Task Force Tips EDUCTOR 125 Series Guida rapida

©Copyright Task Force Tips, Inc. 2004 - 2017 LIU-330 November 16, 2017 Rev08

MANUAL:

EDUCTOR 125 SERIES IN-LINE

MANUAL FOR SAFE OPERATION AND MAINTENANCE

WARNING Read instruction manual before use. Operation of this device without understanding the manual

and receiving proper training is a misuse of this equipment. Users who have not read and

understood all operating and safety instructions are not qualiﬁ ed to operate this eductor. This

instruction manual is intended to familiarize ﬁ reﬁ ghters and maintenance personnel with the

operation, servicing, and safety procedures associated with the eductor. This manual should be

kept available to all operating and maintenance personnel.

TASK FORCE TIPS, INC.

MADE IN USA • www.tft.com 3701 Innovation Way, Valparaiso, IN 46383-9327 USA

800-348-2686 • 219-462-6161 • Fax 219-464-7155

Inlet Pressure:

200 psi (13.8 bar)

160 psi (11 bar)

145 psi (10 bar)

Concentration Settings

Oﬀ , 1/4%, 1/2%, 1%, 3%, 6%

Models: 60 gpm (225 l/min)

95 gpm (360 l/min)

120 gpm (450 l/min)

125 gpm (475 l/min)

Maximum

Back Pressure:

130 psi (9 bar)

100 psi (6.9 bar)

95 psi (6.5 bar)

©Copyright Task Force Tips, Inc. 2004 - 2017 LIU-330 November 16, 2017 Rev08

DANGER

PERSONAL RESPONSIBILITY CODE

The member companies of FEMSA that provide emergency response

equipment and services want responders to know and understand the

following:

1. Fireﬁ ghting and Emergency Response are inherently dangerous activities

requiring proper training in their hazards and the use of extreme caution

at all times.

2. It is your responsibility to read and understand any user’s instructions,

including purpose and limitations, provided with any piece of equipment

you may be called upon to use.

3. It is your responsibility to know that you have been properly trained in

Fireﬁ ghting and /or Emergency Response and in the use, precautions, and

care of any equipment you may be called upon to use.

4. It is your responsibility to be in proper physical condition and to maintain

the personal skill level required to operate any equipment you may be

called upon to use.

5. It is your responsibility to know that your equipment is in operable

condition and has been maintained in accordance with the manufacturer’s

instructions.

6. Failure to follow these guidelines may result in death, burns or other

severe injury.

FEMSA

Fire and Emergency Manufacturers and Service Association

P.O. Box 147, Lynnﬁ eld, MA 01940 • www.FEMSA.org

©Copyright Task Force Tips, Inc. 2004 - 2017 LIU-330 November 16, 2017 Rev08

Table Of Contents

1.0 MEANING OF SIGNALWORDS

2.0 SAFETY

3.0 GENERALINFORMATION

3.1 PART IDENTIFICATION

3.2 GENERALOPERATING INSTRUCTIONS

3.3 CLEANING INSTRUCTIONS

4.0 FOAM SELECTION

4.1 CLASSAFOAM

4.2 CLASS B FOAM

4.3 FOAM COMPATIBILITY

4.4 FOAM CONSUMPTION

5.0 MAXIMUM HOSE LAY

6.0 NOZZLE SELECTION

7.0 TROUBLE-SHOOTING

8.0 WARRANTY

9.0 DRAWINGAND PARTS LIST

10.0 FOAM BUCKETARRANGEMENT

10.1 FOAM SUPPLY LOGISTICS

11.0 MAINTENANCE

©Copyright Task Force Tips, Inc. 2004 - 2017 LIU-330 November 16, 2017 Rev08

1.0 MEANING OF SAFETY SIGNAL WORDS

A safety related message is identiﬁ ed by a safety alert symbol and a signal word to indicate the level of risk involved with a particular

hazard. Per ANSI standard Z535.6-2006, the deﬁ nitions of the four signal words are as follows:

DANGER DANGER indicates a hazardous situation which, if not avoided, will result in death or serious

injury.

