APPLICATION
KAC, Round Volume control damper, is designed to provide superior air control with high performance and heavy duty construction.
STANDARD CONSTRUCTION
• FRAME:
-For diameter up to 16" : Constructed from 22 GA galvanized steel grooved frame of length 8”.
-For diameter 18" up to 24" : Constructed from 20 GA galvanized steel grooved frame of length10”
• BLADES:
-For diameter up to 16" : Constructed from 22 GA galvanized steel blade.
-For diameter 18" up to 24" : Constructed from 20 GA galvanized steel blade.
• SEALS:
Rubber Foam blade seal
• BEARINGS:
Bronze bearings
• AXLES:
0.25”(6.35mm) Square zinc plated steel stud for sizes up to 8"
0.47”(12mm) Square zinc plated steel stud starting size 9"
• BRACKET:
- No elevated hand bracket up to size 8"
- 1” (2.5 mm) elevated hand bracket starting size 9"
• MANUAL HAND-QUADRANT:
Zinc hand-quadrant plated for square or round shaft
• FINISH:
Mill galvanized
OPTIONS:
1)BEARINGS
a)Nylon bearings available for elevated bracket only
b)stainless steel bearings available for elevated bracket only
2) FRAME CONSTRUCTION
a) Aluminum or stainless steel frame construction.
b) Various Frame Thickness (Refer to order information)
3) BLADES CONSTRUCTION
a) Aluminum or stainless steel frame construction.
b) Various Frame Thickness (Refer to order information)
4) ACTUATORS:
a) Electric (24,120 & 230V) or pneumatic.
b) Spring return or non-spring return.
c) With or without auxiliary switch.
5) EXTENDED SHAFT:
Without hand quadrant , with 5.5"(140 mm) extended
shaft beyond the air control frame
6) HAND-QUADRANT CONSTRUCTION:
Plastic hand-quadrant
7) HAND BRACKET
a) 2" (50mm) elevated hand bracket.
b) 1" (25mm) elevated hand bracket for sizes up to 8"
8) GROOVING:
Round volume damper can be ordered without grooving
MINIMUM SIZES:
4"(101mm) Diameter
MAXIMUM SIZES:
24"(607mm) Diameter
Notes: for frame thickness 16 GA KAC is supplied without grooving.