Siemens Building Technology 147-2000 Pneumatic Positioning Relay
The Siemens Building Technology 147-2000 Pneumatic Positioning Relay is a precision control device designed to regulate air pressure signals in pneumatic HVAC systems. It converts input control signals into proportional output pressure to accurately position actuators, dampers, and valves. Commonly used in air handling units, VAV systems, and building automation controls, this relay improves response time, enhances positioning accuracy, and ensures stable airflow and temperature regulation.