Industrial Control Damper
Single Blade - Round
CD-81R control damper employs a rugged round channel frame and a single round blade for automatic air control and manual balancing in medium to high pressure and velocity applications.
Frame: Galvanized steel channel.
Blades: Galvanized steel.
Axles: Plated steel.
Bearings: Bronze.
Control Shaft: 6" (152) long round drive axle.
Minimum Size:
4" Ø (122 Ø)
Maximum Size:
60" Ø (1524 Ø)
Leakage:
54.0 cfm/ft2 @ 10 in. wg. (0.28 m3/s/m2 @ 2.5 kPa)
50.0 cfm/ft2 @ 8 in. wg. (0.26 m3/s/m2 @ 2.0 kPa)
35.0 cfm/ft2 @ 4 in. wg. (0.18 m3/s/m2 @ 1.0 kPa)
18.0 cfm/ft2 @ 1 in. wg. (0.09 m3/s/m2 @ 0.25 kPa)
Temperature:
-25oF to 250oF (-32oC to 121oC)
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