Sporlan Controls 3909-00 3/4 Inch N/C Solenoid Less Coil

The Sporlan Controls 3909-00 is a 3/4 inch Normally Closed (N/C) solenoid valve sold without the electromagnetic coil. This indicates that the valve is made to prevent fluid flow when de-energized and to open to permit flow when an electrical current passes through a coil that can be purchased separately.This valve regulates the movement of refrigerants and other fluids and is commonly found in HVAC (heating, ventilation, and air conditioning) systems. The internal spring of the valve maintains it closed when the coil is not electrified, which stops fluid flow. When activated, the coil produces a magnetic field, which subsequently triggers the valve to allow fluid passage.In HVAC applications, N/C solenoids provide a number of advantages. Their fail-safe design makes sure that in the event of a power outage, they will immediately close, avoiding unwanted fluid flow and potential system damage.