WARNING WARNING indicates a hazardous situation which, if not avoided, could result in death or serious

injury.

CAUTION CAUTION indicates a potentially hazardous situation which, if not avoided, could result in minor

or moderate injury.

NOTICE NOTICE is used to address practices not related to personal injury.

2.0 SAFETY

The eductor is designed for Class A and Class B foam concentrates. If you intend to use the eductor for liquids other than Class A

and Class B concentrates and water, we urge you to contact the Task Force Tips Engineering Department. The use of other liquids

may void the warranty and subject the user to hazards not addressed in this manual. The user assumes all risks for non-intended

uses.

• Make sure there is enough foam concentrate prepared before ﬁ ghting ﬁ re. TFT’s eductors are calibrated 15% more than the

nominal rate, or half percent point, which ever is less. Per FOAM EQUIPMENT AND LIQUID CONCENTRATES – UL 162,

the liquid concentrate induction rate of a proportioner, expressed as a percentage of the ﬂ ow rate of the mixed water plus

concentrate solution, shall be minus zero (0) percent, plus thirty (30) percent of the manufacturer’s speciﬁ ed induction rate or

one percent point, whichever is less.

• Make sure the meter head set to OFF position and the correct nozzle and hose lay are securely attached to the eductor before

the hose line is charged.

• Make sure the nozzle gallonage matches eductor’s gallonage.

• Make sure the hose lay does not exceed the maximum listed in the operating instruction.

• Make sure that the meter head is set to the correct concentration for the type of foam being used. Foam concentrates can be

ineﬀ ective if not used at the correct percentage.

DANGER Lack of foam can place operator at risk of injury or death. Establish foam ﬂ ow before advancing

into hazardous situations. Make sure you do not run out of foam concentrate before the task is

complete. Check concentrate level periodically and keep an adequate supply on hand.

WARNING Do not use Class A foam on Class B ﬁ res or Class B foam on Class A ﬁ res. Note: Some foam

concentrates are universal and can be used on Class B ﬁ res and spills and as a wetting agent

on Class A ﬁ res. (Refer to foam concentrate manufacturer’s recommendations for proper foam

choice.)

WARNING Improper use of foam can result in injury or damage to the environment. Follow the foam

concentrate manufacturer’s instructions and ﬁ re service training to avoid the following:

• Using the wrong type of foam on a ﬁ re, i.e. Class A foam on Class B ﬂ ammable liquid ﬁ re

• Mishandling of concentrates

• Plunging foam into pools of liquid fuels

• Directing foam onto yourself or other personnel

WARNING There is a wide variety of foam concentrates. Each user is responsible for verifying that any foam

concentrate chosen to be used with this unit has been tested to assure that the foam obtained is

suitable for the purpose intended.

©Copyright Task Force Tips, Inc. 2004 - 2017 LIU-330 November 16, 2017 Rev08

3.0 GENERAL INFORMATION

UE-060-NF

UE-095-NF

UE-125-NF

UEM-225-BFBF

UEM-450-BFBF

UEP-225-BHBH

UEP-450-BHBH

UEP-450-BJBJ

INLINE EDUCTOR 60 GPM 1.5”NH

INLINE EDUCTOR 95 GPM 1.5”NH

INLINE EDUCTOR 125 GPM 1.5”NH

INLINE EDUCTOR 225 l/min at 11 bar 1.5” BSP

INLINE EDUCTOR 450 l/min @ 11 bar 1.5” BSP

INLINE EDUCTOR 225 l/min @ 10 bar 2.0” BSP

INLINE EDUCTOR 450 l/min at 10 bar 2.0” BSP

INLINE EDUCTOR 450 l/min at 10 bar 2.5” BSP

The eductor proportioning rate ranges from 1/4%,1/2%, 1%, 3%, to 6%.

TFT’s 125 Series eductors can be used with 1/4% or 1/2% class A foam concentrates for wildland, rural and urban ﬁ re suppression on

Class A fuels (wood, paper, combustible materials). On Class A materials, the eductors are intended to be used for direct extinguishment,

overhaul, and wetting of fuels. Some foam concentrates are corrosive, we recommend using only Class A concentrates that have

received USDA and USFS approval.

