1. Copyright © 2013 by The S.E.A. Group Supplied-air regulator

2. Intermediate between remote air source and face-piece or headpiece Copyright © 2013 by The S.E.A. Group What is the SR307?

3. Breathing air out Airflow control knob Warning whistle Tool air out Supplied air in Copyright © 2013 by The S.E.A. Group

4. The supplied-air system Copyright © 2013 by The S.E.A. Group CompressorAirline filterSupply hoseRegulator Air tool Face/head piece

5. Supply hose ADVANTAGES: Odourless Kink and tangle proof Passes pull tests and pressure tests Fitted with connectors that cannot be connected to non- breathing air Copyright © 2013 by The S.E.A. Group

6. Air quality Intake air at source must be free of contaminants Oil content must be below the smell threshold (0.3 mg/m 3 ) Air must not be so cold as to freeze equipment Copyright © 2013 by The S.E.A. Group

7. Where use? A: With Sundström half face mask (adapter) B: With Sundström full face mask (adapter) C: With Sundström full face mask (airline) D: With supplied-air hood Copyright © 2013 by The S.E.A. Group

8. Where NOT to use Not enough oxygen Unknown contaminant IDLH Oxygen-enriched Breathing difficulties Smell or taste contaminant Dizziness, discomfort Warning whistle Copyright © 2013 by The S.E.A. Group

9. Filter adapter Used with Sundström half or full face mask No permanent modifications Fits in filter mount just like a filter Copyright © 2013 by The S.E.A. Group

10. Control knob Large & easy even with thick gloves 150 litres/minute to 320 litres/minute Cannot be accidentally turned off Copyright © 2013 by The S.E.A. Group

11. Warning whistle Sounds if air supply drops below 150 litres/minute Leave area Do not remove equipment Copyright © 2013 by The S.E.A. Group

12. Before use Clean & intact Securely connected Breathing-air quality Know how to use Copyright © 2013 by The S.E.A. Group

13. Thanks for watching Copyright © 2013 by The S.E.A. Group