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Ansul INERGEN User Manual

Ansul INERGEN
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System Components
UL EX-4510 12-1-01 Page 1-16
Description
Check valves are used in main/reserve and selector valve
systems. On main/reserve systems, the check valve pre-
vents pressurization of the reserve system manifold by
blocking the flow of INERGEN
® agent from the main
system to the reserve system. The check valve allows gas
flow from the reserve (if actuated) to pass through into the
distribution piping. On selector valve systems, check valves
separate the actuation of smaller system(s) from the largest
ones.
The check valves are available in sizes from 1/2 in. through
3 in.
Check Valves
Shipping Assembly
Part No. Description
840860 1/2 in. check valve
840852 3/4 in. check valve
841470 1 in. check valve
841549 1 1/4 in. check valve
841463 1 1/2 in. check valve
840649 2 in. check valve
840656 2 1/2 in. check valve
840665 3 in. check valve
Component Material Thread Size/Type Body Type Approvals Equivalent Length
(Sch. 80 Pipe)
Check Valve Bronze 1/2-14 NPT Female Threaded UL Listed (EX-4510) 12. 0 ft. (3.7 m)
Check Valve Bronze 3/4-14 NPT Female Threaded UL Listed (EX-4510) 24.0 ft. (7.3 m)
Check Valve Bronze 1-11 1/2 NPT Female Threaded UL Listed (EX-4510) 28.0 ft. (8.5 m)
Check Valve Bronze 1 1/4 -11 1/2 NPT Female Threaded UL Listed (EX-4510) 43.0 ft. (13.1 m)
Check Valve Bronze 1 1/2-11 1/2 NPT Female Threaded UL Listed (EX-4510) 51.0 ft. (15.5 m)
UL Listed (EX-4510)
Check Valve Bronze 2-11 1/2 NPT Female Threaded UL Listed (EX-4510) 48.0 ft. (14.6 m)
Check Valve Bronze 2 1/2-8 NPT Female Threaded UL Listed (EX-4510) 60.0 ft. (18.3 m)
Check Valve Bronze Body 3-8 NPT Female Threaded UL Listed (EX-4510) 154.0 ft. (46.9 m)
Steel Flange Flange
ANSUL
®
®

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Ansul INERGEN Specifications

General IconGeneral
AgentINERGEN
ComponentsNitrogen, Argon, Carbon Dioxide
Agent Composition52% Nitrogen, 40% Argon, 8% Carbon Dioxide
StorageHigh-pressure cylinders
Cylinder MaterialSteel
ApplicationTotal flooding fire suppression
Design Concentration34.2% - 50% (depending on fuel type)
Storage Pressure3000 psi (207 bar)
Environmental ImpactZero ozone depletion potential, no global warming potential
SafetySafe for use in occupied spaces when design concentration is maintained
Extinguishing MechanismOxygen reduction to below combustion level
ApprovalsUL, FM
Cylinder SizesVarious sizes
Discharge TimeTypically less than 60 seconds
Typical ApplicationsData centers, telecommunications, museums, archives

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