HOSES AND NOZZLES Flashcards
Pages 37-46
THE MINIMUM HOSE INVENTORY
6” soft sleeve
25’
THE MINIMUM HOSE INVENTORY
5”
1000 ft
THE MINIMUM HOSE INVENTORY
2-1/2
1000 ft
THE MINIMUM HOSE INVENTORY
1” Booster Line
200 ft
THE MINIMUM HOSE INVENTORY
10ft hard section
2(two) sections
THE MINIMUM HOSE INVENTORY
Pre-Connected 1 3⁄4” attack hoselines
2 (Two) 200 foot 1 3⁄4” Crosslays
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All other 1 3⁄4” attack hoselines length per Company Captain
THE MINIMUM HOSE INVENTORY
Wildland Hose
200’ of 1” hose
THE MINIMUM HOSE INVENTORY
Apartment Pack
100’ of 1 3⁄4” hose
5” Hose
When connecting 5” hose to the intake valve, never place a ____ hand twist in the hose. It may uncouple upon charging
•Right
5” Hose
If a hose clamp is used when laying out, the clamp must be placed close to a coupling on the ______ side.
The 5” hose will extend horizontally when charged, so always clamp at least _____ back from the tail board.
- Supply
* 25’
5” Hose
• A Supply line connected to a hydrant at incident scenes shall be ____ or larger
5”
Storz Adapters and Appliances
NOTE: The 6” Ball intake valve (BIV) will flow in excess of ______ GPM. It is also
capable of drafting if outfitted with the proper adapter.
2000
Storz Adapters and Appliances
6” Ball Intake Valve (BIV)
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With 5” Storz connection
2 1⁄2” Hose
2 1⁄2” hose shall be loaded in the hosebed with the male coupling out/on top. This hose is versatile and can be used for a variety of applications:
- FDC – to supply a sprinkler or standpipe systems.
- Master Stream – to supply the ground monitor and mini-monitor.
- Handline – High Volume handline for large fires. May also be used to supply a gated wye.
- Supply – to transfer water between apparatus on scene.
2 1⁄2” Pre-connected Handline
Advantage:
Disadvantage:
Advantage:
Rapid Deployment, Up to 300GPM
Disadvantage:
Relatively short lengths (200’ or less) may be a limiting factor for large area structures.
2 1⁄2” Static Load
Advantage:
Disadvantage:
Advantage:
Ability to carry several hundred feet of hose so the proper length can be deployed.
Disadvantage:
The engineer must break the coupling and connect to the desired discharge outlet.
2 1⁄2” Standard Hose Adapters and Appliances
2-1/2 double male
2-1/2 double female
2 1⁄2” x 1 1⁄2” Gated Wye
Every engine company should carry at least two
one in the high rise bag and one on the front bumper discharge
2 1⁄2” Siamese
For joining two 2 1⁄2” hose lines together to form one hose line. Other uses include augmenting the FDC to ______ sprinkler or standpipe flow.
*Additionally it can be used during a “modified tanker shuttle”. Refer to page 75.
Increase
2 1⁄2” Smooth Bore Nozzle
This stacked tip nozzle operates at ___ ___ nozzle pressure (NP) and flows the following:
1” = \_\_\_\_GPM 1-1/8” = \_\_\_\_GPM 1-1/4” = \_\_\_\_GPM
WARNING: The maximum safe flow through a 2-1/2” handline is ____ ____.
To compensate for friction loss in 2 1⁄2” handlines add ____ per 100’ to the PDP. This standard friction loss works equally well for fog streams or smooth bore nozzles.
50 PSI
200GPM, 250 GPM, 300 GPM
300 GPM
10 PSI
Akron Turbojet 2 1⁄2” Fog Nozzle:
Operates at ___ ___ NP with an adjustable flow range of ____, ____, ____ and ____ GPM.
Has a “_____-_____” feature allowing _____hose to be extended from the playpipe.
WARNING: Rotating the bumper fully clockwise will shut off the nozzle even if the bale is open.
