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SECOND STAGE
Introduced in 1989, the Delta has been refined and updated over the years. The latest version, the Delta 4, is one of only two Oceanic second stages with AVS the Adjustable Venturi System. This allows the diver to adjust inhalation effort so the second stage won't freeflow during shore entries or long surface swims. Additionally, the Delta 4 has Oceanic's patented Dynamic Adjustment feature. This lets a diver set breathing resistance. The adjustment only needs to be made once; the Delta 4 maintains the setting no matter the depth of the dive.
The Delta 4's ABS/Polycarbonate housing and anodized aluminum cover ring are exceptionally tough. They weigh just 6.8 ounces and, along with orthodontic mouthpiece, produce minimal jaw fatigue no matter the length of the dive.
FIRST STAGE
The FDX10 offers a balanced diaphragm and is made of forged marine brass. It features DVT (Dry Valve Technology), an innovative design that keeps moisture and contaminants out of the first stage, even if you forget to put the dust cap on. This means internal components remain corrosion and bacteria free. It also means the FDX10 is excellent for ice diving (it won't freeze up) or diving in waters filled with contaminants or sediment (it won't corrode).
The DVT system helps keep air flow to the diver unrestricted. It starts to work as soon as the dive is over, before the regulator is even removed from the tank.
At 28 ounces, the FDX10 is one of Oceanic's lightest weight first stages. As is the Delta 4, it comes ready to use with air or nitrox mixtures up to 40 percent. Two high pressure and four low pressure ports assure a place for all your necessities and accessories.
Customers most agreed on the following attributes:
Comments about Oceanic Oceanic Delta 4 FDX10 Diaphragm Regulator with Environmental seal, Black with Free Alpha 8 Octopus:
I love this reg. It breathes easy, it is comfortable and it is not very bulky. I have not had any problems in the past six months of ownership.
from Arkansas on 6/9/2007
Comments about Oceanic Oceanic Delta 4 FDX10 Diaphragm Regulator with Environmental seal, Black with Free Alpha 8 Octopus:
I've had somewhere around thirty dives with this reg and it is amazing. Minor adjustments during dives makes this the absolute best regulator out there. It's so light you don't know it's there and with the Dry Valve Technology (DVT)you can even take it off at the surface to grease your o-rings and have no worries. Be sure to dry it before hooking it back up ofcourse. I can't say anything bad about this regulator. Both Stages ar AWSOME. You gotta get one!!!
from Brooklyn, NY on 6/7/2007
Comments about Oceanic Oceanic Delta 4 FDX10 Diaphragm Regulator with Environmental seal, Black with Free Alpha 8 Octopus:
As far as the rating goes for this reg I can easily place it among the best Apeks or SP models.
It has pretty much the same features, work of breathing and reliability of much more expensive makes. Also it can accept Poseidon Xtreme 2nd stage reg without any adjustments (140psi IP same as Poseidon Xtreme) For about $100 less you can get the same if not better regulator as ATX50 or ATX100. One problem I have with this regulator is that if you decide to use as regulator for technical or cave or any other advanced equipment configuration you would have to purchase a proprietary long (5-foot or 7-foot) hose made by oceanic only which is fairly expensive - $79. Unfortunately it cannot be fitted with a generic hose with a generic 3/8” connection without a somewhat costly retrofit which is nmore that the Oceanic hose itself. Otherwise EXCELLENT product. Best of all Oceanic stands behind their reg’s as a rock.