Azimuth Rebreather DSV and Hoses

The DSV is a divers "Window to the Rebreather". How many rebreather divers have either bitten off a mouthpiece trying to close a DSV one-handed, or just ripped the thing from your (cold) lips trying to get it shut? A little engineering effort can make all the difference. Check this DSV out:

Here's the hose set. As expected, the ends are color coded for attachment. The end pieces are heavy-duty plastic.

Bottom view of the DSV. A water-clearing port is available so the DSV can be cleared before opening. Notice the knurled fittings for no-tool servicing with cold and wet hands.

Here is the cool part: See that little ledge machined onto the DSV, where my thumb is? That allows the diver to use his index finger on the shutoff lever and his thumb on the ledge, to close it one-handed. Bottom of the valve is towards the left. If this feature does not find it's way into other manufacturers designs, they ought to be shot. This is the single largest improvement in DSV's that I've ever seen. Even with cold hands in 3-finger mitts, this is a one-handed operation.

Stock, over-the-counter second stage exhaust valves are used for the one-way valves in the hoses. No special parts, just go to the local dive shop and they will have them in stock.

Again, a small area. But a big one for diver-comfort. This is the nicest DSV that I've seen. One is going onto my Mark-15 as soon as I can get a spare.

		Here's the hose set. As expected, the ends are color coded for attachment. The end pieces are heavy-duty plastic.
		Bottom view of the DSV. A water-clearing port is available so the DSV can be cleared before opening. Notice the knurled fittings for no-tool servicing with cold and wet hands.
		Here is the cool part: See that little ledge machined onto the DSV, where my thumb is? That allows the diver to use his index finger on the shutoff lever and his thumb on the ledge, to close it one-handed. Bottom of the valve is towards the left. If this feature does not find it's way into other manufacturers designs, they ought to be shot. This is the single largest improvement in DSV's that I've ever seen. Even with cold hands in 3-finger mitts, this is a one-handed operation.
		Stock, over-the-counter second stage exhaust valves are used for the one-way valves in the hoses. No special parts, just go to the local dive shop and they will have them in stock.