Abyss: the regulator tested under all severe conditions; the perfect companion for hundreds and hundreds of dives.
Abyss, the absolute.
Abyss is the top-performing regulator, the technical product embodying the latest underwater breathing innovations. Designed to meet the severe U.S. Navy specifications, it has proven it can substantially exceed them. The diaphragm first stage features the DFC system and a replaceable HP seat connector. This innovative first stage valve - the result of years of research and open water trials all over the world - ensures superior resistance to wear, even with 300 bar (4.350 psi) systems. Compact body, in a modern and smart style, it is made of hot-forged nickel-plated and chromed brass. It is fitted with a preferential intermediate pressure port for connection to the primary second stage, plus 3 other LP ports and 2 HP ports. The latter are inclined at a 45° angle to allow a more rational layout of hoses. Abyss second stage, with its V.A.D. system, is made of nickel and chrome-plated brass. This material offers a number of benefits:absolute ruggedness and thinner walls, hence compact
dimensions obtained without using smaller-diameter diaphragms; this results in reduced water drag. Anti-freeze function, which is enhanced by the “radiator action” of the metal. The second stage features the new “turbo flow” system for water flowing in and out, which affords a further increase in performance. Furthermore, the compact and ergonomic exhaust tee ensures superior hydrodynamic performance and reduced exhalation resistance.
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TECHNICAL SPECIFICATIONS
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first stage |
second stage |
| operation |
balanced diaphragm
DFC system |
VAD system |
materials
metal parts
non-metal parts
sals and diaphragms |
high-resistance molded
brass - titanium treated brass - stainless steel
high-resistance technopolymers
nitryl rubber - silicone rubber |
| flow rate (air supply 180 bar) |
4800 l/min |
2400 l/min |
intermediate pressure
air supply 200 bar
air supply 30 bar |
from 9.8 to 10.2
bar
from 9.8 to 10.2 bar |
first stage ports
high pressure
intermediate pressure
hose type
standard length
octopus length |
no. 2: 7/16"
UNF
no. 1: 1/2" UNF DFC (principal)
no. 3: 3/8" UNF
super flow 1/2"
85 cm
100 cm |
| weight |
1140 g |
274 g |
| Results |
| inhale pressure |
10.89 m bar (limit = 25 mbar) |
| inhale pos pressure |
0.29 m bar (limit = 25 mbar) |
| exale pressure |
10.01 m bar (limit = 25 mbar) |
| ext work of breathing |
0.99 J/l (limit = 3.0 Joules/liters) |
| inhale work |
0.38 J/l |
| pos inhale work |
0.00 J/l (limit = 0.3 Joules/liters) |
| exhale work |
0.61 J/l (limit = 3.0 Joules/liters) |
| pressure - volume
diagram at depth of: 51.2 msw (165 fsw) |
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