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©Copyright Task Force Tips LLC 2004-2020
LIY-050 August 17, 2020 Rev14
21
6.0 FLOW CHARACTERISTICS
6.1 YST-4NN STACKED TIPS FLOW AND REACH
3.5
-6
N
H
Remove cap and install
smaller tips if desired.
Such as Model #MST-4NJ
(1-3/8", 1-1/2", 1-3/4", 2")
Integral Stream 2-3/4" 2-1/2" 2-1/4" 2" Protective Cap
Straightener
Figure 6.1A
Stacked Tip Model YST-4NN
0
2
12
10
8
6
4
PRES
SURE (BAR)
0
20
40
60
80
100
120
140
160
180
200
0
200
400
600
800
1000
1200
1400
1600
1800
2000
FLOW (GPM)
2" TIP
2 3/4" TIP
2 1/2" TIP
2 1/4" TIP
STACK TIP PERFORMANCE
(PRESSURE IS NOZZLE EXIT PITOT PRESSURE)
PRESSURE (PSI)
0
1000
2000
3000
4000
5000
6000
7000
(LPM)
Figure 6.1B
YST-4NN Flow Graph
NOZZLE INLET PRESSURE
Nozzle
Diameter
(inches)
50 PSI
60 PSI
80 PSI
100 PSI
FLOW
(GPM)
REACTION
(LBS)
FLOW
(GPM)
REACTION
(LBS)
FLOW
(GPM)
REACTION
(LBS)
FLOW
(GPM)
REACTION
(LBS)
2.0
840
310
920
380
1060
500
1190
630
2.25
1080
400
1170
480
1350
640
1500
790
2.5
1310
490
1440
590
1660
980
1860
980
2.75
1590
590
1740
710
2010
950
—
—
NOZZLE INLET PRESSURE
Nozzle
Diameter
(mm)
3.5 BAR
4.1 BAR
5.5 BAR
7 BAR
FLOW
(l/min)
REACTION
(KG)
FLOW
(l/min)
REACTION
(KG)
FLOW
(l/min)
REACTION
(KG)
FLOW
(l/min)
REACTION
(KG)
50
3180
140
3480
170
4010
230
4500
290
57
4010
180
4430
220
5110
290
5680
360
64
4960
220
5450
270
6480
360
7040
450
70
6020
270
6590
320
7610
430
—
—
—
FLOW EXCEEDS RATING OF TYPHOON MONITOR
Table 6.1
YST-4NN Flow and Reaction Force