK19 EVO First Stage - DIN (1st Stage Only) |
| Connection Type | DIN (300 Bar / 4350 PSI) |
| First Stage Type | Air-Balanced Diaphragm w/ Environmentally Sealed Dry Chamber |
| Body Material | Chrome-Plated Marine Brass |
| Part Number (MPN) | 10.719.030 |
| Low-Pressure (LP) Ports | 5 High-Flow LP Ports on 360° Swivel Turret |
| High-Pressure (HP) Ports | 2 Opposing HP Ports |
| Nitrox Compatibility | Up to 40% Nitrox |
| Best For | Cold Water, Ice Diving, Technical Diving, Twinsets, Sidemount, Silty/Contaminated Water |
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