Fire Extinguisher

Page 2 (Listings and Approvals)

Janus Mv Series - Listings and Approvals

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Table of Contents

Table of Contents3
General Information15
Listings and Approvals16
Extinguishing Agent17
Safety Considerations17
System Components and Description19
Cylinder Assembly20
Cylinder20
Rupture Disc20
Pressure Vent Port20
Agent Fill Port20
Dip Tube21
Cylinder Valve21
MV Series Valve Features22
Lv Series Valve Features25
Trim Components28
Pressure Gauge Assembly28
Low-Pressure Supervisory Switch Assembly29
Low-Pressure Supervisory Switch Conduit Adapter30
Electric Valve Actuator W Limit Switch30
Manual Valve Actuator31
Discharge Connection Fittings32
MV Series Fittings32
Lv Series Fittings32
Multi-Cylinder Arrangement Components33
Remote Nitrogen Actuation Cylinder33
Remote Pneumatic Actuation/Bracket Kit33
Pneumatic Valve Actuator34
Vent Check34
Pilot Actuation MID Line Tee35
Male NPT Adapter35
Pilot Actuation End Line Tee35
Flex Hose35
Explosion-Proof Actuation Components36
Lever-Pull Manual Actuator36
Manual/Pneumatic Actuator36
Remote Pilot Actuation Tee36
Pilot Actuation Check Valve37
Explosion-Proof Low-Pressure Supervisory Switch Assembly37
Supplemental Components38
Manifold Check Valve38
Discharge Pressure Switch39
Explosion-Proof Discharge Pressure Switch, Self-Restoring39
Discharge Manifold40
Pressure Release Trip43
Discharge Indicator43
Discharge Nozzles44
Fixed Orifice Nozzles44
Local Application, Overhead (LAOH) Nozzle44
Tankside (TS) Nozzle44
Total Flood (TF) Nozzle44
Three-Way Nozzle45
Duct and Plenum (D/P) Nozzle45
Screening (SCR) Nozzle45
Total Flood, Perimeter (TFP) Nozzle45
JSH Discharge Nozzles46
Nozzle Blow-Off Caps47
System Design49
Hazard Analysis49
Fuel Source49
Choosing Proper System Type50
General Purpose and Industrial Hazards52
Local Application - Overhead53
Nozzle Orientation53
Temperature Limitations53
Agent Application53
Local Application - Tankside54
Nozzle Orientation54
Temperature Limitations54
Agent Application54
Total Flood - JSH Nozzles55
Nozzle Orientation55
Temperature Limitations56
Agent Application56
Total Flood - Fixed Orifice57
Total Flood - Standard Coverage57
Nozzle Orientation57
Temperature Limitations58
Agent Application58
Total Flood - Module Perimeter Coverage59
Nozzle Orientation59
Temperature Limitations61
Agent Application61
Screening Nozzle with Total Flood Applications61
Vehicle Paint Spray Booth (VPSB)63
Temperature Limitations64
Work Area Coverage, VPSB64
Nozzle Orientation - Standard Work Area Coverage65
Agent Application - Standard Work Area Coverage67
Module Perimeter Work Area Coverage67
Module Perimeter Work Area Coverage - Nozzle Orientation68
Module Perimeter Work Area Coverage - Agent Application68
Plenum Coverage, VPSB69
Plenum Coverage72
Duct Coverage, VPSB73
Open Front Paint Spray Booths (OFPSB)74
Temperature Limitations74
Agent Application75
Open Front Paint Spray Booths (OFPSB) Nozzle Coverages75
Work Area and Plenum, OFPSB75
Ducts, OFPSB76
Pipe Determination78
Peripheral Equipment and Accessories79
Control Panel79
Accessories79
Sample Equipment Order List80
System Installation83
Mechanical Installation84
Installing Cylinder Bracket Channels84
Installing Discharge Piping87
Threaded Pipe87
Threaded Fittings87
Grooved Fittings and Couplings88
Pipe Reductions88
Pipe Supports and Hangers88
Installing Nozzles89
Installing Cylinder Assembly89
Installing Pressure Gauge Assembly89
Installing Low-Pressure Supervisory Switch Assembly89
Installing Discharge Pressure Switch90
Installing Pilot Actuation Line91
Installation Using Flex Hose91
Installation Using Copper Tubing91
Installation Using Schedule 40 Pipe92
Installing Remote Nitrogen Actuation Cylinder92
Electrical Installation97
Commissioning System99
System Review99
Discharge Piping Pressure Test100
Installing Pneumatic Valve Actuator101
Installing Electric Valve Actuator101
Installing Manual Valve Actuator102
Warning Signs102
Additional Considerations102
Manual104
Label104
System Inspection and Maintenance105
Monthly Inspection105
Maintenance106
Semi-Annual Maintenance107
Pressure Check107
Cylinder Weighing107
Annual Maintenance107
Five Year Maintenance108
Six Year Maintenance109
Additional Notes on Maintenance109
System Recharge and Reset111
Cleanup Following Discharge111
Piping and Nozzles111

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