Description
Technical Notes
Height
56 in
Type
Galvanized Steel Blade
Seal Type
None
Blade Configuration
Opposed
Shape
Rectangular
Width
72 in
Leakage Rating
Class 1
Frame Material
Galvanized Steel
Frame Gauge
16 Gauge Galvanized
Linkage
Concealed
Jamb Seals
None
Hat Channel Dimensions
4 x 1 in
Blade Width
6 in
Operator Shaft
6 x 1/2 in
product series specifications
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.
product series features
- Galvanized steel construction with interlocking frame design.
- Minimum size single blade – 5 in W x 5 in H
- Maximum size single section – 48 in W x 72 in H




