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Dive Gear » Mares Diving Hi-Tech » Regulator |
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Regulator Proton Ice Extreme (416116) | 
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Impeccable Reliability, Even in Extremely Cold Water
In collaboration with the United States Navy, Mares has designed an exclusive product, conceived to guarantee maximum performance and reliability in the most difficult cold water conditions, even ice diving.• Approved by the United States Navy for dives at extremely low water temperatures, down to -1.7 °C / 29 °F
• Equipped with the revolutionary tri-material valve
• All-metal second stage
• Entire components coated with fluoropolymer
V32 First stage
• Balanced diaphragm design
• CWD Kit
• SCS
• DFC
• 2 HP 7/16" UNF ports
• 1 LP 1/2" UNF port (primary)
• 3 LP 3/8" UNF ports
• Weight: 904 g INT/710 g DIN
Second stage
pressure - volume diagram at depth of : 50.6 msw (166 fsw)
• All metal technology
• Case and key components with fluoropolymerresin finish
• VAD
• Mesh-grid
• Weight: 244 g
results Proton Ice Extreme
inhale pressure = 11.47 mbar
inhale pos pressure = 4.39 mbar
exhale pressure = 6.82 mbar
ext work of breathing = 0.71 j/l
inhale work = 0.28 j/l
pos inhale work = 0.06 j/l
exhale work = 0.43 j/l
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