Height

68 in

Type

Galvanized Steel Blade

Seal Type

Neoprene

Blade Configuration

Opposed

Shape

Rectangular

Width

48 in

Leakage Rating

Class 3

Frame Material

Galvanized Steel

Frame Gauge

0.125 Guage

Linkage

Concealed

Jamb Seals

Flexible Steel

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 1.5) galvanized steel channel top and bottom frame on dampers under 13″ (330) high.

Blades: Maximum 8″ (203) wide, 16 (1.6) gage galvanized steel triple-vee type. Parallel or opposed action.

Seals: Blade seal is polyurethane foam. Jamb seal is flexible metal, compression type.

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, concealed linkage – 5″w x 10″h (127 x 254).

Temperature Limits: -25°F (-32°C) minimum and +180°F (+83°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

• 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