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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 3 System Design
3.7 Sample Equipment Order List
Sample Mv Series Single Cylinder Equipment Order List
Quantity P/N Description
1 25147-350 Cylinder Assembly, Dry Chemical, 600 lb (includes 350 lbs of agent)
1 18536 Bracket Assembly, Cylinder, 24”
1 20722 Electric Valve Actuator w/ Supervision
1 17001 Manual Valve Actuator
1 25804 Gauge Assembly, Pressure, Dry Chemical
1 22946 Switch Assembly, Low-Pressure Supervisory, 500 PSI
1 18555 Coupling, Grooved, 2” (50 mm)
1 18551 Elbow, Grooved, 2” (50 mm)
1 18474 Nipple, Grooved x MNPT, 2” (50 mm)
As Required Various Discharge Nozzles
1 97428 Switch, Discharge Pressure
1 97735 Sign, Warning, Exit, Dry Chemical
1 97733 Sign, Warning, Entrance, Dry Chemical
Sample Mv Series Two Cylinder Equipment Order List (Manifolded)
Quantity P/N Description
2 25147-250 Cylinder Assembly, Dry Chemical, 600 lb (includes 250 lbs of agent)
2 18536 Bracket Assembly, Cylinder, 24”
1 20722 Electric Valve Actuator w/ Supervision
1 17001 Manual Valve Actuator
2 25804 Gauge Assembly, Pressure, Dry Chemical
2 22946 Switch Assembly, Low-Pressure Supervisory, PSI
2 18555 Coupling, Grooved, 2” (50 mm)
2 18551 Elbow, Grooved, 2” (50 mm)
2 18474 Nipple, Grooved x MNPT, 2” (50 mm)
2 17019 Pneumatic Valve Actuator
1 18650 Hose, Flex, 3/16”, 1/4” (8 mm) JIC Female - 34” (864 mm) (cylinder to cylinder)
1 18625
Adapter, 1/4” MNPT x 1/4” JIC Male (8 mm x 8 mm), Brass
Male NPT Adapter
1 18622
Tee, 1/4” JIC Male x 1/4” MNPT (8 mm x 8 mm), Brass
Pilot Actuation Mid Line Tee
1 18611
Tee, 1/4” FNPT x 1/4” MNPT (8 mm x 8 mm), Brass
Pilot Actuation End Line Tee
1 10173 Vent Check
As Required Various Discharge Nozzles
1 97428 Switch, Discharge Pressure
2 18546 Valve, Check, 2” FNPT (50 mm)
1 97735 Sign, Warning, Exit, Dry Chemical
1 97733 Sign, Warning, Entrance, Dry Chemical
1 97643 Kit, Pneumatic Actuation/Bracket, for Nitrogen Pilot Line, Dry Chemical
1 26311 Cylinder, Remote Pilot, Nitrogen, 500 psi
As Required Various Flex Hose (remote actuator to cylinder)