6
USING ENRICHED AIR NITROX (EAN)
WARNING: This section of your owner’s manual contains
important information regarding the use of your equipment
with enriched air (EAN/Nitrox). Do not attempt to use this
product with enriched air until you have read and understand
this section of the manual. To do otherwise increases your
risk of injury or death.
WARNING: Obtain an EAN (Nitrox) Certification. In order to
enjoy the special benefits that EAN/nitrox can provide, it is
extremely important to obtain special training from a
nationally recognized training agency in addition to that
which is provided for openwater scuba.
Your Apeks regulator has been prepared for use with Enriched Air
Nitrox (EAN) where the percentage of oxygen in the EAN does not
exceed 40%. This is possible because each regulator is built to a high
standard of cleanliness using EAN compatible components and
lubricants. In addition, each regulator design has passed stringent
adiabatic compression testing to ensure its safety and compatibility
with increased percentages of oxygen.
If it is your intention to use your new Apeks regulator with EAN (O
2
not
to exceed 40%), it is imperative that you maintain the internal
cleanliness of the regulator (see section on Care and Maintenance). If
it is your intent to use the regulator interchangeably with breathing air,
the breathing air should be oxygen-compatible or “hyperfiltered”
whereas the condensed hydrocarbons do not exceed 0.1 mg/m3. Your
local authorized Apeks dealer can help you determine whether the
breathing air that they provide meets this criterion.
Standard compressed breathing air, often referred to as Grade E in
the United States, does not necessarily meet this criterion. Grade E
breathing air may contain a certain level of hydrocarbons, including
traces of compressor oils that while not considered harmful to breathe,
can pose a risk in the presence of elevated oxygen content.
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