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The pneumatically-balanced ZEO is an engineering marvel of precision, durability and comfort. Its durable chrome-plated marine brass metal valve delivers a phenomenal breathing experience, improves cold-water performance and helps recirculate moisture from exhalation to prevent dry mouth. The breathing adjustment gives the diver a wide range of control to precisely set airflow throughout the dive.
The ZEO comes standard with an in-line hose swivel, inhalation effort control, dynamic adjustment technology dive/ pre-dive switch and a super comfortable orthodontic mouth piece featuring an inline ball swivel on the hose connection to eliminate the binding that can cause jaw fatigue.
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.
Second Stage ZEO
First Stage FDX-i
The FDX-i in-line design provides an improved flow rate, greatly reduced weight and more ergonomic port positioning for better hose routing when compared to the classic right angle first stages.
ZEO SECOND STAGE (METAL VALVE SYSTEM)
Valve Type - DEMAND
Adjustment(s) - KNOB / PRE-DIVE SWITCH
Balancing System- PNEUMATIC
Integrated Purge Button - YES
Mouthpiece - ORTHODONTIC W / TABS
Nitrox Compatibility - STANDARD TO 40%
Ambidextrous - NO
Integrated Switch - YES
Weight (without hose) - 7.2 OUNCE
Dimensions (front profile) - 2.3 INCH x 3 INCH (OVAL SHAPE)
Minimum Creaking Effort - DIVER ADJUSTABLE
Factory Set Inhalation Effort - 0.0~2.5 IWC
Work of Breathing - 0.86
FDX-i FISRT STAGE
Valve Type - BALANCED DIAPHRAGM
Primary Material - FORGED MARINE BRASS
Low Pressure Ports - 4
High Pressure Ports - 2
FIXED YOKE KNOB - YES
300 BAR DIN Fitting - OPTIONAL
Sealed Valve Design - YES
Environmental Protection - YES
Weight (Yoke) - 21 OUNCES
Factory Set Intermediate Pressure - 138-142 PSI
Pressure Drop - 9 PSI
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