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The cold-forged, over-balanced diaphragm FDX-i first stage is environmentally sealed. The in-line design limits the pressure loss inherent in “L” type first stage designs making the FDX-i more efficient and lighter due to its compact form
| Product Category | Regulators |
| SKU | OCE-40-8200-0X |
| Condition | New |
| Brand | Oceanic |
| More Info | TECH SPECS: MANUFACTURER - Oceanic MODEL / SKU = FDXi Regulator First Stage Only (SKU: 40.8200) MECHANISM - Over-Balanced Flow-Through Diaphragm ENVIRONMENTAL PROTECTION - Environmentally Sealed Dry Chamber BODY MATERIAL - Cold-Forged Chrome-Plated Forged Marine Brass PORT CONFIGURATION - 2 High-Pressure (HP) 7/16" Ports, 4 Low-Pressure (LP) 3/8" Ports CONNECTION OPTIONS - Yoke (3000 PSI / 232 BAR) or DIN (4350 PSI / 300 BAR) GAS COMPATIBILITY - Standard Air & Nitrox up to 40% O₂ COLD WATER RATED - Yes (CE Approved) PRIMARY USES - Cold-water diving, deep recreational diving, technical stage setup, primary regulator upgrade Over-Balanced Diaphragm System: Progressively increases intermediate pressure as depth increases to compensate for higher gas density, delivering smooth, effortless air delivery at deep depths. Environmentally Sealed Dry Chamber: Fully seals the main spring and internal components from external exposure, preventing internal freeze-up in cold water and keeping out silt, sand, and saltwater. Inline Port Geometry: Precision-engineered port angles create clean, low-drag hose routing for primary regulators, octopuses, BCD inflators, and transmitters. Forged Marine Brass Body: Machined from high-tensile forged marine brass with a heavy chrome plating for maximum corrosion and abrasion protection. Integrated Heat Exchanger: Thermal transfer ribs surrounding the internal diaphragm chamber maximize thermal exchange with surrounding water to prevent freeze-ups in cold conditions. Nitrox Compatible: Factory-rated safe for use with enriched air Nitrox (EANx) mixtures up to 40% O₂. |