Siemens Building Technology 331-2976 Actuator 318172-701 eliminating the need for manual

eliminating the need for manual intervention after temporary pressure fluctuations

Can this be used for return air monitoring

This valve is designed for minimal pressure drop

as they represent identical technical specifications

Siemens Building Technology 331-2976 Actuator 318172-701 eliminating the need for manualThe Siemens 331 2976 is a heavy duty No. 4 pneumatic damper actuator engineered for precise control in commercial HVACR systems. Specifically designed for applications requiring a 4 inch stroke and a 5 10 psi spring range, this unit provides the necessary force for the gradual or positive actuation of damper linkages. Its rugged steel housing is finished with a cathodic epoxy electrocoat to resist corrosion, making it a reliable choice for air