AMF-Vulcan™ Louver Dampers

AMF-Vulcan™ Louver Dampers are used for either isolation or modulating service (Drives available for Parallel or Opposed Blade Operation).

o Advantages

o Disadvantages

• Good Modulation and Control Characteristics (Opposed Operation)
• Fast Operating Speeds
• No Outside Structural Support space required
• Low or No Leakage to Atmosphere
• Drive & Linkage readily accessible

• Large Leakage Path
• Higher Pressure Drop
• Large Face to Face required if blades cannot protrude beyond the flanges in the opened position.
• Sealing Capabilities may be diminished in dirty applications
• More Moving Parts and thus increased Maintenance