| FRAME: |
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. |
FRAME: |
Structural
channel, angle or special dimensions formed channel in any
weldable material. We can provide any dimensions for your special
retrofit application. |
| VANES: |
Carbon
steel, double thick air-foil vanes, welded to through shaft. (LSI)
single thick plate (LRI) |
VANES: |
Stainless,
corrosion and abrasion resistant materials. |
| SHAFTS: |
C-1018
CRS continuous through shaft. Shaft ends are marked to indicate
vane position. |
BEARINGS: |
High
temperature carbon sleeve bearings. (Stainless steel shafts are
recommended when using these bearings.) |
| BEARINGS: |
Ball
bearings mounted outboard on stand-offs, over adjustable packing
glands. |
SHAFTS: |
Stainless
steel continuous or stub shafts. |
| GLANDS: |
Adjustable
plate & follower design with fiberglass rope packing. |
GLANDS: |
Ceramic
rope packing or any other commercially available packing material. |
| LINKAGE: |
Heavy
duty, non-adjustable, bar linkage mounted outboard with a bronze
bushing and shoulder bolt connection at each pivot point. Parallel
or opposed action. |
LINKAGE: |
Adjustable
linkage with threaded rod and pipe linkage bars and rod end
bearings. |
| SEALS: |
No
internal vane seals provided. Swing clearance between vanes and
frame for approximately 90% shut-off. |
SEALS: |
Optional
seals for up to 99% shut-off available. Zero leakage, purge air
double louver is available. |
| PAINT: |
Damper
is hand cleaned and painted one shop coat of our standard
industrial primer. |
PAINT: |
Special
surface preparation and coatings are available. |
| OPERATOR: |
None.
Extended operator shaft is provided for customer use. |
OPERATOR: |
Wide
range of manual, electric, pneumatic and hydraulic operators with
options for modulating, fail safe, switches, etc. |
MISCELLANEOUS
OPTIONS:
- 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.
|
