Description
The Bard HVAC 5651-210BX Expansion Valve is a thermostatic metering unit that regulates the flow of liquid refrigerant into the evaporator coil according to system demand. It adjusts continuously in response to temperature and pressure variations to maintain proper superheat and stable coil operation. In HVAC systems, it is used in packaged and wall-mounted units to ensure accurate distribution within the cooling circuit, supporting efficient heat exchange and steady performance during changing load conditions. It is used in commercial and institutional air conditioning equipment where precise flow control is required for dependable and consistent operation.
