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- MANUAL DAMPER (Isolation Type) Isolation TypeThis type is used for two position such as Full Open and Full Close Function. BY/RBYGenerally Leakage Class Ⅲ or Ⅳ is required for this damper in accordance with ASME AG-1.
- CONTROL DAMPER (Isolation Type) (On-Off Function) When damper being closed, normally a certain air leakage class should be required based for this damper in accordance with ASME AG-1.