FPST2243_07_hangers and bracing

FPST2243_07_hangers and bracing - Automatic Fire...

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1 Automatic Fire Suppression Systems FPST2243 UNIT07 General Design Considerations
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2 Module Objectives Upon completing this module, students should understand Hangers Seismic protection Test connections Others Reading materials NFPA 13 chapter 3 NFPA 13 chapter 9
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1 Clapper (or alarm check valve) 6 Main drain 2 Alarm line 7 Alarm by- pass line 3 Retard chamber 8 Pressure gauge 4 Pressure (flow) switch 9 Fire department connection 5 Water motor gong 1 0 Ball drop (or automatic drop) valve
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1 Check valve 1 0 Water motor gong 2 OS&Y valve 1 1 Alarm by-pass line 3 Fire Department Connection 1 2 Automatic drain valve 4 Main drain 1 3 Priming chamber 5 Clapper 1 4 Priming level indicator line 6 Clapper latch 1 5 Quick opening device (accelerator) 7 Intermediate chamber 1 6 Air line 8 Alarm line 1 7 Air pressure gauge 9 Pressure (flow) switch 1 8 Water pressure gauge & Check valve
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System Terminology
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Hangers---Chapter 9 Air hangers and sky hooks not permitted Ø Air hangers are hangers that screw into the air Ø Sky hooks are hooks that hang down from the sky (except as illustrated in the following slide) All hangers on a sprinkler system must be capable of supporting five times the weight of the water filled pipe plus an extra 250 pounds.
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This note was uploaded on 09/28/2011 for the course FPST 2243 taught by Professor Staff during the Fall '11 term at Oklahoma State.

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FPST2243_07_hangers and bracing - Automatic Fire...

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