On class B materials, the eductors are primarily intended for vapor suppression or extinguishment. They can be used with high

viscosity 1%, 3%, 6%, 3x3% and 3x6% Alcohol Resistant Class B concentrates on ﬂ ammable liquids containing polar solvents.

The eductor can also be used with plain AFFF concentrates rated at 1%, 3%, or 6%, with various freeze protected foams, and with

FFFP foam types. These foams generally have a lower viscosity than the calibration viscosity of the TFT eductor and will be inducted

faster than expected resulting in stronger concentrations. While this does not degrade foam quality, it does reduce the operating time

for a given foam supply.

Standard inlet operating pressure is 200 psi (13.8 bar) on 125 Series eductors. Custom designs are also available with inlet operating

pressures of 160 psi (11 bar) and 145 psi (10 bar).

3.1 PART IDENTIFICATION

PROPORTIONING INDICATOR

36" LONG 1" ID CLEAR HOSE

(Not to Scale)

20" LONG 1" OD WAND

(Not to Scale)

EDUCTOR BODY EXIT

METERING HEAD

RETRACT THE LOCKER RING

TO UNLOCK.

RELEASE THE LOCKER RING

TO ENGAGE.

TURN KNOB TO SET

PROPORTIONING RATE.

PUSH BUTTON TO

BACK FLUSH.

CHECK DISK

Fig 3.1

©Copyright Task Force Tips, Inc. 2004 - 2017 LIU-330 November 16, 2017 Rev08

3.1 PART IDENTIFICATION cont.

The eductor can be split into two parts by grasping the locking ring and retracting it fully to separate the metering head from the

eductor body. All the foam passageways can easily be inspected. The foam passageway into the eductor contains a free-ﬂ oating

check disk with three ﬁ ns. The check disk is pressure activated to keep water from coming out of the ﬁ re hose and back into the

foam pail.

The metering head contains a red back ﬂ ush button that can be depressed to open the check disk.

The metering head also has a large proportioning knob that can be rotated to align a ball valve to six diﬀ erent detent positions:

Oﬀ , 1/4%, 1/2%, 1%, 3% & 6%. Each foam setting has a precision sized metering oriﬁ ce in the valve ball. The eductor cannot be

operated between settings, as the metering oriﬁ ces will not line up properly. The setting on the proportioning knob lines up with the

white indicator ball.

The eductor body is equipped with two 5/16-18, 3/4” deep mounting holes with set screw plugs. To mount the unit, remove the set

screws and attach to the desired location using bolts with enough length to provide at least 1/2” engagement with the unit.

3.2 GENERAL OPERATING INSTRUCTION

1) Choose the right foam concentrate (see section 4)

2) Lay the right hose (see section 5)

3) Connect the right nozzle (see section 6)

4) Charge the hose and open the nozzle fully to establish the water ﬂ ow.

5) Adjust the pump pressure so the eductor inlet is set at its rated pressure of 200 PSI (13.8 bar), 160 PSI (11 bar) or 145 PSI (10 bar).

6) Put the wand in the bucket and rotate the percentage knob to the desired concentration.

3.3 CLEANING INSTRUCTIONS

After use take the wand out of the bucket and turn down the pump pressure below 75 PSI (5 bar). Shut oﬀ the nozzle. Restrain the

wand and expect a rapid discharge of water especially at 6% setting. Push the red ﬂ ush button and run fresh water through the wand

and metering head on each setting until there is no visible foam in the ﬂ ush water.

Retract the lock ring to remove the metering head. Turn oﬀ the water supply and remove the eductor from the hose so that any

remaining foam residue can be washed from the wand, metering head, and eductor.

CAUTION Do not back ﬂ ush above 75 psi (5 bar). Rapid back ﬂ ush discharge from the wand could cause

injury. The back ﬂ ush push button is pressure activated and must not be forced at pressures over

75 psi (5 bar).

