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

2. Intermediate between remote air source and face-piece or headpiece + air tool Copyright © 2013 by The S.E.A. Group What is the SR507?

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

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

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? Connecting supplied air to any Sundström head piece or face piece with breathing hose for SR500 or SR700 PAPR. 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. Hose adapter The adapter nipple fits into the regulator like a regular supplied-air hose. Once fitted, any of Sundström’s PAPR headpieces can be connected through the bayonet coupling. Copyright © 2013 by The S.E.A. Group

10. Control knob Large & easy even with thick gloves 175 litres/minute to 260 litres/minute Cannot be accidentally turned off Copyright © 2013 by The S.E.A. Group

11. Warning whistle Sounds if air supply drops below 175 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