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maintaining the necessary static pressure for safe furnace venting
activating UV sterilization only when needed
Precision Control: Precision-machined cam design provides the necessary mechanical lift and 50 in-lb torque for accurate valve positioning
It ensures consistent oil flow through the crankshaft to vital bearing surfaces and connecting rods
Suffix matching is critical
Siemens Building Technology S55180-A158 Actuator 321894-709 maintaining the necessary static pressureThe Siemens Building Technology S55180 A158 (Model SSF161. 05U) is a high precision proportional electronic actuator designed for seamless integration with 599 Series zone valves. Engineered for performance in VAV systems, fan coil units, and chilled ceiling applications, this 24Vac dc actuator utilizes a 0 10 Vdc positioning signal to provide linear control with a 1 10 inch (2. 5 mm) stroke. As a non spring return (NSR), fail in place unit, it