4.0 FOAM SELECTION

Actual foam concentrations vary with changes in water ﬂ ow, foam concentrate temperature and viscosity. The user must verify that

the concentrate’s performance is suitable for use in their application. In all cases, the manufacturer’s recommendations must be

followed.

CAUTION Class A foam concentrates are generally less viscous than Class B foam concentrates. Using

1% Class B foam percentage setting to educt Class A foam, may cause the actual Class A foam

percentage to be more than 1%.

©Copyright Task Force Tips, Inc. 2004 - 2017 LIU-330 November 16, 2017 Rev08

4.1 CLASS A FOAM

SOLID FUEL - CLASS A

CLASS A FOAM

Recommended using Class A foam that meets USDA Forest Service “Interim Requirements for Foam for Wildland Fires,

Aircraft or Ground Application” or NFPA 298 “Foam Chemicals for Wildland Fire Control.”

MOP UP & OVERHAUL

OPERATIONS

WILDLAND &

EXPOSURE PROTECTION

Apply as needed for penetration, isolation,

cooling, and smothering.

Apply with low expansion nozzle for: straight stream nozzle

- soaking and penetration of fuel low expansion nozzle

- greater stream reach piercing nozzle

Apply with medium expansion nozzle for: medium expansion nozzle

- greater coverage

- longer lasting

- insulating

4.2 CLASS B FOAM

LIQUID FUEL - CLASS B

HYDROCARBONS

Fuels that are mostly distilled from crude oil or

vegetable matter. Will not mix with water.

POLAR SOLVENTS

A ﬂ ammable liquid that mixes with water.

Examples are alcohol’s, amines, ethers, esters,

aldehydes, and ketones. In ﬁ reﬁ ghting, any

ﬂ ammable liquid which destroys regular foam is

generally referred to as a polar solvent.

AFFF (Aqueous Film Forming Foam)

AR (Alcohol Resistant Foam) AR (Alcohol Resistant Foam)

UNIGNITED UNIGNITED

May apply at less than rates for

ignited. Be capable of increasing

to ignited rates if needed.

Application rates:

Use foam manufacturer’s

recommendations for

handheld nozzles.

Apply with

MEDIUM EXPANSION NOZZLE

for vapor suppression

Apply with

MEDIUM EXPANSION NOZZLE

for vapor suppression

©Copyright Task Force Tips, Inc. 2004 - 2017 LIU-330 November 16, 2017 Rev08

4.3 FOAM COMPATIBILITY

CAUTION Do not mix diﬀ erent types of foam concentrates or foams of the same type from diﬀ erent

manufacturers. Mixing of foam concentrates can cause the contents of the foam tank to gel and

produce unpredictable results. Clean tank and foam passages thoroughly when changing foam

types.

Medium Expansion Nozzle — produces the greatest expansion ratios. It should be used on Class B fuels for vapor suppression and

Class A fuels when a longer lasting insulating layer of drier foam is desired.

Low Expansion Nozzle — can be used with either Class A or B foam solutions. Reach is slightly less than the smooth bore. It should

be used on Class B ﬁ res for extinguishment and Class A fuels to soak the fuel with a wet foam solution.

Straight Stream Nozzle — is for Class A foam solutions. Foam expansion will be negligible. It should be used where maximum reach

or penetration is desired.

4.4 FOAM CONSUMPTION

The following tables indicate the theoretical foam concentrate ﬂ ow rate and the time it will take to empty a 5 gallon (18.9 liters)

container of various concentrates with eductors of diﬀ erent ratings.

