Anatomy of a 2nd Stage
Inside Your Scuba Second Stage Regulator: A Comprehensive Guide
What is a Second Stage Regulator?
The second stage regulator is a vital life support component that delivers breathing gas at ambient pressure whenever you inhale underwater.
Second Stage Components and Operation
Key Internal Parts
- Demand lever
- Diaphragm
- Exhaust valve
- Low-pressure seat
- Adjustment knob (on adjustable models)
- Mouthpiece assembly
How the Mechanism Functions
- Responds to diver inhalation
- Matches surrounding water pressure
- Provides smooth gas delivery
- Controls exhaust flow
- Maintains consistent breathing resistance
Maintenance Requirements
Essential Care Tips
- Regular cleaning procedures
- Post-dive freshwater rinse
- Annual professional servicing
- Pre-dive checks
- Proper storage methods
Professional Training Available
- RAID Equipment Specialty program offered
- Learn detailed maintenance protocols
- Master regulator troubleshooting
- Understand service intervals
Note: This is critical life-support equipment that requires proper care and understanding.
Most RAID training centers & instructors will be able to offer an Equipment Specialty course. This can help you to understand how your equipment works and how to better take care of it. If you can’t find a dive center in your area that offers a RAID Equipment Specialty course, let us know.