A line of PVC and CPVC duct dampers offered in butterfly, gravity, and blast gate types for fume removal applications is available. The backdraft dampers come in three flow control types: butterfly ...
Greenheck’s EM-30 Backdraft Damper series was recently AMCA Licensed for Air Leakage and Air Performance. Designed to open by air pressure differential and close by gravity, backdraft dampers can be ...
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