Diving regulator contents

1 Types of diving regulator
1.1 Demand valve
1.2 Free-flow regulator
1.3 Rebreather regulators
1.3.1 Automatic diluent valve (ADV)
1.3.2 Bailout valve (BOV)
1.3.3 Constant mass flow addition valve
1.3.4 Manual and electronically controlled addition valves
2 Structure and function of diving regulators
2.1 Single hose two-stage open circuit demand regulators
2.1.1 The first stage
2.1.2 Types of first stage
2.1.2.1 Piston type first stage
2.1.2.2 Diaphragm type first stage
2.1.2.3 Connection of first stage regulator to the cylinder valve or cylinder manifold
2.1.2.4 Risk of the regulator becoming blocked with ice
2.1.3 Interstage hose
2.1.4 Second stage or Demand valve
2.1.4.1 Types of second stage
2.2 Twin-hose open circuit demand scuba regulators
2.2.1 Two stage twin hose open circuit demand regulators
2.2.2 Single stage twin hose open circuit demand regulators
2.3 Regulator accessories
2.3.1 Pressure relief valve
2.3.2 Submersible pressure gauge (SPG)
2.3.2.1 Standard type
2.3.2.2 Button gauges
2.3.2.3 Air integrated computers
2.3.3 Mechanical reserve valves
2.3.4 Secondary demand valve (Octopus)
2.3.5 Full face mask or helmet
2.3.6 Buoyancy compensator and dry suit inflation hoses
2.3.7 Instrument consoles (Combo consoles)
3 Exotic examples
3.1 Twin-hose without visible regulator valve (fictional)
3.2 Demone regulator
3.3 Practical Mechanics design
3.4 Twin-hose, home-made
3.5 Constant flow
3.6 Full-face mask regulator
4 Performance of regulators
5 Manufacturers
6 Value Added Reseller
7 References
8 External links