2. the suction pipe to channel incoming voltage enough. Channel pressure (Inlet) is reduced due to inhibition of the strength of the water, ran through a narrow aperture, so that the ratio of mixing the foam from the other side with a pressure higher than the inflow pipe before it comes with mix water with foam. Pressure, which is losing direct access channels at 40% on average, but at the same time, vacuum hose, it must serve to send the ingredients. The foam through the exit (Outlet) to the nozzle (Nuzzle) with direct voltage, so although the entrance is down, but it must be in a level sufficient to make the mixture foams through out. (Outlet) that most manufacturers require that the pressure at the entrance must be 180-200 PSI level address.However, the vacuum tube, most foam mix can also be sent out to the nozzle pressure is reduced, but the mixture foams from a lower voltage will cause cannot be calculated if the foam spraying out ingredients flow (GPM) at มอัตรา. Affect the operational tactics, of course, the GPM in use at a time.
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