OEM Precision: Guaranteed bore size for accurate refrigerant flow control

What is the thread size for the air connection

The A150 is the direct OEM replacement for the discontinued 9447 motor

resulting in improper airflow regulation and compromised static pressure

the unit maintains operational efficiency even in high-ambient environments

Siemens Building Technology 331-2856 Actuator 322057-301 OEM Precision: Guaranteed bore sizeThe Siemens 331 2856 is a heavy duty Powers Controls No. 6 pneumatic actuator designed for reliable linear control of large dampers, centrifugal refrigeration inlet vanes, and multi section ventilation systems. This pneumatic damper actuator features a rugged, all metal body construction to withstand demanding mechanical environments. It operates on a nominal 8 13 psi spring range, providing the high torque performance required for outdoor air,