No. 6 Pneumatic Damper Actuator
with Clevis and Pin
The POWERS Controls No. 6 Pneumatic Damper Actuator is a heavy-duty, rolling
diaphragm, spring return actuator designed to drive large dampers, centrifugal
refrigeration inlet vanes, and other applications requiring a large, effective diaphragm
area and long stroke.
All metal body construction
Replaceable ozone-resistant, silicone rubber, rolling diaphragm
Pivot mounting for extended shaft or frame mounting
Positioning relay (optional)
Adjustable forward travel stops (optional)
Three spring ranges for sequencing with other control devices
See Table 1.
The No. 6 Pneumatic Damper Actuator controls outdoor, return air, exhaust, face and
bypass, and fan discharge dampers. It is recommended for heavy-duty applications
using multi-section dampers where either unison or sequence operation is required.
Certain actuators in Table 1 are UL Recognized Components for
fire/smoke applications under category EMKU2. This category covers
pneumatic damper actuators used on fire dampers and leakage rated
Document No. 155-029P25
December 3, 2004
331-3012 Extended Shaft and Frame
Siemens Building Technologies, Inc.