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Application Data
Damper Sideplate and Sleeve Dimensional Data
The drawings below illustrate the factory standard sideplate and sleeve mountings for the SMD-401. The standard "A" dimen-
sions listed in the table provide adequate space for the mounting of actuators and controls.
If space constraints are a problem the "A" dimension can be varied between 5
Sideplate
LH
6 in.
Right hand drive is shown
Left hand drive available upon request
5 in.
A
12 in.**
ML4XXX Series Honeywell
MS4XXX Series Honeywell
MS4120 Series Honeywell
ML8XXX Series Honeywell
MS8XXX Series Honeywell
MS8120 Series Honeywell
331-4551 Siemens
331-2976 Siemens
MK2-7121 Invensys
* For dampers 18 in. (457mm) or more in height these dimensions are 0 in. .
3
3
/
"
4
in. (mm)
6"
All Dampers*
Varies
3
3
/
in.
4
5
3
/
"
8
When height is
11 in. (279) or
RH
less with OCI
A
Varies
Sleeve Length
*With the exception of dampers 11 in. (279mm) high or less (12 in.
3
5
/
in.
8
(305mm)high or less if width is greater than 64 in. (1625mm)) with OCI
option.
** On dampers 11 in. (279mm) high or less (12 in. (305mm)high or less if
A
5 in.
width is greater than 64 in. (1625mm)) with OCI option, sideplate is 16 in.
(406mm)
Sleeve Length
T*
S
B*
Actuator
Type/Model
5 1/4 in. (133mm)
6 in. (152mm)
6 in. (152mm)
5 1/4 in. (133mm)
6 in. (152mm)
6 in. (152mm)
1 in. (25mm)
2 3/8 in. (60mm)
3 3/4 in. (95mm)
1 1 /2" max.
1
/
in. max.
1
2
"A" Dimension
Sleeve
Standard
Maximum
7 3/16 (183)
12 (305)
11 3/16
12
(284)
(305)
5"
LH
Right hand drive is shown
Left hand drive available upon request
Space Envelopes Required for
Actuators and Accessories
Externally mounted actuators always require space
outside of the damper sideplate or sleeve. The "S" dimen-
sion 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 clear-
ance 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 avail-
ability above or below the damper sleeve is limited, each
damper size should be individually evaluated.
B*
With OCI
With OCI
120 Volt AC
3/4 in. (19mm)
3/8 in. (10mm)
3/8 in. (10mm)
24 Volt AC
3/4 in. (19mm)
3/8 in. (10mm)
3/8 in. (10mm)
Pneumatic (psi)
6 1/4 in. (159mm)
12 1/8 in. (308mm)
16 1/2 in. (419mm)
3
⁄
in. (136mm) and 12 in. (305mm).
8
Sleeve
Sideplate
6 3/16 (157)
10 3/16
(259)
6"
Varies
RH
S
T*
S
6 in. (152mm)
6 in. (152mm)
6 in. (152mm)
6 in. (152mm)
6 in. (152mm)
6 in. (152mm)
6 1/2 in. (165mm)
9 1/4 in. (235mm)
10 in. (254mm)
1 1 /2" max.
3
/
"
3
4
5
/
"
3
8
A
5"
Sleeve Length
T*
B*
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