Rectangular Volume Control Dampers

D1 Series

The D1 series is an extremely low leakage damper with rugged steel airfoil blades designed to meet the highest standards established. It is intended for application in medium to high pressure and velocity ratings.

SPECIFICATIONS

 

Size Range1

 

Minimum Size

 

One Blade

6 in. wide by 6 in. high

Two Blade

6 in. wide by 10 in. high

Maximum Size

 

Single Section

60 in. wide by 74 in. high

Multiple Section

unlimited

Temperature Rating

180 F (82 C) maximum2

Standard Construction3

 

Blade:

14 gauge galvanized steel,

 

airfoil shaped

Action:

Parallel or Opposed

Frame3:

16 gauge galvanized steel

 

Hat-channel

Bearings3

Synthetic (Acetal)

Linkage3

Steel Side linkage out of

 

airstream (concealed in frame)

Axles3

1/2 in. diameter plated steel

Jamb Seals3

304 Stainless Steel

Blade Edge Seals3

Silicone

1Width and height dimensions furnished 1/4 in. undersized - standard

2Temperature rating can higher with a different

3See table for customized options

FLANGE OPTIONS

STANDARD

SINGLE

SINGLE

DOUBLE

REVERSE

(NO FLANGE)

FLANGE

FLANGE

FLANGE

 

 

 

 

ACTUATOR SIDE FOR INTERNAL MOUNTING

ACTUATOR SIDE FOR INTERNAL MOUNTING

 

M18986

Performance Data

D1 Pressure and Velocity Limits.

Damper Size

Maximum

Maximum

in in.

System Pressure

System Velocity

 

 

 

12 x 12

8.0 in. wg

4000 fpm

24 x 24

8.0 in. wg

4000 fpm

36 x 36

6.3 in. wg

3500 fpm

48 x 48

4.7 in. wg

3000 fpm

60 x 60

2.0 in. wg

2500 fpm

DIMENSIONS DIAGRAM

H

W

M13905

LEAKAGE RATE

WG)

8.5

8.0

7.0

(IN.

6.0

5.0

4.0

DIFFERENCE

3.0

 

2.0

PRESSURE

1.0

0.9

 

0.8

 

0.7

 

0.6

 

0.5

STATIC

0.4

0.3

 

0.2

1

2

3

4

5

6

7 8 910

20

30

40

60

80 100

150

 

 

 

 

 

 

 

 

 

50

 

70

90

 

AIR LEAKAGE (CFM/FT2)

M13906

78

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Image 78
Honeywell MS4103 manual Rectangular Volume Control Dampers, D1 Series, Performance Data D1 Pressure and Velocity Limits