iv
September 2004
Argonite
®
Engineered Fire Suppression System
38-KFSARG-000
TABLE OF CONTENTS (cont.)
Paragraph Title Page
CHAPTER 6 SYSTEM COMPONENTS ..........................................................................................................................6-1
6-1 Cylinders ..................................................................................................................................................... 6-1
6-2 Cylinder Valve ............................................................................................................................................. 6-2
6-3 Cylinder Release ........................................................................................................................................ 6-3
6-4 Electrical Activation .................................................................................................................................... 6-5
6-5 Manifolds ..................................................................................................................................................... 6-5
6-6 Selector Valve Systems .............................................................................................................................. 6-6
6-6.1 Pressure Regulator Kit, P/N 38-509803-001 ............................................................................................. 6-8
6-6.2 Selector Valve Assemblies .........................................................................................................................6-8
6.6.3 Isolation (Lockout) Valve Assemblies ........................................................................................................6-12
6-7 Restrictor/Orifice ......................................................................................................................................... 6-13
6-7.1 Flow Restrictor ............................................................................................................................................6-14
6-7.2 Orifice Plate Restrictor Assemblies ............................................................................................................ 6-15
6-8 Nozzles ....................................................................................................................................................... 6-16
6-9 Cylinder Racks ............................................................................................................................................ 6-17
6-9.1 Cylinder Mounting Bracket (P/N 38-109875-001) ...................................................................................... 6-17
6-9.2 Wall Mount Bracket Kit for 66.7L and 80L Cylinders with Manifold Mounting Brackets ........................... 6-17
6-9.3 Cylinder Rack Assemblies, Free Standing Racks ...................................................................................... 6-19
6-9.3.1 One Row/One Side Cylinder Racks ...........................................................................................................6-20
6-9.3.2 One Row/Two Sides Cylinder Racks ......................................................................................................... 6-22
6-9.3.3 Two Rows/One Side Cylinder Racks ......................................................................................................... 6-24
6-9.3.4 Two Rows/Two Sides Cylinder Racks ........................................................................................................ 6-26
CHAPTER 7 SYSTEM DESIGN ......................................................................................................................................7-1
7-1 Introduction ................................................................................................................................................. 7-1
7-2 General .......................................................................................................................................................7-1
7-3 Physical Properties of Argonite .................................................................................................................. 7-1
7-3.1 Specification for Argonite AR/N2 50%/50% by Volume, Atmospheric ....................................................... 7-2
7-3.2 Purity of AR and N2 .................................................................................................................................... 7-2
7-4 Evaluation of Hazard/Risk ..........................................................................................................................7-2
7-5 Evaluation of Cylinder Storage Space........................................................................................................ 7-3
7-6 Inerting ........................................................................................................................................................ 7-3
7-7 Extinguishing Values .................................................................................................................................. 7-4
7-7.1 Class A and Class C ................................................................................................................................... 7-4
7-7.2 Class B ........................................................................................................................................................ 7-4
7-7.3 Equation Formula for Specific Requirements ............................................................................................ 7-4
7-8 Design Concentrations ...............................................................................................................................7-4
7-8.1 NFPA Design Concentrations ..................................................................................................................... 7-4
7-8.2 ISO Design Concentrations ........................................................................................................................7-5
7-9 Design Factors............................................................................................................................................ 7-5
7-9.1 Effects of Altitude ........................................................................................................................................ 7-5
7-10 Design Considerations ............................................................................................................................... 7-8
7-10.1 Electrical Clearance ................................................................................................................................... 7-8
7-10.2 Leakage ...................................................................................................................................................... 7-9
7-10.3 Temperature Considerations ......................................................................................................................7-9
7-10.4 Flow Calculation .........................................................................................................................................7-9
7-10.5 Calculation of Room Volume ...................................................................................................................... 7-10
7-10.6 Quantity of Agent Calculation ..................................................................................................................... 7-10
7-10.7 Cylinder Content ......................................................................................................................................... 7-11
7-10.8 Cylinder/Volume Ratio, Class A and Class C Fires ...................................................................................7-11
7-10.9 Cylinder/Volume Ratio, Class B Fires (n-Heptane) ...................................................................................7-11
7-11 Cylinder Bank Installation ...........................................................................................................................7-12
7-11.1 Location ...................................................................................................................................................... 7-12
7-12 Cylinder Valve ............................................................................................................................................. 7-12
7-13 Nozzles .......................................................................................................................................................7-12
7-13.1 Selecting Number of Nozzles ..................................................................................................................... 7-12
7-13.2 Underfloor Nozzles ..................................................................................................................................... 7-14
7-13.3 Nozzle Location .......................................................................................................................................... 7-14
7-14 Distribution Piping....................................................................................................................................... 7-15
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