How does a scuba first stage work?

What three items attach to your first stage?

An open-water-style regulator first stage usually connects to four hoses–three that transport intermediate-pressure air to second stages and the buoyancy compensator’s (BC) inflator, and one that allows high-pressure air to flow directly from the tank to the submersible pressure gauge.

What happens if you throw up while scuba diving?

If you have to vomit during a dive, whatever you do, don’t take your regulator out of your mouth! … Hold the regulator firmly in your mouth and spew away. The vomit will be forced out the regulator in the same way your exhaled breath is.

Do I need a two-stage propane regulator?

If a first stage regulator is used in an LP Gas plumbing system, a second stage regulator must be installed downstream. In other words, a first stage regulator can’t be installed independently in an LP Gas system. There must be a second stage regulator installed as well.

How often should scuba regulators be serviced?

Dive Rite recommends that you service your regulators every 2 years or every 100 hours. Regulators should only be serviced by Certified Dive Rite Regulator Technicians. Use our Dealer Locator to find your local dealer and inquire if they have certified technician on staff.

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When should you clear a mask?

When mask clearing, it’s inhale through the mouth, exhale through the nose. When water enters your nostrils, simply exhale through the nose to clear it. Start small. Add just a small amount of water to the mask at first, until you get the hang of it.

What are the risks of scuba diving?

Diving does entail some risk. Not to frighten you, but these risks include decompression sickness (DCS, the “bends”), arterial air embolism, and of course drowning. There are also effects of diving, such as nitrogen narcosis, that can contribute to the cause of these problems.

How many feet should I stay within my dive flag?

Stay within 300 feet (90 meters) of the diver down flag or buoy in open water and 100 feet (30 meters) when diving in rivers, inlets or navigation channels. Aim to surface within 150 feet (45 meters) of the dive flag.