26
REQUIRED INTERNAL
INSPECTION
Inspect internal components on a frequency required by
the current NFPA-25 code. The authority having jurisdic-
tion in your area may require that you perform these
inspections on a more frequent basis. Verify these
requirements by contacting the authority having jurisdic-
tion in the affected area.
1.
Notify the authority having jurisdiction, remote station
alarm monitors, and those in the affected area that the
system is being taken out of service.
2.
Open the water supply main drain valve fully to flush
the water supply of any contaminants.
3.
Close the water supply main drain valve.
4.
Close the water supply’s main control valve to take the
system out of service.
5.
Open the water supply main drain valve, as shown
above.
6.
Confirm that no water is flowing from the water supply
main drain.
• Depressurize and drain piping systems before
attempting to disassemble any Victaulic piping
products.
Failure to follow this instruction could result in
serious personal injury, property damage, and/or
product damage.
• Any activities that require taking the valve out of service may
eliminate the fire protection provided.
• Before servicing or testing the system, notify the authority having
jurisdiction.
• Consideration of a fire patrol should be given in the affected areas.
Failure to follow these instructions could result in serious personal
injury and/or property damage.
Water Supply
Main Drain
Valve
Water Supply
Main Drain
Valve
Water Supply's
Main Control
Valve
Water Supply
Main Drain
Valve
DISCONTINUED
PRODUCT