100 PSI
125, 150, 200, 250 GPM
Break-away
1-3/4
1 3/4 Hose and Nozzles
1 3/4” hose loaded in a pre-connected manner is the “bread and butter” attack line of the JFRD.
Akron Turbojet Nozzle - This nozzle has five settings from ____-____ GPM.
However, JFRD recommends the ___, ___, or ___ GPM setting for initial interior firefighting.
30-200 GPM
95,125,150 GPM
NOTE: It is important to understand both “nozzle pressure” (NP) and “pump discharge pressure” (PDP).
Both figures must be included for the engineer to fully understand the capability and pumping requirements of each nozzle.
Remember this simple formula: PDP = ______ ______ + ______ ______
NOZZLE PRESSURE + FRICTION LOSS
Akron Turbojet (75 PSI) Fog Nozzle
- An initial PDP of ____ PSI will allow the nozzle operator to select 95, 125 or 150 GPM on the nozzle and attain this flow.
- A desired flow of 200 GPM requires an increase in PDP from ____ PSI to ____ PSI. Two firefighters may be required for safe handling
110 PSI
110 PSI to 150 PSI
Akron Turbojet (100 PSI) Fog Nozzle
- A pump discharge pressure of ___ PSI will allow the nozzle operator to select 95, 125 or 150 GPM on the nozzle and attain this flow. The nozzle operator can change the GPM setting with no adjustment in PDP required.
- A desired flow of 200 GPM requires an increase in PDP from ____ PSI to ____ PSI. Two firefighters may be required for safe handling.
NOTE: There is a greater tendency for handlines to kink when used with the 75 PSI nozzle. A quick remedy is to increase initial PDP when charging, then reduce to the recommended PDP. If the nozzle operator experiences a sudden PSI loss while advancing, suspect a kinked line. All firefighters on scene shall be watchful for kinks and assist in feeding hose into and inside a structure. If hose kinks become frequent the engineer can boost PDP by ___- ___ PSI.
135 PSI
135 PSI TO 175 PSI
10-25 PSI
Akron SaberJet Nozzle
This 1 3⁄4” nozzle has a dual position bale allowing the nozzle operator to select a fog or solid stream. The fog ranges from a narrow angle to a wide angle and cannot produce a straight stream. The smooth bore can be configured for ___” or ___”tip.
It cannot flow both fog and solid streams simultaneously.
The solid stream setting will flow:
• ____ GPM at ____ PSI NP (7/8”)
• ____ GPM at ____ PSI NP (15/16”) The fog stream setting will flow:
• ____ GPM at ____ PSI NP
A PDP of ____ PSI will produce the above flows with 150’ or 200’ of hose. When the solid stream is selected this nozzle may require two firefighters for safe control. If less volume is sufficient, this nozzle produces a quality fog and solid stream at lower pressures that can be handled by one firefighter.
7/8” or 15/16” tip
150 GPM 50 PSI
180 GPM 50 PSI
135 GPM at 100 PSI
125 PSI
The nozzle operator can change from fog to solid and back with no PDP adjustment required. This is because the change in GPM results in a corresponding change in friction loss (friction loss increases by ____-____ PSI when changing from fog to solid stream).
40-50 PSI
Booster Line
Each engine carries ____’ of ____” booster hose. It is used for a variety of small fires, wildland fires, or overhaul.
Each Booster Hose is equipped with a __” Akron Turbo jet Nozzle with the following GPM settings “(__, __, __ and __ GPM)” at ___ PSI.
200’
1”
1”
“(13, 25, 40 and 60 GPM)” at 100 PSI
Hard Suction Hose
All engines carry two 10 foot sections of hard suction hose. There is (1) heavy duty hose and (1) drafting hose. Each hose has __” threads to match the steamer connection.
Heavy duty hose is for drafting or connection to a hydrant. This hose is heavy, not very flexible, and difficult to maneuver. Refer to page 63 for instructions on making a hard suction to hydrant “hook-up.” The drafting hose is lightweight and flexible but is for drafting only and cannot be pressurized. The __“ to _____” adapter and __” to _____” adapter permit the hard suction hose to be connected to a hydrant.
