These checkvalves are designed to fit all Scotty 4060 eductors, controlling the percentage of foam concentrate educted.
The units have four control positions: Off - .5% - 1% and 3%, allowing for eduction of Class A and B (AFFF) foam concentrates.
They can be retrofitted onto Scotty 4060 eductors.
NOTE:
When ordering checkvalves, the flow rate of the eductors must be specified.