Large lightweight fine dust collection and exhaust system with an air volume of 56m³ M4193LFE-56A
Large lightweight fine dust collection and exhaust system (with HEPA filter, suitable for asbestos removal) air volume 56m³/min.
Fully welded aluminum body to thoroughly prevent leaks! High airflow model of 56m³/min.
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basic information
■Specifications Model Number: M4193LFE-56A Dimensions: 837 (Height) × 690 (Width) × 1092 (Depth) Weight: Approximately 57kg Maximum Airflow: 56m³/min Duct Diameter: 300φ
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Applications/Examples of results
<1> Install a measurement hole approximately 150 cm (5 times the diameter of the connection port) from the connection port of the vinyl duct connected to the dust collection and exhaust system. Consider the exhaust air velocity and capture the exhaust in the duct directly or through conductive silicone tubing, then connect a particle counter. The intake side should be installed about 25 cm away from the center of the HEPA filter surface. <2> Measure the number of dust particles of 0.3 μm using the particle counter on the intake side of the dust collection and exhaust system for one minute. Operate the dust collection and exhaust system and measure the number of dust particles of 0.3 μm using the particle counter on the exhaust side for one minute. Perform five measurements and calculate the average value for each, then determine the collection efficiency for 0.3 μm using the following formula: Collection efficiency of the dust collection and exhaust system (%) = (intake side count - exhaust side count / intake side count) × 100 <3> If the collection efficiency value falls below the HEPA filter's collection efficiency of 99.97%, recheck the records of the leakage test for the main unit and confirm that the installation of the HEPA filter has been properly completed. <4> If measuring with one particle counter, promptly measure the exhaust side after measuring the intake side to determine the collection efficiency.
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