second stage design
The Most Personal Component
Your life depends on it with every “natural” breath
You need assurances about the part you put into your mouth – the single most important
element of your diving system. Atomic second stages give you that assurance. The
assurance of reliability with a low-maintenance design that is durable and does not
require constant fine-tuning to perform perfectly. The assurance of easy and natural
breathing at any depth. The assurance that corrosion of critical internal parts will not
impair a single precious breath thanks to Titanium used in every Atomic second stage.
Assurance is designed and built into each Atomic second stage you trustingly put into
your mouth. So breathe easy...and have a great dive.
The Atomic Second Stage Is Our Signature
Design Statement
Titanium Valve Body (T2/B2/ST1)
The foundation of any regulator second stage is the valve body, and nobody manufactures this
crucial component to be as exacting and durable as Atomic. We machine our valve body from
Ti-6 Al-4v solid Titanium on our very precise Swiss CNC machines. Because it’s Titanium, it’s
very lightweight, and will last forever without showing a hint of corrosion (see the comparison
photo on page 4). Performance of Titanium parts will never be altered by the effects of sea water.
Competitors: Some of our competitors use plastic for the regulator valve body.
Plastic is not an optimum-performance material for this application. Even though it
is less expensive, plastic can wear out or crack over time. Don’t settle for a cost-cutting
plastic part for this very critical part in your regulator.
Titanium Demand Lever
The demand lever is the mechanical link to your breathing air supply. If it fails, air delivery stops.
Because our demand lever is formed from a propriety Titanium alloy, our lever is immune from
stress-induced fatigue or corrosion and breakage.
Competitors: Our competitors use stainless steel demand levers that require yearly
inspection and service for rust. Stainless steel is much cheaper than Titanium, but cannot
compare to the superior corrosion-resistance of Titanium.
Low-Friction Kevlar Pivot Sleeve
Since the Atomic Titanium demand lever pivots off the valve body, a low-friction material with
exceptional wear resistance is required to prevent metal-to-metal contact that leads to galling.
Our Kevlar sleeve material endures millions of smooth cycles without wear.
Competitors: Most use softer grade plastics or metal to metal pivot parts that will
eventually wear deep grooves causing the regulator to breathe harder and harder over time.
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