To maintain peak system efficiency and correct static pressure

It focuses on the valve plate

Key Benefits: Precision Power Transmission: Minimizes mechanical slip and optimizes airflow for consistent climate control

it provides high-capacity discharge

Universal Compatibility: Designed for 1/4" OD metallic tubing with integral compression ferrule and nut fittings

Siemens Building Technology 331-2988 Actuator 326058-755 To maintain peak system efficiencyThe Siemens 331 2988 No. 6 Pneumatic Damper Actuator is a heavy duty, rolling diaphragm drive engineered for gradual or positive control of large dampers, centrifugal refrigeration inlet vanes, and multi section air handling units. This high temperature pneumatic actuator features an 8 to 13 psi nominal spring range and a 4 inch stroke, providing the mechanical force necessary for large scale HVAC automation. Utilizing an ozone resistant silicone