Industrial Formed Steel Airfoil Hi-Temperature Control Damper

Model:	540
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. Hot Rolled Steel
Blade Type:	Airfoil
Blade Material:	10 ga. ; 6″ to 9¾” Wide
Blade Action:	Parallel or Opposed
Shafts:	1″ Diameter Cold Finished Steel
Bearings:	Ball bearings Mounted on Stand-off Bracket with Stuffing Box and Replaceable Packing
Linkage:	½ Diameter Interconnecting Rod with Trunnion Pivot Fastener In-Jamb
Actuator:	Manual Hand Quadrant Lever Arm for Motor Actuator Electric or Pnuematic
Finish:	Hi-Temp Aluminm Paint
Maximum Temperature:	800°F
Max Static Pressure:	15″ W.G.

*Dampers smaller than minimum frame size require transitions

Description

FRAME: 2” x 10” x 2”, 10 GA. hot rolled steel formed channel frame.
BLADE: 10 GA. hot rolled steel, airfoil design, to a maximum 60” length.
SHAFT: 1” dia. plated cold-finished steel, corrosion resistant, for up to 48” in length. 1” dia. for up to 60” 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: 800°F Consult the factory for temperature limits over 800°F.