Title: Scuba Diving Regulators (First and Second Stages)
Headings: How a Scuba Regulator Works
How a Scuba Regulator Works
What a Scuba Diving Regulator Does
The purpose of a scuba diving regulator is to reduce the high pressure air in a scuba tank to a breatheable pressure on demand.
Regulator Terminology
How Regulators Work
The Regulator First Stage:
The Regulator Second Stage:

Content: Scuba Diving Regulators (First and Second Stages)
Outdoors Water Sports
How a Scuba Regulator Works
A Beginner’s Guide to Scuba Regulators
Written by
Matthew Dunne is an avid scuba diver and a collector of vintage regulators. He currently maintains an ever-growing collection of Scubapro and U.S. Divers regulators. Tripsavvy's Editorial Guidelines
Matt Dunne, Regulator Nerd and Enthusiast
Updated 07/10/18
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Few pieces of sporting equipment carry more mystique than scuba regulators. Regulators are sold with a dizzying array of choices, features, and often hype, and there may be a fierce loyalty to brands among experienced divers. Is all the hype justified? Learn about common regulator concerns, terms, and myths. A bit of understanding and education will allow new divers to breathe easily (no pun intended!) when choosing a scuba diving regulator. What a Scuba Diving Regulator Does
Obviously, a scuba diving regulator allows a diver to breathe from a tank underwater. But how does a regulator transfer the high-pressure air from the scuba tank to the diver's lungs at a pressure that will not injure him?