Louver Dampers
NEWFAB custom Louver Dampers are designed to control gas flow by precise modulation, or completely stopping the flow.

Available in a wide variety of custom-configurations, these dampers feature heavy duty, keyed linkages for increased durability, outboard ball bearings protected from high interior temperatures and permanently lubricating bronze bushings to reduce friction and wear.
Options include:
- Shape (Round / Rectangular)
- Blade Profile (Vertical / Horizontal)
- Blade Function (Parallel / Opposed)
- 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