LEADER has its own test center with an instrumented "test house"
including a dedicated room for measuring flow rates and pressures to standard
AMCA 240-06.
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There are several methods of measuring firefighting fan airflow. Here you will learn which method obtains results that are the most realistic to the conditions found on the fire ground.
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Conventional fans and blowers using the traditional Cone-Of-Air methods of Positive Pressure Ventilation (PPV) – depending on blade size and engine horsepower, loose their air pressure within 4 to 7 feet from the face of the fan.
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There are three PPV tactics: offfensive, defensive and combinated fire ventilation tactics.
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NPV is used in a variety of situations, primarily where conditions and location do not favor natural ventilation or positive-pressure ventilation.
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