Butterfly Dampers

NEWFAB Butterfly Dampers are the ideal solution for efficient gas flow shut off and sealing.

Butterfly Damper Drawing

All NEWFAB Butterfly Dampers feature a drive shaft connected directly to the actuator providing improved reliability. Additionally, the bolted blade design and removable actuator bracket provides easy access for either maintenance or replacement of the blades, greatly reducing downtime.

Options include:

  • Shape (Round / Rectangular)
  • Material (Carbon (A36) / Stainless Steel (304L))
  • Seal Type (Standard Metal Seat (5%) / Tadpole (1%))
  • Actuation (Manual (handwheel) / Electric / Pneumatic)
  • Actuator Voltage (120VAC (1ph) / 480V (3ph))
  • Actuator Mode (ON-OFF (open/close) / 4-20mA modulating)

Other Features Include:

  • Outboard ball bearings
  • Bronze linkage bushings
  • Heavy duty linkages with keyed connections
  • Adjustable packing glands
  • Jamb seals

Upgraded Features Include:

  • High temperature graphite bearings
  • Resilient valve seats for tighter seal
  • Refractory linings to prevent heat loss
  • Extreme service alloys including alloy 330, 17-4 PH, Corten, abrasive resistant (AR) steel and many others

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Call Us Today At 207-786-2446 or Contact Us By Email.

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