Power Blower Information
The ®Tempest Power Blower is a high
powered, portable blower used for Positive
Pressure Ventilation (PPV), a ventilation
technique that quickly and efficiently replaces
hazardous interior environments.
PPV was pioneered in the fire fighting industry
where fire fighters use the ®Tempest Power
Blower to ventilate smoke, heat, and harmful
gases from buildings. This creates a safer
environment for them to work in and makes it
easier for them to find victims and extinguish
the fire.
Fi
ure 1.
PPV relies on two principles, (1) a cone shaped
air pattern, and (2) pressure. To accomplish
Positive Pressure Ventilation, the blower is
placed on the outside of the structure. It is
positioned so that the cone shaped air pattern
created by the blower completely seals the
entrance opening (Figure 1.3). When this seal
is achieved, the air pressure is increased
equally at all points inside the structure. When
General Information 3.6
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