Application Data
Damper Sleeve Dimensional Data
The drawings below and corresponding table show the position of the
The standard location of a damper mounted in a factory sleeve ("A" dimension) is shown below. The damper can be positioned at other locations within a range of 6 in. (152mm) to 12 in. (305mm) for the "A" dimension.
11/2 in. max.
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| 33/4 in. |
| 6 in. | Varies |
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| 53/8 in. |
LH | RH |
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| Right hand drive is shown | A | 5 in. |
| Left hand drive available upon request |
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Sleeve Length
in. (mm) | "A" Dimension | ||
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Standard | Maximum | ||
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All Dampers* | 7 3/16 (183) | 12 (305) | |
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When H is 11 in. (279mm) or | 12 (305) | 12 (305) | |
less with OCI, RRL, or TOR |
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*With the exception of dampers 10 in. high (254mm) or less.
NOTE: Entire damper frame is not required to be installed within the wall. The damper blades, when closed should be contained within the wall.
Actuators and Accessories
Space Envelopes
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| T* | Externally mounted actuators always require space outside | ||
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| of the damper sleeve. The “S” dimension illustrates the | |
S |
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| clearance required for various available actuators. |
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On dampers less than 18 in. (457mm) high, actuators may also require clearances above and/or below the 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*
| B* | T* |
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Actuator Type/Model |
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| S |
With | With | ||
| RRL, RRL/OCI, or TOR | RRL, RRL/OCI, or TOR |
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| 120 Volt AC |
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5¼ in. (133mm) | ¾ in.(19mm) | 6 in. (152mm) | |
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6 in. (152mm) | 3/8 in. (10mm) | 6 in. (152mm) | |
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6 in. (152mm) | 3/8 in. (10mm) | 6 in. (152mm) | |
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| 24 Volt AC |
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5¼ in. (133mm) | ¾ in.(19mm) | 6 in. (152mm) | |
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6 in. (152mm) | 6 in. (152mm) | 6 in. (152mm) | |
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6 in. (152mm) | 6 in. (152mm) | 6 in. (152mm) | |
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| Pneumatic (25 psi min.) |
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1 in. (25mm) | 6¼ in. (159mm) | 6½ in. (165mm) | |
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2 3/8 in. (60mm) | 12 1/8 in. (308mm) | 9¼ in. (235mm) | |
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3 3/4 in. (95mm) | 16½ in. (419mm) | 10 in. (254mm) | |
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* For dampers 18 in. (457mm) or more in height these dimensions are 0 in. .