A diving regulator, in general, is a device that regulates the pressure of breathing gas for divers. It is used to reduce the pressure of pressurized breath gas to ambient and deliver it to the diver. You can also use a dive regulator to regulate other gas pressures. Read on for more information. Below are some examples of regulators.
First stage
The diver's water tank houses the first stage of a diving regulator. The regulator regulates air pressure and then releases it into the diver's hose. The second stage, which contains a mouthpiece and purge valve, delivers air directly to the diver's mouth and removes waste gases when necessary. These two stages work together to ensure a safe and comfortable dive. What are their differences? Continue reading for more information.
The first stage is comprised of two separate parts, and the second is made of a plastic material. Each stage is mechanically controlled and has a valve that regulates the gas release. The first stage supplies the air for the initial stage while the second stage is for secondary use. A connector connects the first stage to the rebreather. This connector enables the diver to share air with the rebreather, allowing the diver to breathe underwater comfortably.
Mouthpiece
A mouthpiece for your dive regulator is a vital part of your diving apparatus. It is a flattened oval tube with a curved flange that fits between your teeth and lips. While you breath, the mouthpiece seals against your inner ear. To hold the mouthpiece in place you need to bite on both sides of the tabs. Mouthpieces cost very little and can be easily removed. So it is important that you find one that is right for you.
A mouthpiece for your scuba regulator can be made of high-quality materials to withstand frequent use and long-term storage. The quality of your mouthpiece will not only save you headaches but also help you save money on replacing parts. Here's a guide to mouthpieces and regulators. Here you will find out more about diving regulator maintenance and how to care for it. To learn more about how to maintain your regulator's mouthpiece, please read Do you pick-up rubbish while diving?
Exhaust valve
The regulator's flow is controlled by the diver using a dial or lever. The exhaust valve is one-way and allows exhaled air to exit the regulator. This valve closes when the diver is not inhaling and prevents water entering the regulator. The regulator's second stage is an additional air source. This can be a BCD inflation/deflation tube.
One embodiment shows the regulator and diver's mouthpiece in fluid communication. The diver inhales via mouthpiece 26 a and breathes through the re-located exhaust tube 24 d.
First stage of Diaphragm-type
The diaphragm type first stage of a dive regulator is composed of two main components: a lever which sits inside the air chamber and a dial that presses in when the water pressure increases. This allows for a balance between the water and air pressure inside. This regulator prevents water from getting in contact with the internal mechanism. It is commonly used by divers.
There are two types of diving regulators: the piston-type and diaphragm type. Both types detect water at ambient pressure and provide air at a pressure comparable to the surrounding area. Piston-type regulators offer greater reliability and simplicity, but also have their drawbacks. Piston regulators can freeze and get dirty, which is bad for diving. Clear water is preferred for recreational diving.