60 GPM (225 l/min) Eductor

Setting Foam

Class

Time To Empty

5 G (18.9 L)

Foam Flow

Rate

1/4% A 33 min 20 sec 0.15 gpm

0.57 l/min

1/2% A 16 min 40 sec 0.3 gpm

1.14 l/min

1% B 8 min 20 sec 0.6 gpm

2.27 l/min

3% B 2 min 47 sec 1.8 gpm

6.81 l/min

6% B 1 min 23 sec 3.6 gpm

13.62 l/min

95 GPM (360 l/min) Eductor

Setting Foam

Class

Time To Empty

5 G (18.9 L)

Foam Flow

Rate

1/4% A 20 min 50 sec 0.24 gpm

0.9 l/min

1/2% A 10 min 25 sec 0.5 gpm

1.89 l/min

1% B 5 min 16 sec 1.0 gpm

3.78 l/min

3% B 1 min 45 sec 2.9 gpm

10.97 l/min

6% B 53 sec 5.7 gpm

21.57 l/min

120 GPM (450 l/min) Eductor

Setting Foam

Class

Time To Empty

5 G (18.9 L)

Foam Flow

Rate

1/4% A 16 min 40 sec 0.29 gpm

1.09 l/min

1/2% A 8 min 20 sec 0.58 gpm

2.18 l/min

1% B 4 min 10 sec 1.25 gpm

4.72 l/min

3% B 1 min 23 sec 3.65 gpm

13.8 l/min

6% B 42 sec 7.2 gpm

27.25 l/min

125 GPM (475 l/min) Eductor

Setting Foam

Class

Time To Empty

5 Gallons

Foam Flow

Rate

1/4% A 16 min 0.3 gpm

1.14 l/min

1/2% A 8 min 0.6 gpm

2.27 l/min

1% B 4 min 1.3 gpm

4.92 l/min

3% B 1 min 20 sec 3.8 gpm

14.38 l/min

6% B 40 sec 7.5 gpm

28.38 l/min

1. The class A foam used for calibration is the “Knock Down” from

National Foam. The calibration viscosity is 20 Centipoise.

2. The class B foam used for calibration is the “Universal Plus 3%

/6% Alcohol Resistant Aqueous Film Forming Foam” (AR-AFFF)

from National Foam. The calibration viscosity is 2892 centipoise

tested with Brookﬁ eld #3 Spindle @ 30 rpm.

3. TFT’s eductors were calibrated with 1 ¾” Conquest Hose.

UE-060-NF calibration hose length is 300 ft.

UE-095-NF calibration hose length is 250 ft.

UE-125-NF calibration hose length is 150 ft.

Actual calibrated rate for each setting and the

foam concentrate used for calibration

SETTING ACTUAL RATE FOAM

CLASS

UL-162

TOLERANCE

1/4% 0.287% A .25 - .325%

1/2% 0.575% A .5 - .65%%

1% 1.15% B 1 - 1.3%

3% 3.45% B 3 - 3.9%

6% 6.5% B 6 - 7.8%

©Copyright Task Force Tips, Inc. 2004 - 2017 LIU-330 November 16, 2017 Rev08

The following table shows the reference friction loss based on typical USA water ﬂ ow/hose length/size. To calculate the back pressure,

add the nozzle pressure, hose friction loss, and elevation pressure loss together, and make sure the sum does not exceed 130 psi

(9 bar).

Eductor

Rating

Hose Size

Inch

3% - 6% Solution Up to 1% Solution

100 psi Nozzle 75 psi Nozzle 100 psi Nozzle 75 psi Nozzle

Maximum

Hose Lay Ft

Elevation

Maximum

Hose Lay Ft

Elevation

Maximum

Hose Lay Ft

Elevation

Maximum

Hose Lay Ft

Elevation

60 GPM

200 PSI

1.5 300 10 600 10 450 10 800 10

100 50 400 50 250 50 600 50

— — 150 100 — — 300 100

1.75 450 10 900 10 700 10 1200 10

150 50 600 50 400 50 900 50

— — 250 100 — — 500 100

2950 10 1800 10 1300 10 2000 20

300 50 1200 50 750 50 1200 75

— — 500 100 50 100 750 100

95 GPM

200 PSI

1.5 100 10 200 10 150 10 300 10

— — 150 50 100 50 200 50

——————100100

1.75 200 10 350 10 300 10 450 10

— — 250 50 150 50 350 50

— — 100 100 — — 200 100

2350 10 700 10 500 10 900 10

150 50 500 50 300 50 600 50

— — 150 100 — — 300 100

125 GPM

200 PSI

1.5 60 10 120 10 100 10 150 10

— — 80 50 50 50 100 50

——————50100

1.75 100 10 200 10 150 10 250 10

— — 150 50 100 50 200 50

——————100100

2200 10 400 10 350 10 550 10

100 50 250 50 200 50 400 50

— — 100 100 — — 250 100

Similar charts can be created for eductors of other ratings and/or hoses of diﬀ erent standard lengths and/or sizes. Friction loss will

also vary with the hose design and manufacturer, so it is important to know the characteristics of your hose.

