Half fixed foam extinguishing device is a new mobile foam extinguishing equipment, also
called mobile foam extinguishing equipment, its operation is simple, reliability quickly. Used
to put out a, b, c class water-insoluble liquid fire.It is widely used in municipal residential
areas,factories and mines enterprises, oil depot, chemical engineering department, heat
treatment workshop, gas stations and other places, mainly made by the foam liquid storage
tanks, spray gun,proportioning mixer, hose, and cart chassis, etc
Half fixed foam extinguishing device in extinguishing the in-line mixer at both ends of the
tube tooth interface with fire hose connection, and connect the pressure water, when there
is water that no less than 0.6 MPa pressure through the nozzle of the proportioning mixer at
high speeds, due to the effect of the spread of the lateral movement of the fluid particle,
proportioner indoor form vacuum (negative pressure), so the foam liquid storage tank inside
the foam liquid under the action of atmospheric pressure through pipettes into the mixer,
mix with pressure water, finally reaches a certain proportion of the mixture.When the mixture
flow with certain pressure to the spray gun, because the performance of the spray gun will
air suction to quantitative.Make foam mixture foam.So as to achieve the effect of the foam
fire fighting.
|
Model |
rated working pressure(Mpa) |
Working pressure(Mpa) |
mixing ratio | bubbling times | range(m) | 25% abosorb liquid time(s) | Spary time(Min) |
| PY8/100 |
0.7 |
0.6-0.8 |
3%-4% Or 6%-7% |
≥4.5 |
≥15 |
≥120 |
≥25 |
| PY8/200 | ≥50 or ≥25 | ||||||
| PY8/300 | ≥75 or ≥37.5 | ||||||
| PY8/400 | ≥100 or ≥50 | ||||||
| PY8/500 | ≥125 or ≥62.5 |
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