Description
Siemens 331-4821 Pneumatic Actuator is an advanced component for HVAC systems that require exact control. To ensures effective temperature control as well as airflow management with accurate air damper modulation. The stroke is 2 3/4″ and the spring range is 8 to 13 Psi. The extended shaft mounting style provides a variety of system configurations and increased operational flexibility, and also provides more flexible installation. The Siemens 331-4821, is durable design that is compact enough for commercial and industrial HVAC applications where space and performance are essential. The elongated shaft allows easy alignment with tight locations or complex configuration, reducing installation and enhancing system performance. This actuator is needed for HVAC systems that need to be regulated exactly in order to maintain air distribution and maximize efficiency.
