A diving regulator is basically a device which regulates the breathing gas pressure for a diver. It reduces the pressure of compressed breathing gas to an ambient level and delivers it directly to the diver. An alternative way to regulate gas pressures is to use a dive regulator. Read on for more information. Listed below are some types of regulators:
The first stage
Attached to a diver’s air tank, the first stage is a dive regulator. It regulates water pressure before it enters the diver’s hose. The second stage contains a purge and mouthpiece that delivers air directly from the regulator to the diver's mouth. Both of these stages are interconnected to ensure safe and comfortable diving. But what are the differences? Continue reading to find out more.
The first stage has two separate components, while the second stage is made of plastic. 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 to the first stage and the rebreather. The connector allows the diver and rebreather to share air, allowing them to both breathe underwater comfortably.
Mouthpiece
A mouthpiece for your diving regulator is a necessary part of the diving apparatus. It's a flattened oval tube, with a curved mouthpiece that fits between your lip and teeth. It seals against the inside of your mouth while you breathe. To keep the mouthpiece in place, you must bite down on each tab. Mouthpieces cost very little and can be easily removed. So it is important that you find one that is right for you.
You can make your mouthpiece from high-quality materials for long-term storage or frequent use. Quality will save you both time and money. Here's a guide for regulators and mouthpieces. You'll also learn more about dive regulator maintenance, including how to care for your regulator. For more information on maintaining your regulator's mouthpiece, read the article Do you pick it up while diving.
Exhaust Valve
The regulator's flow is controlled by the diver using a dial or lever. The exhaust valve, which has a one-way design, lets out exhaled gas. This valve stays closed when the diver does not exhale, preventing water from entering regulator. The second stage of regulator can be used as an air source. It could be a BCD inflation/deflation hose.
In one embodiment, the diver's mouthpiece and regulator are in fluid communication with one another. The diver inhales from mouthpiece 26 a while breathing through the re-located exhaust valve 24 d. The diver exhales through the mouthpiece, which is connected to the regulator valve 18.
First stage, Diaphragm type
A dive regulator's diaphragm first stage is a lever-type device that sits inside an air chamber. The diaphragm presses in water pressure to activate it. This allows for an equilibrium between the water pressure outside and inside. This regulator prevents water vapor from entering its internal mechanism and is used often by scuba divers.
There are two basic operational designs for diving regulators, the piston-type diaphragm or piston-type. Both types of regulators sense water at ambient pressure and deliver air at a pressure similar to the surrounding body. Piston-type regulators are easier to use and more reliable, but have their limitations. Piston-type regulators may be susceptible to freezing conditions or dirty water. Clear water is best for recreational diving.