Any equipment marked with the greater than 50º F symbol (>50°F is ONLY suitable for
water temperatures above 50°F or 10°C.
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When configuring your regulator for use with emergency auxiliary breathing systems
(octopus), proper selection of certified equipment is required.
2.i Oxygen enriched gases
This section of your owner’s manual contains important information regarding the use of
your equipment with oxygen enriched gases, (i.e. Nitrox, Trimix, Heliux, and Oxygen).
This regulator is not intended to be used with any mixture of gases containing more
than 40% oxygen. Use of this regulator with mixtures containing more than 40% oxygen
can cause serious INJURY or DEATH.
When the breathing mixture contains oxygen content greater than 22%, the user must
have received certification in diving with Enriched Air from a recognized training agency.
You also must make sure the regulator has been cleaned for Enriched Air (Nitrox)
according to EN 13949 Standards.
This regulator is NOT a medical device. This regulator is NOT intended for and must
NOT be used to supply treatment oxygen in a medical emergency.
When using air with this regulator, the air used must meet EN12021 Annex A standards
and comply with EN250:2014 standards.
Per EN 250, SCUBA shall be equipped with at least the following sub-
assemblies:
1. Air cylinder(s) with cylinder valve(s) and carrying frame.
2. Demand regulator (first and second stage).
3. Safety device / pressure gauge.
4. Carrying systems / body harness.
5. Face piece: Mouthpiece assembly or full-face mask or diving helmet.
3. Regulator first stage
The first stage converts the tank’s high-pressure air to an intermediate pressure (IP) of
135~145 psi that can be handled by the second stage regulator to deliver a smooth flow
of air when you inhale with the second stage in your mouth.