6”
6” to 4-1/2” adapter
6” to 2-1/2” adapter
Hard Suction Hose
Each engine shall be equipped with a ______- ______ strainer and _____ for drafting from a natural static source.
Barrel-style strainer
Rope
Low Level Strainer
Two types of low-level strainers are in use to facilitate drafting from tanker basins. Each tanker carries a strainer with ______” threads (right). Also attached to this strainer is a ______” double male adapter. This allows a direct connection to _____” hard suction hose carried by tankers. Connecting to 6” hard suction requires a _____” to __” adapter (also carried by tankers).
A newer type of strainer is carried by Engines equipped with front intakes. It is ___ in color and has ___” threads. It is the lightweight and may need to be weighted down in a tanker basin.
4-1/2 threads
4-1/2 double male adapter
4-1/2 hard suction carried by tankers.
4-1/2 to 6” adapter
Red
6”
Soft Intake Hose
Some engines may be equipped with a __” soft intake hose. It is red in color and 25ft. in length. This hose will flow in excess of ______ GPM when connected to a Ball Intake Valve (BIV).
6”
2000 GPM
Apartment Packs
Each Engine Company shall maintain ____’ of ____” hose, loaded in shoulder packs.
These packs shall be equipped with a ____ x ____ gated wye and a nozzle.
100’ of 1-3/4
2-1/2 x 1-1/2
High Rise Packs
Each Engine company shall carry the following equipment:
- Three – ___’ sections of JFRD “High Rise Spec” ____” Hose (Loaded in shoulder packs)
- One – ____” Lightweight nozzle equipped the following way. Bail shut off, mini stream shaper, short stack tips (size _____” and ____” Low Flow)
- High Rise Bag, Consisting of:
65’ sections
2-1/2”
2-1/2”
1-1/8”
1/2”
- 2 1⁄2” in-line pressure gauge
- 2 1⁄2” gate/ball valve
- 2 1⁄2” Lightweight elbow
- 1 1⁄2”x 2 1⁄2” increaser
- 1 1⁄2” Fog Nozzle
- 2 – spanner wrenches
- marking device
- 6 – disposable glow sticks
- 14-18” pipe wrench
- flat blade screw driver
- Phillips head screw driver
- Allen wrenches
- 6- 8” crescent wrench.
Attic Nozzle
Ladder Companies carry Distributor Nozzles that can be placed into an attic space from the floor below. The complete set includes two lengths of _____” aluminum pipe ( ___’ and ___’) a
_-__ “x _-__” increaser and a standard _-__” playpipe (see below). These nozzles cover _____ sq. ft. of attic space and flow approximately ____ GPM at ___ PSI.
1-1/2
2’ and 6’
1-1/2 x 2-1/2 increaser
2-1/2 playpipe
1000 sq ft
125 GPM at 100 PSI
The minimum hose inventory
High Rise Pack
195’ of 2 1/2 HR hose
Storz Adapters and Appliances
6” Piston Intake Valve (PIV)
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With 5” Storz connection
Storz Adapters and Appliances
Front Intake
5” piping outfitted with 6”
Female to 5” Storz connection
Storz Adapters and Appliances
4” female to 5” Storz adapter
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Located on the LDH discharge valve
Storz Adapters and Appliances
4-1/2 female to 5” Storz adapter
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This is the standard JFRD hydrant connection, normally installed on 5 inch hose in the hose bed.
Storz Adapters and Appliances
2-1/2 female to 5” Storz adapter
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This adapter is used for connecting 5” hose to the 2 -1/2 outlet on a hydrant
Storz Adapters and Appliances
Rear Intake
—————————————————
5” piping outfitted with 5” Female to 5” Storz Connection
Storz Adapters and Appliances
5” Storz to 6” male adapter
—————————————
Vacuum rated adapter to allow connection of hard suction or 6 inch soft intake hose to BIV. Painted red and equipped with vacuum rated gasket.
