AMF-Vulcan™ Butterfly Dampers

o Advantages

• Fast Operating Speeds
• No Outside Structural Support space required
• Low or No Leakage to Atmosphere
• Drive & Linkage readily accessible

o Disadvantages

• 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

AMF-Vulcan™ Butterfly Dampers are used primarily for isolation service.