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©Copyright Task Force Tips LLC 2002-2020

6

LIN-040 November 30, 2020 Rev15

4.0 FLOW CHARACTERISTICS

The opening size of the METRO nozzles is a fixed orifice set by a flow calibration disc.

Special Configurations

 - Nozzles made according to the special marking or performance of a particular fire department may have

characteristics that differ from the published data in this manual. Repair parts specific to each serial number may differ from those shown

in the service procedure.

4.1 METRO 0

Figure 4.1A

Figure 4.1B

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

0

20

40

60

80

100

120

PRESSURE (

P

SI)

FLOW (GPM)

METRO 0 FLOW CHART

20 GPM @ 100 PSI (K=2.0)

40 GPM @ 100 PSI (K=4.0)

60 GPM @ 100 PSI (K=6.0)

100 GPM @ 100 PSI (K=10.0)

20 GPM @ 75 PSI (K=2.3)

40 GPM @ 75 PSI (K=4.6)

60 GPM @ 75 PSI (K=6.9)

FLOW (L/MIN)

PRESSURE (BAR)

0

2

4

6

8

10

0

200

400

REA

C

TI

ON FORCE 

(LBF)

0

10

20

30

40

50

60

70

80

90

0

20

40

60

80

100

120

FLOW (GPM)

METRO 0 FLOW VS. REACTION FORCE

20 GPM @ 100 PSI (K=2.0)

40 GPM @ 100 PSI (K=4.0)

60 GPM @ 100 PSI (K=6.0)

100 GPM @ 100 PSI (K=10.0)

20 GPM @ 75 PSI (K=2.3)

40 GPM @ 75 PSI (K=4.6)

60 GPM @ 75 PSI (K=6.9)

REA

C

TI

ON FORCE 

(KGF)

0

20

40

FLOW (L/MIN)

0

200

400

Summary of Contents for METRO 0 Series

Page 1: ...or firefighting All personnel using this equipment shall have completed a course of education approved by the Authority Having Jurisdiction AHJ This instruction manual is intended to familiarize firef...

Page 2: ...er 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 co...

Page 3: ...significant amounts of water Such damage may be difficult to detect visually Subsequent pressurization can lead to injury or death Any time the equipment is subject to possible damage due to freezing...

Page 4: ...eth on METRO 1 series Easily flushable while flowing to clear trapped debris 3 1 VARIOUS MODELS AND TERMS Fixed Flow A nozzle with a discharge orifice that is a fixed opening size Tip Only A nozzle wi...

Page 5: ...00 psi 21 bar Operating temperature range of fluid 33 to 120 F 1 to 50 C Storage temperature range 40 to 150 F 40 to 65 c Materials used Aluminum 6000 series hard anodized MIL8625 class 3 type 2 stain...

Page 6: ...ice procedure 4 1 METRO 0 Figure 4 1A Figure 4 1B 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 0 20 40 60 80 100 120 PRESSURE PSI FLOW GPM METRO 0 FLOW CHART 20 GPM 100 PSI K 2 0 40 GPM 100 PS...

Page 7: ...150 GPM 50 PSI K 21 2 185 GPM 75 PSI K 21 4 160 GPM 50 PSI K 22 6 200 GPM 75 PSI K 23 1 175 GPM 50 PSI K 24 7 200 GPM 50 PSI K 28 3 185 GPM 50 PSI K 26 2 METRO 1 FLOW CHART METRO 1 FLOW VS REACTION FO...

Page 8: ...00 GPM 75 PSI K 23 1 250 GPM 100 PSI K 25 0 185 GPM 50 PSI K 26 1 250 GPM 75 PSI K 28 9 325 GPM 100 PSI K 32 5 250 GPM 50 PSI K 35 4 METRO 2 FLOW VS REACTION FORCE 0 200 400 600 800 1000 1200 1400 160...

Page 9: ...le 5 1 3 METRO 2 LEVER TYPE FLOW CONTROL BALL VALVE Models with a ball valve are shut off when the valve handle is fully forward Pulling back on the handle opens the valve TFT recommends the use of a...

Page 10: ...g grip on a nozzle while flowing will result in an out of control nozzle Serious injury or death could result Do not attempt to regain control of a nozzle while flowing WARNING When the trigger lock i...

Page 11: ...ss through During flush the nozzle reaction will decrease as the pattern becomes wider and the pressure drops The nozzle operator must be prepared for an increase of nozzle reaction when returning the...

Page 12: ...ents wishing to color code the nozzle to the discharge controls Follow the steps below to change the pistol grip cover 1 Orient nozzle vertically This keeps the dampening fluid in the pistol grip from...

Page 13: ...rge of its obligations under this limited warranty If TFT makes this election claimant shall return the equipment to TFT free and clear of any liens and encumbrances This is a limited warranty The ori...

Page 14: ...AM Then spray a short burst into these areas 1 FRONT PATTERN CONTROL SEAL Spray between the pattern control and the barrel 2 FRONT SLIDER SEAL 7 Rotate the shaper into FLUSH position 8 Spray down the...

Page 15: ...ginal specifications and promptly returned Any returns should include a note as to the nature of the problem and whom to reach in case of questions Repair parts and service procedures are available fo...

Page 16: ...equipped operates smoothly and positively BEFORE BEING PLACED BACK IN SERVICE nozzles must be inspected to this checklist 1 All controls and adjustments are operational 2 Shut off valve if so equippe...

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