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Fire Detection and Suppression Chapter 6 Automatic Sprinkler Systems
Sprinkler Systems ,[object Object],*  Should be  simple ,  reliable ,  automatic , & use a readily available and inexpensive extinguishing agent Understanding sprinkler system operation is important so that firefighting operations in sprinklered buildings can be carried out in the most efficient manner.
Sprinkler System Effectiveness ,[object Object],[object Object],[object Object]
Reasons that sprinkler systems fail to protect: ,[object Object],[object Object],[object Object],[object Object],[object Object]
Reasons for Installation 1.  Code requirements 2.  Insurance incentives 3.  Fire protection of life & property 4.  Flexibility in building design
Standard ,[object Object]
Sprinkler System Components 1.  Water Supply 2.  Distribution piping 3.  Nozzles a.k.a. Sprinkler Heads 4.  Valves 3.  Nozzles a.k.a. Sprinkler Heads
Sprinkler : portion of the system that senses the fire, reacts, and then delivers water to the fire area ,[object Object],[object Object],[object Object]
[object Object],Heat-sensitive device: ,[object Object]
Heat-sensitive device
Heat-sensitive device
Operating Temperatures 135°F 155°F 175°F 200°F 285°F Heat-sensitive device most common
Fusible Link Heat-sensitive device
Response Time Index (RTI) : speed of operation of a sprinkler head; smaller # means faster response ,[object Object],[object Object],[object Object],ESFR (Early Suppression Fast Response) Sprinkler Heads : Superior design with a very low RTI resulting in 5-10x faster response than standard sprinkler heads  Heat-sensitive device
[object Object],[object Object],Deflector : ,[object Object]
[object Object],Sprinkler Head Designs: ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],Discharge Orifice :
Sprinkler System Components 1.  Water Supply 2.  Distribution piping 3.  Nozzles a.k.a. Sprinkler Heads 4.  Valves 2.  Distribution Piping
Sprinkler System Piping Material: ,[object Object],[object Object],[object Object],[object Object]
Sprinkler System Piping Size: ,[object Object],[object Object]
Sprinkler System Piping Terminology: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sprinkler System Components 1.  Water Supply 2.  Distribution piping 3.  Nozzles a.k.a. Sprinkler Heads 4.  Valves 4.  Valves
Sprinkler System Valves ,[object Object],[object Object],[object Object],Operating valves: ,[object Object]
Sprinkler System Valves Operating valves: ,[object Object],[object Object],[object Object]
 
[object Object],[object Object],[object Object],a b c
Sprinkler System Components 1.  Water Supply 2.  Distribution piping 3.  Nozzles a.k.a. Sprinkler Heads 4.  Valves 1.  Water Supply
Sprinkler System Water Supply ,[object Object],[object Object],[object Object]

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2.5 suppression.sprinklers.wk12a

Editor's Notes

  1. Three basic purposes of private water supply systems: To provide water solely for fire protection To provide water for sanitary purposes and fire protection To provide water for fire protection and manufacturing processes Three basic purposes of private water supply systems: To provide water solely for fire protection To provide water for sanitary purposes and fire protection To provide water for fire protection and manufacturing processes