The scuba regulator set more than conveys breathing gas to the diver in the conduct of a scuba diving expedition. The article will discuss the basic functionalities of scuba regulators and illustrate how this specialized open circuit scuba apparatus works.
The scuba regulator set more than conveys breathing gas to the diver in the conduct of a scuba diving expedition. Also called a pressure regulator, the device converts high pressure Air or Nitrox gas mixtures compressed in the cylinder tank into usable, moderated pressure that is comparable to atmospheric levels. Breathing directly from the tank will prove to be injurious to the diver and may even rupture his lungs. Let us look into the basic functionalities of scuba regulators and see how this specialized open circuit scuba apparatus works.
The pressure regulator is composed of 3 main components, namely the first stage, second stage and the alternate second stage. All 3 components are outfitted with mechanical devices performing interrelated functions to reduce the blatant pressure of compressed air and convey breathable air to the diver at the least inhalation effort possible with the regulator's design and expended maintenance on the part of the user.
First Stage. The valves of the diving cylinder connects directly to the First Stage. As the direct recipient of high pressure air from the tank, the first stage initially reduces this level of pressure to intermediate pressure from which air flows through high pressure hoses towards different attachments, particularly the second stage, the buoyancy compensator and pressure gauge.
Second Stage. Also called the primary regulator, the second stage converts intermediate pressure to ambient pressure or water pressure that comes in contact with the moving parts or the chamber of the second stage. Ambient pressure flows through the mouthpiece of the second stage at the demand of the diver. That is why the second stage is also called a demand valve. It also comes outfitted with a purge button to allow the diver to release water from the regulator which is often designed with sensitivity adjustments or an adjustment knob to fine tune breathing effort.
Octopus Regulator. This component is also referred to the as the alternate second stage regulator which comes in handy during diving emergencies such as the malfunction of the primary regulator causing it to free flow or in case your buddy runs out of air during your dive. The octopus regulator connects to the first stage, typically sporting a longer hose to make it easy to pass around. Moreover, the device is designed with a yellow or orange purge cover to allow easy identification underwater.
Now you won't be looking anymore at scuba regulators as mere scuba equipment [http://www.scubasuppliers.com] outfitted with high pressure hoses that connect to specialized conveyors but as a fundamental life support underwater.