Table 12. Fire Monitors Technical Characteristics

TM 55-1925-292-14&P

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FIRE MONITORS

There are three fire monitors located on top of the pilothouse. The monitors are part of the raw water firefighting

system. They are used for exterior firefighting and are pressurized by the diesel engine-driven firefighting pump.

The monitors are capable of delivering AFFF or raw water when rendering aid to other vessels.

The technical characteristics of the fire monitors are contained in table 12.

Table 12. Fire Monitors Technical Characteristics

Item

Data

Manufacturer ................................................................................................ In-Mar Systems, Inc.

Model .............................................................................................................................. Skumfire

Type .............................................................................................. 2.5 inch (1.17 meter) diameter

Rated Capacity ................................................................... 500 gallons (1892.7 liters) per minute

Hydrostatic Test Pressure ................................................................................ 340 PSI (23.4 bar)

Design Pressure .............................................................................................. 227 PSI (15.7 bar)

Continuous Operating Pressure ......................................................................... 100 PSI (6.9 bar)

AQUEOUS FILM FORMING FOAM (AFFF) PUMP

The AFFF pump is an electric motor-driven horizontal gear pump that is powered from the main switchboard. Its

purpose is to provide AFFF concentrate to the to the fire monitors.

The technical characteristics of the AFFF pump are contained in table 13.

Table 13. AFFF Pump Technical Characteristics

Item

Data

Manufacturer ...................................................................................................................... Roper

Model .................................................................................................................................... 2F75

Type ..................................................................................................................... Horizontal Gear

Rated Capacity ...................................................................... 60 gallons (227.1 liters) per minute

Maximum Pressure .......................................................................................... 190 PSI (13.1 bar)

Continuous Working Pressure ........................................................................... 125 PSI (8.6 bar)

Maximum Fluid Temperature .............................................................................. 125 F (51.7 C)

Voltage .................................................................................................... 450 Vac, 60 Hz, 3 phase

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