Zeagle Atomic Aquatics M1 First Stage Environmentally Sealed w/ Monel Piston - REG191 DIN Performance in extreme conditions requires extreme engineering. The Atomic M1 first stage utilizes Monel and Brass for factory-ready Nitrox mixtures to 50% or Oxygen mixes up to 80% when special guidelines are followed. The selection of Monel, which is widely used in marine applications, further demonstrates how adeptly Atomic chooses a material to perform a specific function required by divers. The Jet Seat Piston. Atomic designed the Jet Seat Piston to eliminate creeping intermediate pressures and minimize maintenance. This unique high-pressure piston seal system is leak-free and self-lubricating. The Atomic Jet Seat system has no sharp edges that can damage the seat over time, like most competitor's first stages. Instead, Atomic employs a conical seat and blunt-end piston. Our valve seats are precision machined from an extremely strong aerospace specification seat material. This design combination is the most reliable seat system in the industry and enables the seat to go 2-years or 300 dives without service. Diving performance is superior at even low tank pressure. Features Large, balanced flow-through piston design for stable intermediate pressures and high performance at low tank pressures Exclusive high-pressure piston seal system is self-lubricating for low friction and low maintenance Service to 4350 psi (300 Bar) with optional DIN connection Environmentally sealed for freeze protection at low temperatures and all around protection from sediment entering the first stage Nitrox EAN ready to 40% O2 (M1: up to 80%) from the factory with no internal modifications needed CNC machined from solid bar material, the body maintains perfect alignment of the piston and seat to eliminate creeping intermediate pressure problems Two high-pressure and five low-pressure ports on swivel cap (T3/B2/ST1/M1) Two high-pressure and option of five low-pressure ports on swivel cap or seven low-pressure ports on fixed cap (Z2/Z2x) All Atomic first and second stages are Made in USA with Limited Lifetime Warranty, and 2 year/300 dive service interval What our Experts Think Environmentally Sealed: Protects internal components from contamination, corrosion, and harsh diving conditions. Monel Piston Technology: Smooth, reliable airflow with long-lasting performance. Durable Construction: Premium corrosion-resistant materials ensure extended service life. DIN Connection: Professional-grade attachment for secure tank fit. Balanced Performance: Stable and consistent airflow under varying depths and pressures. Versatile Use: Ideal for recreational, technical, and advanced diving setups. Q&A Q: What is this product?A: A premium 1st stage scuba regulator with environmentally sealed design and Monel piston for reliable air delivery. Q: What type of connection does it use?A: DIN connection for standard scuba tanks. Q: Is it suitable for cold or contaminated water?A: Yes, environmentally sealed design prevents freezing and corrosion, ideal for extreme conditions. Q: What materials are used?A: Monel piston and corrosion-resistant metals for long-lasting durability. Q: Is it adjustable?A: Yes, adjustable intermediate pressure for optimized performance. Q: Can it be paired with a 2nd stage regulator?A: Yes, compatible with Atomic Aquatics 2nd stage regulators. Q: What color is this model?A: Standard Atomic gray finish. Maintenance Tips Rinse thoroughly with fresh water after every dive to remove salt, sand, and debris. Dry completely before storage; avoid direct sunlight and high heat. Inspect hoses, connections, and O-rings regularly for wear or cracks; lightly lubricate with silicone grease if needed. Store in a cool, dry place away from heavy pressure or sharp objects. Schedule annual professional servicing to maintain optimal performance and longevity.
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