DGX Gas Transfill Hose with Analog Gauge

Rating:
96% of 100
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$99.00
In Stock
SKU
DX-701312
The DGX Gas Transfill Hose from Dive Gear Express allows you to transfer high pressure gas to equalize between two scuba cylinders.

DGX Gas Transfill Hose with Analog Gauge

DGX Gas Transfill Hose with Analog Gauge
DGX Gas Transfill Hose with Analog Gauge
  • Transfer gas to equalize between two Scuba cylinders
  • {60 in | 1.5 m} long with standard DIN fittings
  • Connect to both 200 Bar and 300 Bar scuba valves
  • {2 in | 5.1 cm} gauge with boot - Imperial and Metric
  • Flexhose has a {4000 psi | 275 bar} working pressure

This value priced Nitrox Ready transfill hose is { 60 in | 1.5 m } long with standard DIN fittings that connect to both 200 Bar and 300 Bar standard scuba cylinder valves. A twist-action bleed screw is positioned on the DIN fitting just below the gauge. The { 2 in | 5.1 cm } pressure gauge features a shock protecting rubber boot. The Flexhose has a {4000 psi | 275 bar} working pressure and the gauge provides dual readings in both imperial and metric measurements { 0-5000 psi | 0-350 bar }.

For transfers between tanks with standard K-valves, add one or two optional DIN-to-Yoke spin on adapters.

More Information
SKU DX-701312
Brand DGX
Weight (lbs) 3.5000
Customer Reviews
Most Helpful Customer Reviews
  1. Excellent

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    on

    Exactly as described. Excellent product!!!
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  2. Great value

    By

    on

    I have yet to use it and had bought it because of the great value.
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  3. A very handy tool to have

    By

    on

    Great construction and very easy to use. This item saved me a couple of fills across a weekend of diving. My only complaint is that both the O-rings fell out on the first use, and they were lost without my realizing.
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  4. Exactly as advertised

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    on

    Gas transfill hose was exactly as advertised and a good price; and always quick shipping
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  5. Quick and reliable!

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    on

    I have made several orders from DGE and they are now my first stop for dive equipment. Thanks for the great service.
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Tek Tip Warning Image WARNING

Whenever you pressurize a mechanical gauge, it's possible that the tiny Bourdon Tube inside the gauge housing will crack and instantly release tank pressure in to the body of the gauge. This is a rare occurrence in modern gauges but can happen with any such pressure measuring device. When a failure does occur parts of the gauge, especially the face cover, can become a dangerous projectile. Best practice is to always open tank valves very slowly and to position yourself out of the direct line of any pressure gauge. While opening the tank valve, turn your face and eyes away from the gauge and also do not hold the gauge housing itself in your hand or against your body.

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Uncoupling DIN Fittings From SCUBA Valves

There is more to disconnecting a DIN fitting from a valve than you might imagine. Do it incorrectly and you will probably lose an o-ring and perhaps even need to have your regulator serviced. The problem is most pronounced in using DIN fittings on fill whips, and more rarely on first stage regulators. The o-ring popping out of the nose of the DIN fitting is an issue on scuba regulators and fill whip hoses and it is caused by failing to completely bleed residual pressure before uncoupling the fitting.

On fill whips, you can be certain all the pressure is released by opening the bleed and waiting a few extra seconds before starting to unscrew the fitting. You need to wait a moment after the hiss stops, because the bleed hole is tiny and gas will continue to escape even after the hissing stops. Compact ring-style bleeds found on fill whips that twist either direction to bleed are popular because you can't lose the bleed screw, but with this design you must make sure the ring is centered on the bleed opening because if you keep twisting you will close it again with out fully bleeding the hose.

Even when divers are using improper technique to unscrew DIN fittings on first stages, they rarely see the problem because usually they are unscrewing the fitting from a nearly empty cylinder with relatively little pressure remaining. But if the cylinder is nearly full and the diver encounters a circumstance where the first stage DIN fitting must be unscrewed then proper technique can very important. Briefly purging the second stage just once is not enough, residual pressure trapped in the high-pressure hose of the SPG will take several seconds to move all the way back through the regulator first stage to the second stage. You must wait a moment between each time you push the purge and you must do it three times in a row to fully release all the pressure from the hoses. Another equally effective two-handed technique is to continue to hold the second stage purge down in one hand while you begin to unscrew the DIN fitting using the other hand.

DIN fitting designs on regulators use a two or three part assembly in which the threaded component with a handwheel collar slides onto a hollow center post and is retained by a 'nose cap' that contains the sealing DIN o-ring on the front and a smaller o-ring on the back. Improperly unscrewing the collared threads by rocking the entire assembly back and forth, or just using brute force to 'break' the seal can eventually can loosen the center post and/or nose cap causing a leak or seal failure the next time you try to use the fitting. We've seen the loosened nose cap act as a 'locking' mechanism, resulting in the regulator becoming frozen in to the DIN outlet and impossible to remove. Sometimes you can 'save-a-dive' by using a hex wrench to hand tighten the DIN assembly but a loose assembly is nearly impossible to permanently correct in the field and usually requires bench service to be able to fully tighten and lock the assembly back in place.

Proper technique to uncouple a DIN fitting requires you be careful to only turn the collar in the DIN fitting, don't grab and turn the entire assembly. If you can't easily turn just the collar to unscrew, i.e. you have to use force on the the entire assembly to 'break' the seal, then the line is not fully depressurized and you need to repeat the bleed.



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