©Copyright Task Force Tips, LLC 2002 - 2018
LIA-200 March 20, 2018 Rev19
10
5.6 SUCTION SCREEN
This device may be equipped with a suction screen to catch debris larger than 3/8” diameter in the waterway. See chart to determine
additional loss caused by the screen. To add or replace a suction screen, order TFT part #A1410-KIT for the 4.5” waterway, and TFT
part #A1411-KIT for the 5.0” waterway.
0
5
10
15
20
25
30
35
FLOW (GPM)
LO
SS
(PSI)
0
0.5
1
1.5
2
FLOW (LPM)
LOSS (BAR)
4.5" Waterway
5.0" Waterway
0
1000
2000
3000
4000
5000
6000
7000
0
1000
200
400
600
800
1200
1400
1600
1800
2000
Figure 5.6
Pressure Loss With Suction Screen
5.7 PRESSURE LOSS
FLOW (GPM)
INTAKE VALVE PRESSURE LOSS
0
5
10
15
20
25
30
35
40
0
500
1000
1500
2000
2500
PRESSURE LOSS (PSI)
TFT BIV with
5" COUPLING
11 PSI AT 2000 GPM
TFT BIV with
4" COUPLING
33 PSI AT 2000 GPM
TFT JUMBO BIV
With 5” Coupling
5 PSI AT 2000 GPM
TFT JUMBO BIV
With 6” Coupling
3 PSI AT 2000 GPM
Figure 5.7
Intake Valve Pressure Loss
