30 mm sizing for accurate fuel-to-air ratios

Is the ZR61K3E-TFD-930 a direct swap for the older ZR61K3-TFD-930

and industrial heating processes

and coupling components required for the specified valve sizes

Siemens Building Technology GVD321.1U Actuator 328140-751 30 mm sizing for accurateThe Siemens Building Technology GVD321. 1U Actuator is a high torque, electronic solution purpose built for 2 position control in UL listed fire and smoke damper applications. Engineered for the rigors of life safety systems, this 230V spring return actuator delivers a robust 200 lb in of torque, ensuring positive closure and opening of high resistance dampers in commercial HVAC environments. Operating with a 30 second nominal drive time and a 15