CORNELIUS UF-1 VALVE PARTS SPOOL 3.0 SYRUP (FLOW CONTROL)
This flow control syrup spool is used to regulate the flow of syrup. It works together with the CO2 pressure set at the regulator for the bag in box syrup pump and the tension set on the spring inside of it, set by the operator/technician.
Often replaced when the outside of it is scratched. Not allowing it to be slid in and out of the sleeve freely.