Siemens Building Technology GVD321.1U Actuator 318973-401 Standardized Signal: The 4-20 mA

Standardized Signal: The 4-20 mA current loop provides excellent noise immunity for long cable runs in mechanical rooms

What is the best placement for this duct sensor

provided the excess tubing is coiled carefully to avoid kinking

This Siemens 599-10321 ball valve features a 1/4-turn rotary control mechanism and a blow-out proof stem to maintain ANSI Class IV leakage standards even at a 200 psi close-off pressure

Siemens Building Technology GVD321.1U Actuator 318973-401 Standardized Signal: The 4-20 mAThe 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