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IOM
Model: FP 400E-5D
Sizes: 2"-12"
PI4PE09-400E-5D
5.
Equivalent Length
Deluge Valve Equivalent Length Value (Steel Pipe), for use in hydraulically calculated systems
Valve Size
Equivalent Length Value
Meter (Ft)
2”
9.1 (30) of 2” pipe
2½”
12.1 (40) of 2½” pipe
3”
13.7 (45) of 3” pipe
4”
14 (46) of 4” pipe
6”
27.4 (90) of 6” pipe
8”
45.7 (150) of 8” pipe
6.
Optional
Equipment
If required, order a pressure switch to either activate an electric alarm, or shut down desired equipment.
7.
Placing
in
Service/Resetting the System
7.1. Check the entire release system for leaks. Replace any fused thermostatic release, fixed-temperature-
releases.
7.2. Check all emergency releases, making certain all valve handles are returned to the closed position.
7.3. Open priming-line valve (18B) and allow pressurized water to flow to the hydraulic release system, to the
HRV (26B) and to the top chamber of the Deluge Valve.
7.4. When the pressure gauge on the top chamber indicates full service-line pressure and is no longer rising, the
release system is reset.
7.5. Check the entire release system for leaks.
7.6. Open the system control valve slowly. No water should flow into system.
7.7. Depress the Drip Check (19B) and drain any water from the system side of the Deluge Valve.
7.8. The system is now in service.
8.
Removing the System from Service
When taking deluge system out of service, a fire patrol should be established in the system area. If automatic
fire-alarm signaling equipment is utilized, the proper authority should be notified that the system is being removed
from service. The insuring body and owner representative should also be notified when the system is taken out of
service.
9.
Removing
Instructions
9.1. Shut off the main supply valve.
9.2. Priming- line valve (18B) to Deluge Valve should be closed.
9.3. Open all drain valves.
9.4. Release the water pressure from the hydraulic release system. This may be accomplished by opening the
emergency release (15B).
9.5. Place "Fire Protection System Out of Service" signs in the area protected by the system.
