CD44-20X68-OB-S
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CD44-20X68-OB-S | Ruskin Manufacturing | Actuators & Dampers

Rectangular Standard Control Damper, Galvanized Steel Frame and Blades with no Blade Seals or Jamb Seals, Leakage Rating: Class 1, Overall Dimensions: Width 20 inches x Height 68 inches, Opposed Blade, Standard Options include: Concealed Linkage, Operator Shaft 6 inches x 1/2 inch, 4 inches x 1 inch Hat Channel Dimensions, 6 inch Blade Width

Brand:Ruskin Manufacturing

MPN:CD44-20X68-OB-S

SKU:CD44-20X68-OB-S

List Price:

$829.00

Today's Price:

$431.08



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product specifications

Type

Galvanized Steel Blade

Width

20 in

Height

68 in

Shape

Rectangular

Leakage Rating

Class 1

Seal Type

None

Blade Configuration

Opposed

Frame Material

Galvanized Steel

Frame Gauge

16 Gauge Galvanized

Linkage

Concealed

Jamb Seals

None

Operator Shaft

6 x 1/2 in

Hat Channel Dimensions

4 x 1 in

Blade Width

6 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

more information & related documents

Series Description

Galvanized Steel, rectangular, class 1 leakage, no blade or jamb seals. Max system velocity, 1500 fpm. Parallel or Opposed blades.

Kele Description

REC CONTROL DAMPER, STL BLADE/FRAME, LEAKAGE CLASS1, W20IN X H68IN, OPPOSED, NO SEALS

Manufacturer

Ruskin Manufacturing

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