6 Cv rating and an equal percentage flow characteristic

Precise Tuning: Features a 100 to 470 PSIG adjustable range and a wide 35 to 200 PSI differential for optimized cycling

preventing accidental fluid discharge

and integrated boiler control systems

Siemens Building Technology 331-3002 Kit R-448A 6 Cv rating and anThe Siemens Building Technology 331 3002 Kit features the No. 4 Pneumatic Damper Actuator, a rugged, metal fabricated powerhouse engineered for precision air flow control in commercial HVAC systems. This piston type pneumatic actuator is designed for the gradual or positive actuation of HVAC dampers and fire smoke dampers, offering a consistent 4 inch stroke. Operating within a 5 10 psi spring range, it provides the necessary force for reliable mixing