or heavy grease

the muffler should be installed in the discharge line as close to the compressor as possible

and zoning applications where accurate airflow regulation is required

and ovens requiring reliable gas flow control

Siemens Building Technology 274-03080 Control Valve Assembly 320788-703 or heavy greaseThe Siemens 274 03080 Control Valve Assembly is a heavy duty solution for precise hydronic flow control in commercial HVAC systems. This 2 way normally closed modulating valve features a 2 inch NPT connection and is engineered with a 40 Cv linear flow characteristic to ensure stable regulation in air handling units and heat exchangers. Designed for seamless integration, the Siemens actuator accepts both 0 10 VDC and 4 20 mA control signals, operating