This suction technology was realized for Contimade company which making the prefabricated halls and containers. We suggested spatial suction solutions for hall where they had hand-operated welding producion. The whole system consisted from filtration device which has suction volume 49000 m3/h and recuperator about air flow 8000 m3/h. During the proposal preparation we had to solve additional flow fresh air from outdoor because there were necessary to obey hygienics laws.
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