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As the premier choice for technical, cold-water, and demanding recreational divers across the globe, the Scubapro MK25 EVO First Stage Regulator - DIN (1st Stage Only) delivers instant airflow on demand, effortless breathing at extreme depths, and superior high-pressure cylinder security. Built with an air-balanced flow-through piston, a dedicated 300-bar DIN handwheel, and Scubapro’s patented Extended Thermal Insulating System (XTIS), this high-performance first stage features a 360-degree swivel turret for optimal hose routing flexibility on single-tank, double-tank, sidemount, and stage-bottle configurations.
Secure 300-Bar DIN Connection & Patented XTIS Thermal Protection
The factory 300-bar DIN handwheel threads directly into high-pressure cylinder valves for an ultra-secure, captive O-ring seal rated up to 4350 psi. Integrated with Scubapro's patented XTIS (Extended Thermal Insulating System), internal mechanical components are fully insulated from the cold-water environment, increasing freezing resistance by 30% over previous MK25 models without sacrificing instantaneous gas delivery.
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 and cold-water diving.
- Air-Balanced Flow-Through Piston: Delivers ultra-fast, unrestricted airflow regardless of tank pressure or dive depth for effortless breathing under heavy workloads.
- Patented XTIS Thermal Insulation: Fully insulates internal moving parts against freezing, making the MK25 EVO fully compliant with the stringent EN250A cold-water standard.
- 360-Degree Swivel Turret: Houses 5 high-flow low-pressure (HFP) ports on a rotating turret, allowing optimal, low-stress hose routing on any rig configuration.
- High-Flow Low-Pressure (HFP) Ports: Deliver roughly 15% more airflow than standard LP ports, ensuring instant gas delivery to the second stage.
- Dual High-Pressure (HP) Ports: Positioned on both sides of the main body to allow transmitter and analog pressure gauge routing on either side.
- External Intermediate Pressure Adjustment: Enables certified technicians to fine-tune intermediate pressure quickly without disassembling the first stage.
- Durable Chrome-Plated Brass Body: Heavy-duty marine-grade brass casing ensures long-term corrosion resistance and durability in harsh saltwater environments.
Technical Specifications
| Brand | Scubapro |
|---|---|
| Model Name | MK25 EVO First Stage - DIN (1st Stage Only) |
| Connection Type | DIN (300 Bar / 4350 PSI) |
| First Stage Type | Air-Balanced Flow-Through Piston w/ XTIS Thermal Insulation |
| Body Material | Chrome-Plated Marine Brass |
| Part Number (MPN) | 10.713.030 |
| 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 | Technical Diving, Cold Water, Deep Diving, Sidemount, Twinsets, High-Pressure Tanks |
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