ensuring high thermal stability in demanding mechanical rooms

Engineered for technical reliability in boiler return piping

For industrial control and HVACR applications requiring reliable power switching

Rely on this authentic Shipco component for exact system compatibility and long-term operational efficiency in commercial steam and hydronic installations

Universal Compatibility: Field-replaceable for most IP

Siemens Building Technology 331-3012 320788-704 ensuring high thermal stability inThe Siemens 331 3012 is a heavy duty #6 pneumatic damper actuator designed for high torque applications in commercial HVAC systems. This spring return actuator features a 4 inch stroke and a nominal 3 8 psi spring range, making it an ideal choice for the gradual or positive control of large dampers, centrifugal refrigeration inlet vanes, and fire smoke dampers. Built with a rugged, metal fabricated housing and a 17. 9 sq. in. effective diaphragm area,