NON-RETURN DAMPER
type: ClassOfFunctionalObject
has creation date: 2009.03.04
has creator: mvsen
has definition: A gas flow damper that prevents back flow in a duct.
has designation: NON-RETURN DAMPER
has designation altern: BACK FLOW DAMPER
has id PCA: RDS1048796831
has note: In a multi fan installation a non-return damper prevents back draught through the non-operating fans.
has registrar: mvsen
has registrar auth: RDS
has status: Recorded