||Carbon steel formed channel (LSI). Our standard bolt pattern. FTF dimensions selected to keep the vanes within the damper frame in the full open position.
||Structural channel, angle or special dimensions formed channel in any weldable material. We can provide any dimensions for your special retrofit application.
||Carbon steel, double thick air-foil vanes, welded to through shaft. (LSI) single thick plate (LRI)
||Stainless, corrosion and abrasion resistant materials.
||C-1018 CRS continuous through shaft. Shaft ends are marked to indicate vane position.
||High temperature carbon sleeve bearings. (Stainless steel shafts are recommended when using these bearings.)
||Ball bearings mounted outboard on stand-offs, over adjustable packing glands.
||Stainless steel continuous.
||Adjustable plate & follower design with fiberglass rope packing.
||Ceramic rope packing or any other commercially available packing material.
||Heavy duty, non-adjustable, bar linkage mounted outboard with a bronze bushing and shoulder bolt connection at each pivot point. Parallel or opposed action.
||Adjustable linkage with threaded rod and pipe linkage bars and rod end bearings.
||No internal vane seals provided. Swing clearance between vanes and frame for approximately 90% shut-off.
||Optional seals for up to 99% shut-off available.
||Damper is hand cleaned and painted one shop coat of our standard industrial primer.
||Special surface preparation and coatings are available.
||None. Extended operator shaft is provided for customer use.
||Wide range of manual, electric, pneumatic and hydraulic operators with options for modulating, fail safe, switches, etc.
- Mounting of customer supplied operator and accessories.
- Inlet screens, mating flanges, special duct sections. (tees, transitions, weather hoods, etc.)
- Castable refractory linings, heat shields, position indicating switches, slave linkages.