Industrial Formed Steel Airfoil Control Damper

Stuffing boxes and replaceable packing
Jamb Seals – Stainless steel
Blade Edge Seals – Stainless steel
Flanges other than the standard 2” wide
Finishes – Acrylic, baked enamel, etc.
Perimeter holes: one flange or two flanges
Other types of bearings
Materials – Full stainless steel construction, extruded aluminum, galvanized steel, etc.

Model:	530 / 531
Minimum Panel Size:	6″ x 6″ (Single Panel) 6″ x 12″ (Opposed Blade)
Maximum Panel Size:	60″ x 96″
Frame Depth:	10″ Deep
Frame Type:	Formed Channel
Frame Material:	10 ga. Galvanized Steel
Blade Type:	Airfoil
Blade Material:	12 ga. for < 48″ Wide 10 ga. for 48″ to 60″
Blade Action:	Parallel or Opposed
Shafts:	¾” and 1″ Diameter Corrosion Resistant Plated Cold Finished Steel
Bearings:	Stainless Steel Flanged Sleeve, Bolted to Frame
Linkage:	½” Diameter Interconnecting Rod with Trunnion Pivot Fastener In-Jamb
Actuator:	Manual Hand Quadrant Lever Arm for Motor Actuator Electric or Pnuematic
Finish:	Mill
Maximum Temperature:	450°F
Max Static Pressure:	20″ W.G.

*Dampers smaller than minimum frame size require transitions.

Description

FRAME: 2” x 10” x 2”, 12 GA. galvanized steel formed channel frame.
BLADE: 16 GA. galvanized steel, airfoil design, to a maximum 48” length. 12 GA. galvanized steel, airfoil design, to a maximum 60” length.
SHAFT: ¾” dia. plated cold-finished steel, corrosion resistant, up to 60” in length.
BEARINGS: Stainless steel flanged sleeve, bolted to the frame.
LINKAGE: ½” dia. inter-connecting rod with trunnion pivot fasteners, located in jamb.
OPERATOR: Manual hand quadrant or lever arm for motor actuator. Specify type when ordering.
FINISH: Mill.
TEMP. LIMIT: 450°F Consult the factory for temperature limits over 450°F