JB11 / JB12
Volume Control Damper
130mm Deep • Parallel or Opposed Blade • Volume Control Damper
STANDARD CONSTRUCTION
Frame
Frame Thickness
Blade
Blade Thickness
Blade Seals
Stops
Bearings
Linkage
Finish
: Galvanized steel sleeve
:18Ga Roll-formed
: Galvanized steel
: 22ga Double Skinned airfoil (equivalent to 16ga)
: Elastomeric Foam Edge Seals
: Galvanized steel angle at head and sill
: Heavy Duty molded acteal
: Galvanized steel
: Mill
OPTIONS
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Frame - 1.6mm thick (16 GA)
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Blade Seal - Silicon / Neoprene
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Jamb Seal - Stainless Steel
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Actuators - Manual Quadrants, Electric - 120V, 24V or 230V
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Bearing - OIB, Stainless Steel
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Frame & Blade Material - SS 304 or SS 316
NOTES
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Dampers upto size 300x300mm can be maufactured & supplied without flanges suitable for Drive & Slip duct connections (flat frame construction).
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Dampers may be installed vertically or horizontally, but we do not recommend
installation with the blades in the vertical position
DATA SHEETS
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Installation Instruction
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Supplementry Information