Task Force Tips MASTER FOAM Instructions For Safe Operation And Maintenance page 7

Note: In any eductor type system the accuracy of proportioning depends on the viscosity of the foam
concentrate. The orifice plates for the
PERCENT
0.5% and 1%
2.5.3 CONCENTRATE HOSE CONNECTION
The concentrate hose is attached to the
Standard: MS 27019). Orient levers to avoid interference with the stream shaper and push the fitting onto the
concentrate inlet on the nozzle. Fold both levers until they touch the hose to lock. The other end of the hose is fed
into a foam container. An optional hose is available with female camlock fittings on each end. Hose connection
and typical set ups are shown in figure 2.5.3a and 2.5.3b.
TASK FORCE TIPS • 800.348.2686 • www.tft.com
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NOMINAL 0.5%
AT 100 PSI
1
0
40 60
NOZZLE INLET PRESSURE (PSI)
Fig 2.5.2b Proportioning Accuracy With Pressure Variation
MASTER FOAM
Class A foam of 20 centipoise viscosity
3% 3M ATC 3 AR-AFFF product code ATC-603
6%
MASTER FOAM
NOMINAL 6%
AT 100 PSI
NOMINAL 3%
AT 100 PSI
NOMINAL 1%
AT 100 PSI
80 100
nozzle have been calibrated at 70 degrees F as follows:
FOAM USED FOR CALIBRATION
3M ATC-AFFF product code FC-600F
nozzle by a 1.5 inch cam lock fitting (Military
120 140 160
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