The door only needs to be pushed by hand until the rubber roller enters the hook. The door damper does the rest and pulls it completely shut.
Door dampers - DICTATOR Canada
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Door dampers - DICTATOR Canada
Door closing solutions references overview DICTATOR
Door closing solutions references overview DICTATOR
Door dampers - The original from DICTATOR – since 1932
Door Closer Davenport Lift Control
Door dampers - DICTATOR Canada
Door Closer Davenport Lift Control
U.S. Senate: Senate Session, December 13, 2023 09:59:49
Solution for slamming doors, Door damper V 1600
Door damper ensures securely closed cold storage room - Dictator
Door Closer Davenport Lift Control