Siemens Building Technology 331-2930 Actuator 328140-751 and Electronic Series 90 control

and Electronic Series 90 control

ensuring a secure fit even in high-vibration applications

this model provides superior precision and higher outlet pressures than standard spring-loaded alternatives

Can this unit replace the obsolete 68J61

Siemens Building Technology 331-2930 Actuator 328140-751 and Electronic Series 90 controlThe Siemens Building Technology 331 2930 Actuator is a heavy duty, metal fabricated No. 4 pneumatic damper actuator designed for reliable control of HVAC systems. This pneumatic piston type actuator features an integral pivot mount and 4 inch stroke, providing the linear force necessary for the gradual or positive actuation of outdoor air dampers, mixing boxes, and fire smoke dampers. With a 3 13 psi spring range, this unit is engineered for precision