Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Azbil Corp
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Azbil Corp
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Publication date
Application filed by Azbil CorpfiledCriticalAzbil Corp
Priority to JP8800375ApriorityCriticalpatent/JPS5212748A/en
Publication of JPS5212748ApublicationCriticalpatent/JPS5212748A/en
PURPOSE: A damper controlling opparatus, used as a volume damper, to quickly act as a disaster-preventing damper such as smoke prevention or smoke exhausting, etc. during unsual occurrence such as fire, etc. and to adjust the opening angle during normal time to provide desired duct air flow rate.