Quick Disconnect Hose Assembly

$100.00
SKU
PK-754100
This is a solution for building a low pressure regulator hose with a quick disconnect in the middle.

We occasionally get asked how to make a low-pressure regulator hose with a quick disconnect in the middle. This is a popular request from side mount and rebreather divers who want to first clip an off-board bottle with a first stage to their harness, route a hose and then connect it to a second stage regulator, ADV, BOV, or gas switch block.

The solution starts with a second stage quick disconnect plus a DGX hose coupler and then add two low-pressure regulator hoses of the desired lengths. The quick disconnect system supplied by OmniSwivel International offers high-flow performance (unlike a typical BC quick disconnect). The slider has 9/16-inch male threads that attach to a standard low-pressure regulator hose and accepts the nipple with a positive locking mechanism which prevents accidental disconnection, and which automatically seals when disconnected. The nipple fitting attaches to the standard 9/16-inch male threads found on most second stages and to that we add a coupler in order to attach another hose. What you wind up with is a low-pressure regulator hose in what ever length you need, with a standard 3/8-inch male fitting that screws in the first stage LP port and a standard 9/16-inch female fitting that screws to the second stage. The difference is that somewhere in the middle you will find a high-flow quick disconnect that allows the hose to be separated in to two sections.

Building your solution requires you to determine the total hose length you need and where in the total length you want the quick disconnect (i.e. closer to the first, closer to the second, some where in the middle.) Allowing about { 3 in | 8 cm} for the disconnect, select the upstream hose length that will connect to the first stage of the supply gas and the downstream hose length that will connect to the second stage or other device. You could build this yourself using individual parts, the total price would be about the same, but if you order from this page you will receive the assembled solution: LP hose, to QD female, to QD male, to coupler, to LP hose.

More Information
SKU PK-754100
Brand DGX
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Tek Tip Warning Image WARNING

Using any type of quick disconnects to switch between gas supplies while in the water has the risk of introducing at least a few drops of water contamination in the line and possibly flooding the downstream side of the line. This has the potential to cause a malfunction in any devices that are downstream of the disconnect. The diver should close the upstream shutoff or valve, perform the switch, then open the valve and operate the downstream device to clear the line. Dive Gear Express recommends that in-water switching using quick disconnects only be performed as an emergency procedure. For in-water switching that does not run the risk of contamination through the quick disconnects, consider using a gas switch block.



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