SIEMENS
SIEMENS 331-4811 Building Technologies 3314811 Damper Actuator Pneumatic Number 3 2 3/8" Stroke 8 to 13 psi
The Siemens 331-4811 Damper Actuator Pneumatic is a 3 2 3/8" stroke 8 to 13 psi actuator. It is used to control the air pressure in a damper.
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