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MV & LV SERIES ENGINEERED DRY CHEMICAL FIRE EXTINGUISHING SYSTEM
OPERATION, DESIGN, & SERVICE MANUAL
REV C
Document # DOC324
Issued: April 26, 2018
Revised: March 22, 2022
UL FILE # EX27541
Figure4.1.6.1bPilotActuationLineCongurationforLvSeriesCylinders
Figure4.1.6.1aPilotActuationLineCongurationforMvSeriesCylinders
Discharge
Pressure Switch
(P/N 97428)
Discharge
Pressure Switch
(P/N 97428)
Manual
Valve Actuator
(P/N 17001)
Manual
Valve Actuator
(P/N 17001)
Electric
Valve Actuator
(P/N 20722)
Electric
Valve Actuator
(P/N 20722)
Pneumatic
Valve Actuator
(P/N 17019)
Pneumatic
Valve Actuator
(P/N 17019)
Discharge Manifold
(Provided By Installer)
Discharge Manifold
(Provided By Installer)
Pilot Actuation
Mid Line Tee
(P/N 18622)
Pilot Actuation
Mid Line Tee
(P/N 18622)
2” (50 mm)
Manifold
Check Valve
(P/N 18546)
2” (50 mm)
Manifold
Check Valve
(P/N 18546)
Vent Check
(P/N 10173)
Vent Check
(P/N 10173)
200 lb - 24” Flex Hose (610 mm)
600 lb - 34” Flex Hose (864 mm)
(P/N 18649 / 18650)
Male NPT
Adapter
(P/N 18625)
Male NPT
Adapter
(P/N 18625)
Pilot
Actuation
End Line
Tee
(P/N 18611)
Pilot
Actuation
End Line
Tee
(P/N 18611)
Male NPT
Adapter
(P/N 18625)
Male NPT
Adapter
(P/N 18625)
40” Flex Hose
(1016 mm)
(P/N 18651)
Remote Nitrogen
Actuation Cylinder
(P/N 26311)
Remote Pneumatic
Actuation/Bracket Kit
(P/N 97643)
Remote Nitrogen
Actuation Cylinder
(P/N 26311)
Remote Pneumatic
Actuation/Bracket Kit
(P/N 97643)
Section 4 System Installation