ZBBD25 | Ruskin Manufacturing | Actuators & Dampers

Frame: 5" x 1" x 16 gage (127 x 25 x 1.6) galvanized steel hat channel reinforced with corner braces for structural strength equal to 13 gage (2.28) channel frames. Low profile 3 1/2" x 3/8" x 16 gage (89 x 10 x 1.6) galvanized steel channel top and bottom frame on dampers under 13" (330) high.

Blades: 6" (152) wide, 16 (1.6) gage galvanized steel blades approximately 6" (152) on center. Parallel or opposed action.

Bearings: Synthetic.

Linkage: Concealed in frame.

Axles: 1/2" (13) plated steel hex.

Control Shaft: 6" (152) x 1/2" (13) diameter. Outboard support bearing supplied with all single section dampers for field mounted actuators. Factory installed jackshaft supplied with all multiple section dampers.

Finish: Mill.

Maximum Size:

Single section – 48"w x 72"h (1219 x 1829).

Multiple section assembly – Unlimited size.

Minimum Size:

Single blade – 5"w x 5"h (127 x 127).

Two blades, parallel or opposed action, exposed linkage – 8"w x 14"h (203 x 356).

Two blades, parallel or opposed action, concealed linkage – 5"w x 8"h (127 x 203).

Temperature Limits: -40°F (-40°C) minimum and +240°F (+116°C) maximum.

Maximum section width varies with static pressure. Consult Ruskin if application involves pressures in excess of 2.5 inches w.g. or air velocities in excess of 2000 fpm.

Note: Dimensions shown in parenthesis ( ) indicate millimeters.