HOW TO SET UP YOUR DIVING TANK ?

SETTING UP YOUR TANK

Two available systems

Before setting up your tank, you should check its pressure using a pressure gauge. This will simply prevent you from setting up your BCD on a half-empty (or half-full, depending on your point of view) tank and only realising it at the time of your pre-dive checks. In general, the average pressure in a tank is 200 bar.
Then check your valve system: it's either going to be a DIN (Deutsches Institut Normung) fitting or an INT (Yoke), as shown in the following photo. This system will determine how your regulator is connected, while enabling you to save time during the next step.

how to set up diving tank regulator din int system subea

STEPS FOR SETTING UP YOUR TANK

INSTALLING YOUR BUOYANCY CONTROL DEVICE
1

INSTALLING YOUR BUOYANCY CONTROL DEVICE

Once the above-mentioned checks have been performed, you can now install your BCD on your tank. A bit of advice, have the valve outlet facing you for easier installation. At Subea, our BCDs have two straps: the first one will hold the tank, while the second one is for security. Then, set up the BCD on the tank while sliding the two straps over the valve. To lock the strap at the right level, use the following measurement: place it 3 fingers below the shoulder of the tank, and then lock the strap in place. Once this installation is completed, you can check it by lifting everything up using the grip, which will serve to ensure that the tank is securely in place. This will ensure your balance in the water, while also providing for better comfort while diving.

2

INSTALLING YOUR REGULATORS

INSTALLING YOUR REGULATORS

The first stage has several hoses (generally 4): the hose for the main regulator, the yellow hose for the backup regulator (i.e. the "octopus"), the hose for the pressure gauge, and the hose for the direct system used to inflate your BCD.

So as not to confuse the hoses during assembly, stand behind the tank. The hose for your main regulator should be in your right hand, while the hose for your inflator will be in your left hand. Then align the threads of the first stage and the tank valve, and screw it in all the way. No need to tighten any more than that, pressure will do the rest! Then connect the hose for your BCD inflator's direct system (it consists of a corrugated hose and a purge mechanism that will enable you to inflate or deflate your BCD). The direct system's hose is connected like a garden watering hose, just pull back the ring and everything will click in place. Now you have only to correctly arrange your hoses; the one for the direct system runs along the corrugated tube, while the octopus can be attached to your BCD or held in place by a clip for holding your octopus or hoses. The pressure gauge must be available for easy access under water.

OPENING AND CHECKING YOUR PRESSURE GAUGE
3

OPENING AND CHECKING YOUR PRESSURE GAUGE

Everything is installed, just gently open the valve as far as it goes. At that point, back it off a quarter of a turn, and then check the pressure using your pressure gauge.

OVERALL VERIFICATION
4

OVERALL VERIFICATION

Once all set up, check that all of the equipment is operating correctly, inflator, main regulator, octopus, position of the pressure gauge, purge and, possibly, all of the extra equipment needed for your dive. Like a fish in the water, you're ready to dive and to SMILE UNDER WATER! :)

Now you know how to set up your tank! I would nevertheless encourage you and your buddy to check over each other's gear, and to have everything validated by your dive leader before each dive. These steps are crucial for your safety, your comfort, and for the other divers in your group. Correctly preparing your equipment will ensure your comfort while diving, which is an essential part of this sport.

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                ARTICLE CO-WRITTEN WITH

                signature victor retail assistant decathlon dunkerque
                Victor, retail assistant at Decathlon in Dunkirk

                I'm a retail assistant in the diving and surf sports department at Decathlon in Dunkirk. I began diving during my internship, 4 years ago. Then I had an opportunity to start going through my levels. Today, I'm up to FFESSM (French Federation of Undersea Studies and Sports) Level 1.

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