5.0 MAXIMUM HOSE LAY

The maximum hose lay is based on the back pressure. Pushing the foam solution thru the hose and nozzle causes back pressure

on the eductor exit.

• On a 200 psi (13.8 bar) model, if the back pressure is over 130 psi (9 bar) the eductor will not work.

• On a 160 psi (11 bar) model, if the back pressure is over 100 psi (6.9 bar) the eductor will not work.

• On a 145 psi (10 bar) model, if the back pressure is over 95 psi (6.5 bar) the eductor will not work.

Elevation loss adds to the back pressure when the nozzle is higher than the eductor, e.g. 0.4 psi / foot and 0.1 bar / meter in vertical

height elevation loss.

WARNING Do not exceed the allowable back pressure. Excess back pressure causes loss of foam ﬂ ow

resulting in risk of injury or death from an ineﬀ ective stream. Verify that adequate foam ﬂ ow is

established and maintained.

The nominal ﬂ ow of the eductor is the sum of water plus foam concentrate when set at 6%. The eductor should always have its rated

pressure at the inlet. The water ﬂ ow does not change with diﬀ erent percentage settings; however, the inducted foam concentrate will

change when the percentage setting is changed. Therefore, the total ﬂ ow exiting the eductor is lower at 1/4% than at 6%. Longer

hose lengths can be used when proportioning rate is less because less work is needed to move lower total ﬂ ows.

6.0 NOZZLE SELECTION

Eductors work with any nozzle whose gallonage is equal to or larger than eductors’. However, if a larger gallonage nozzle is used,

the reach of nozzle and the proportioning rate of the eductor will be compromised.

Fog-type nozzles have the greatest reach in the straight stream position. The ﬁ nished foam is produced as the stream projects

forward, and the greatest expansion is at the end of the stream. While straight stream gives maximum reach, it can also splash

ﬂ ammable liquids if not carefully applied. The stream impact can be softened by deﬂ ecting the stream oﬀ nearby objects. The stream

can also be trimmed to a 10-15 degree pattern which gives good reach and creates a softer “snow-ﬂ aking” eﬀ ect at the end of the

stream.

The expansion ratio is the amount of ﬁ nished foam produced compared to the volume of foam concentrate/water solution used to

generate the foam. For Example: A 10:1 expansion ratio will produce 950 GPM (3600 l/min) of ﬁ nished foam from a 95 GPM (360

l/min) nozzle. Non-aspirated automatic nozzles can produce expansion ratios of 6-8:1 when measured at the end of the stream. By

maintaining a constant nozzle pressure, automatic nozzles keep the velocity of the stream high. Large amounts of air are pulled into

the stream and mix with the foam concentrate/water solution as the stream leaves the nozzle.

Air-aspirating devices, such as the TFT FOAMJET, allow a wider selection of foam concentrates to be used, and can produce a better

quality of ﬁ nished foam. Air-aspirating attachments will, (1) improve the 1/4 drain time, (2) produce a more uniform bubble structure,

(3) improve the burn back resistance of the ﬁ nished foam, and (4) the foam blanket is visibly thicker. This thicker foam blanket has

better vapor suppression and is longer lasting than foam from non-aspirated nozzles. The ﬁ nal expansion ratio and, therefore, the

amount of ﬁ nished foam, depends on the type of foam concentrate being used.

WARNING The nozzle must be operated fully open to prevent excessive back pressure which will prevent

foam pickup. Lack of foam can result in injury or death.

The following tables list the compatibility between eductors and nozzles. NOTE: A 75 psi (5 bar) nozzle will result in lower nozzle

pressure and shorter stream reach.

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