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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
Section 2 System Components and Description
Figure 2.1.3.1b Mv Cylinder Valve w/ Trim Kit (Single Cylinder System)
Discharge
Outlet
Manual Valve
Actuator
(P/N 17001)
Rupture Disc
Axed to
Cylinder Valve
Low-Pressure
Supervisory Switch
Assembly
(P/N 22946)
Pressure
Gauge
Assembly
(P/N 25804)
Pressure
Vent Port
Axed to
Cylinder
2” Grooved Coupling
(50 mm)
Shipped with Cylinder
Valve as part of Anti-
Recoil Safety Device
2” Grooved
Elbow
(50 mm)
(P/N 18551)
2” Grooved
Coupling
(50 mm)
(P/N 18555)
2” Grooved to NPT
Adapter Nipple
(50 mm)
(P/N 18474)
Agent Fill Port
Axed to
Cylinder
Electric Valve Actuator
w/ Supervisory Limit Switch
(P/N 20722)
Anti-Recoil
Safety Cap
Shipped with
Cylinder Valve
as part of
Anti-Recoil Safety
Device