Application Data
Damper Sideplate and Sleeve Dimensional Data
The drawings below illustrate the factory standard sideplate and sleeve mountings for the
If space constraints are a problem the "A" dimension can be varied between 5 3⁄8 in. (136mm) and 12 in. (305mm).
Sideplate
6 in.
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| "A" Dimension |
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in. (mm) | Sleeve |
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| Standard |
| Maximum |
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All Dampers* | 7 3/16 (183) |
| 12 (305) |
| 6 3/16 (157) |
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When height is | 11 3/16 |
| 12 |
| 10 3/16 |
11 in. (279) or | (284) |
| (305) |
| (259) |
less with OCI |
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*With the exception of dampers 11 in. (279mm) high or less (12 in. (305mm)high or less if width is greater than 64 in. (1625mm)) with OCI option.
Sleeve |
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| 11/2" max. | ||
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33/4"
Varies | 53/8" |
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A
5 in.
12 in.**
**On dampers 11 in. (279mm) high or less (12 in. (305mm)high or less if width is greater than 64 in. (1625mm)) with OCI option, sideplate is 16 in.
(406mm)
A 
5" 
Sleeve Length
S 
T* | Space Envelopes Required for |
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| Actuators and Accessories |
Externally mounted actuators always require space outside of the damper sideplate or sleeve. The “S” dimension illustrates the clearance required for various available actuators.
On dampers less than 18 in. (457mm) high, actuators may also require clearances above and/or below the sideplate or sleeve. “B” and “T” dimensions are worst case clearance requirements for some dampers less than 18 in. (457mm) high. All damper sizes under 18 in. (457mm) high do not require these worst case clearances. If space availability above or below the damper sleeve is limited, each damper size should be individually evaluated.
B*
Actuator Type/Model | B* | T* | S | |
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With OCI | With OCI | |||
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| Pneumatic |
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2 1/2 in. (64mm) | 5 1/4 in. (133mm) | 6 in. (152m) | ||
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* For dampers 18 in.(457mm) or more in height these dimensions are 0 in.
1 Note: This actuator requires field calibration for the zero and span setting.
